ISC Practical 2027: College Enrolment Code Validator and Stream Report – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 question: validate college enrolment codes made of a stream, year and serial number, give the exact reason for each rejection, auto-correct lowercase streams and prepare a stream-wise report.
ISC Practical 2027: Digital Lock Security Code Analyzer – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 number-logic question: for a 5 to 10 digit security code, find the first and last digits, odd and even position sums, product of non-zero digits, digit frequency and classify the code as STRONG, MODERATE or WEAK.
String Methods in Java for ICSE Class 10: 25 Output Questions with Answers
ICSE Class 10 Computer Applications practice on String class methods: length, charAt, indexOf, lastIndexOf, substring, replace, trim, compareTo, equals and more, with 25 board-style output questions and step-by-step answers.
Special Number Programs in Java for ICSE: Armstrong, Spy, Neon, Disarium, Pronic and More
Every special number asked in ICSE Computer Applications – prime, perfect, Armstrong, palindrome, automorphic, neon, spy, Niven, duck, buzz, Disarium, special and pronic numbers – with definitions, examples and one complete Java program that checks them all.
Boolean Algebra for ISC Class 12: Laws, Canonical SOP and POS, and Simplification
ISC Class 12 Computer Science notes on Boolean algebra: all the laws and theorems, duality, De Morgan's laws, minterms and maxterms, converting to canonical SOP and POS, and step-by-step algebraic simplification with solved examples.
String Handling in Java for ISC Class 11: Methods, StringTokenizer and Programs
ISC Class 11 Computer Science notes on string handling in Java: the String methods you must know, string immutability, comparing strings, splitting a sentence into words with split() and StringTokenizer, and solved sentence programs.
Math Library Methods in Java for ICSE Class 9 (with Outputs)
ICSE Class 9 Computer Applications notes on the Java Math class: sqrt, cbrt, pow, abs, max, min, ceil, floor, round, rint and random, with return types, tricky negative-number outputs and Java expressions for formulas.
Loops in Java for ICSE Class 9: for, while, do-while and Nested Loops
ICSE Class 9 Computer Applications notes on loops in Java: for, while and do-while loops, entry vs exit control, break and continue, nested loops and pattern programs, with dry runs, output questions and solved programs.
Number Systems for ISC Class 11: Conversions, Binary Arithmetic and 2's Complement
ISC Class 11 Computer Science notes on number systems: converting between decimal, binary, octal and hexadecimal (including fractions), binary addition and subtraction, and 1's and 2's complement, with worked examples.
Conditional Statements in Java: ICSE Class 9 Notes on if, if-else and switch
ICSE Class 9 Computer Applications notes on conditional statements in Java: if, if-else, if-else-if ladder, nested if, the ternary operator and switch-case with fall-through, with solved programs and output questions.
Constructors in Java: ICSE Class 10 Notes with Types, Overloading and Programs
ICSE Class 10 Computer Applications notes on constructors: what a constructor is, default and parameterised constructors, constructor overloading, the this keyword, differences from methods, and solved programs.
ICSE Class 10 Arrays: Linear Search, Binary Search, Bubble Sort and Selection Sort
Complete ICSE Class 10 Computer Applications notes on arrays: declaring and initialising arrays, linear and binary search, bubble sort and selection sort, with dry runs, solved Java programs and exam tips.
ISC Practical 2027: River Basin Rainfall and Flood Warning – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 question: validate a basin code (RB followed by 4 digits), find the digit sum of the basin number and analyse N days of rainfall to decide whether to raise a flood warning.
ISC Practical 2027: Phishing Message Detector and Encryption – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 string question: validate a sentence, extract words, count phishing keywords, classify the message as SAFE, SUSPICIOUS or PHISHING ALERT and encrypt it by reversing the keywords.
7 ISC Practical Programs with Solutions: Circular Prime, Prime-Adam and More
Seven ISC Computer Science practical exam programs with Java solutions: circular prime, consecutive number combinations, Prime-Adam numbers, two matrix programs and two sentence-processing programs. Free PDF with a step-by-step dry run.
ISC Class 12 Computer Science MCQ Practice Tests (Boolean Algebra & Java)
Five ISC Class 12 Computer Science MCQ practice tests on Boolean algebra, propositional logic, hardware, K-maps, array address calculation and Java output questions, two of them with answer keys. Free PDF download with solved examples.
ISC Class 12 Computer Science Pre-board Papers (70 Marks)
Two ISC Class 12 Computer Science pre-board papers of 70 marks: an objective paper on Boolean algebra, propositional logic and K-maps, and a full three-hour theory paper with Parts I and II. Free PDF download with worked Boolean algebra examples.
ICSE Class 10 Computer Applications Model Papers with Java Programs
Two ICSE Class 10 Computer Applications model examination papers with Java programming questions on wrapper classes, arrays, searching, sorting and strings, plus a programming class test with a solved example. Free PDF download.
7 ICSE Class 10 Computer Applications MCQ Model Papers (Free PDF)
Seven ICSE Class 10 Computer Applications model papers and practice tests in MCQ format, covering Java basics, operators, loops, strings, arrays, constructors and output questions, plus a fill-in-the-blanks program test. Free PDF downloads with worked examples.
ICSE Class 10 Computer Applications Pre-board Papers 1 and 2 (MCQ)
Two full ICSE Class 10 Computer Applications pre-board papers (50 marks, MCQ format) prepared by Trushna Tejwani, with worked examples on data types, loops, type casting, operators and constructors. Free PDF download.
ICSE Class 10 MCQs on User-Defined Methods and Constructors (with Answers)
Two printable ICSE Class 10 Computer Applications MCQ worksheets on user-defined methods (functions) and constructors in Java, with answers, worked examples and the key rules you must remember for the board exam.
ISC Practical 2027: Delivery Zone Orders (2-D Array) – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 question on a 2-D array of delivery orders: find the zone with the highest total, the above-average days and the days with an increase. Includes the correct output for CISCE’s Example 1, which has errors in the sample.
10 Most Important String Programs for ICSE Class 10 (Solved with Output)
The 10 string programs that appear most often in ICSE Class 10 Computer Applications exams: palindrome, vowel count, word reversal, piglatin, character frequency and more, each fully solved in Java with sample output.
ISC Practical 2027: Player Tag Analyzer (Teams and Top Scorer) – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 question: validate player tags of the form NAME-NUMBER, pair players into teams with the same 3-digit number and find the top scorer. Algorithm, documented Java program, verified outputs and exam tips.
ISC Practical 2027: Account Number Checksum Verifier – Algorithm and Java Program
Fully solved ISC Computer Science Practical 2027 question: validate a 10-digit account number, apply the double-every-second-digit checksum and find the digital root. Includes the algorithm, a documented Java program, verified outputs and exam tips.
ICSE Class 10 Computer Applications Evaluation II Sample Paper 2026-27 with Solutions
A full ICSE Class 10 Computer Applications Evaluation II paper for 2026-27 on methods, constructors, wrapper classes, strings and loops, with a checked answer key, output working and six solved Java programs.
ICSE Class 9 Computer Applications Evaluation II Sample Paper 2026-27 with Solutions
A full ICSE Class 9 Computer Applications Evaluation II paper for 2026-27 on OOP basics, tokens, data types, operators, the Math class and Scanner input, with a checked answer key, step-by-step working and solved Java programs.
ISC Class 11 Computer Science Evaluation II Sample Paper 2026-27 with Solutions
A full ISC Class 11 Computer Science Evaluation II paper for 2026-27 on Boolean algebra, propositional logic, number systems, the full adder, Java class design and Python, with a checked answer key and complete solutions.
ISC Class 12 Computer Science Evaluation II Sample Paper 2026-27 with Solutions
A full ISC Class 12 Computer Science Evaluation II theory paper for 2026-27 on Boolean algebra, K-maps, encoders, recursion, deque, linked list and binary trees, with a checked answer key, logic diagrams and solved Java programs.
ISC Class 11 Computer Science Notes: Propositional Logic and Truth Tables
Complete ISC Class 11 Computer Science notes on propositional logic: propositions, logical connectives, truth tables, tautology, contradiction, converse, inverse and contrapositive, and the laws of logic, with solved examples.
ICSE Class 9 Computer Applications Notes: Values, Data Types and Operators in Java
Easy-to-revise ICSE Class 9 Computer Applications notes on Java tokens, primitive data types, type conversion, and arithmetic, relational, logical, increment and ternary operators, with solved output questions and practice exercises.
ISC Class 12 Computer Science Sample Paper 2027 (Theory) with Solutions
A full 70-mark ISC Class 12 Computer Science theory sample paper for 2027 in the latest CISCE format: MCQs, Boolean algebra, K-maps, Java classes, recursion, inheritance, stacks, linked lists and binary trees, with complete step-by-step solutions.
ICSE Class 10 Computer Applications Sample Paper 2027 with Solutions
A full-length ICSE Class 10 Computer Applications sample paper for the 2027 board exam in the latest CISCE format: 20 MCQs, 10 short-answer questions and 6 Java programs, followed by complete solutions with explanations and solved BlueJ programs.
ICSE computer applications sample paper
ICSE computer applications sample paper (Set 3): ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
ICSE computer applications sample paper
ICSE computer applications sample paper (Set 2): ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
ICSE computer applications sample paper
ICSE computer applications sample paper: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
ICSE computer applications 2021 question paper with answer key
ICSE computer applications 2021 question paper with answer key: easy ICSE Class 10 Computer Applications notes with Java examples for students.
ISC MCQ computer science sample papers free download
ISC MCQ computer science sample papers free download: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
ICSE MCQ Computer sample paper Free download
ICSE MCQ Computer sample paper Free download: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
ISC MCQ
ISC MCQ: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.
ISC MCQ Boolean algebra
ISC MCQ Boolean algebra: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.
ISC MCQ Computer Science- 3 marks questions
ISC MCQ Computer Science- 3 marks questions: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.
ISC specimen paper for semester I (MCQ) computer science
ISC specimen paper for semester I (MCQ) computer science: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
MCQ for ICSE computer application part 5
MCQ for ICSE computer application part 5: ICSE Class 10 Computer Applications practice test with important questions to revise before the computer exam.
ICSE MCQ Specimen paper semester I computer application
ICSE MCQ Specimen paper semester I computer application: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
MCQ for ICSE computer application part 4
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MCQ for ICSE computer application part 3
MCQ for ICSE computer application part 3: ICSE Class 10 Computer Applications practice test with important questions to revise before the computer exam.
MCQ for ISC computer science
MCQ for ISC computer science: easy ISC Class 12 Computer Science notes with Java examples for students.
MCQ for ICSE computer application java
MCQ for ICSE computer application Java: easy ICSE Class 10 Computer Applications notes with Java examples for students.
Series programs 3
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Series programs part 2
Write a program to print the following series.
ICSE class IX computer practice test 7
ICSE Class 9 computer practice test 7: ICSE Class 9 Computer Applications practice test with important questions to revise before the computer exam.
ISC 2020 solved program (Object passing as an argument)
ISC 2020 solved program (Object passing as…: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
ISC 2012 Object passing program
A class Combine contains an array of integers which combines two arrays into a single array including the duplicate elements, if any, and sorts the combined array. Some of the members of the class are given below:
Array address Calculation Single and double dimensional array
Single dimensional arrayAddress=B+W (I-L) B=base addressW=size of the elementI=index of the element whose address is to be calculatedL=Lower boundary of the array
Programs for beginners class IX
Write a menu driven program using switch case statement that outputs the results of the following evaluation based on the number entered by the user
Java programs for beginners
A computer salesman gets commission on the following basis:Sales Commission RateRs. 0 - 20,000 3%Rs. 20,000 - 50,000 12%Rs. 50,001 and more 31%Write a program to accept the sales as input, calculate and print his
Binary search with Recursion
Binary search with Recursion: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
ICSE practical sample paper
Design a menu driven program, that accepts an integer and displays the following menu :
Java Programs for beginners
Write a program to, compute the railway fare depending on the criteria as given
ICSE practical sample paper 7
Input a number to check for palindrome number or Armstrong number. Design a program to create a class special having two functions, one as palin(int a) another as Armstrong(int b)
Fascinating Number program Solved ISC practical 2021 Question 1
Fascinating Number program Solved ISC…: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
Solved ISC practical 2021 Question 3
Solved ISC practical 2021 Question 3: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
ISC computer practical paper 2021
ISC computer practical paper 2021: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.
ISC class XI sample paper 2021
Answer all questions in Part I (compulsory) and six questions from Part-II, choosing two questions from Section-A, two from Section-B and two from Section-C.All working, including rough work, should be done on the same sheet as the rest of the answer.The intended marks for questions or parts of ques
ICSE sample paper class 9
Section A (40 marks) compulsory questions
ISC sample paper 2021
ISC sample paper 2021: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
ICSE sample paper 2021 computer applications
ICSE sample paper 2021 computer applications (Set 2): ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
Saddle point program
Write a program in Java to input the size of a square matrix from the user. Then allow the user to fill the matrix with integers. Now do the following:
ICSE sample paper 2021 Computer applications
This paper is divided into two sections. You are to answer all the questions from section A, and any four from section B.
Circular shift program
Circular shiftA class Circular has been signed to print a set of elements in a circular fashion. For example, if input is 1, 2,3,4 output should be:1,2,3,44,1,2,33,4,1,22,3,4,1Class name: CircularShiftData members/ instance variables:list[ ]: store the elementssize: to store the number of elements
ISC computer practical 2019 solved Question 2
Write a program to declare a single dimensional array al ] and a square matrix b[ ] ofsize N. where >2 and N<10. Allow the user to input positive integers into the single dimensional array Perform the following tasks on the matrix:(a) Sort the elements of the single dimensional array in ascending or
Initials of string : Recursive Program
A class Initials Print has been defined to print the initials of the name. Some of the members of the class are given below:Class name : InitialsPrintData members/instance variables:String initials : to store the initials of the nameMember functions:initialsPrint(): constructor to assign blank to in
ISC 2020 program: Convert day number to date
isc 2020 program Design a class Convert to find the date and the month from a given day number for a particular year. Example: If day number is 64 and the year is 2020, then the corresponding date would be: March 4, 2020 i.e. (31 + 29 + 4 = 64).Some of the members of the class are given below:
ISC practice test class XI: Best questions
ISC practice test Class 11: ISC Class 11 Computer Science practice test with important questions to revise before the computer exam.
Words that start and end with a vowel program: ISC 2016 program
Write a program to accept a sentence which may be terminated by either’.’, ‘?’or’!’ only. The words may be separated by more than one blank space and are in UPPER CASE.
ISC practice test for class XI: Best questions
ISC practice test for Class 11: ISC Class 11 Computer Science practice test with important questions to revise before the computer exam.
ICSE practice paper for class 9
ICSE practice paper for Class 9: ICSE Class 9 Computer Applications practice test with important questions to revise before the computer exam.
An easy Bouncy Number in java
In an increasing integer the first digit will be smaller than rest of the digits. For example, 1234 and 14779 are both increasing integers. In an decreasing integer the first digit will be bigger than rest of the digits. For example, 4321 and 9731 are both decreasing integers.
ICSE sample paper 2021 Free
ICSE sample paper 2021 Free: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
Circular Prime number : An easy ISC practical 2016
A number is said to be prime if it has only two factors I and itself.Example:131311113Hence, 131 is a circular prime.Test your program with the sample data and some random data:
Magic number program
Magic number program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
Smith Number: simple & Easy
Smith Number: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
Queue : An easy Data Structure in java
Queue: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
Free ISC JAVA sample paper for class XII 2021
Free ISC Java sample paper for Class 12 2021: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
Highly Effective Data Structure : Stack
Data Structure: Stack: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
Free ICSE sample paper 2021
Free ICSE sample paper 2021 (Set 2): ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
Rotate a Matrix by 90 degree
Rotate a Matrix by 90 degree: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
ICSE sample paper 2021 for class X JAVA
ICSE sample paper 2021 for Class 10 Java: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
An authentic Adam Number program
Adam Number program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
Free ICSE JAVA sample paper for class IX
Free ICSE Java sample paper for Class 9: ICSE Class 9 Computer Applications sample paper with important questions for computer exam practice.
ISC 2018 Practical: Gold Bach Number Program
A Gold Bach number is a positive even integer that can be expressed as the sum of two odd primes.Note: All even integer numbers greater than 4 are Gold Bach numbers.Example:6 = 3 + 310 = 3 + 710 = 5 + 5Hence, 6 has one odd prime pair 3 and 3. Similarly, 10 has two odd prime pairs, i.e. 3, 7 and 5, 5
ICSE sample paper 2021: Free download
ICSE sample paper 2021 (Set 2): ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
Free ISC sample paper 2021
Free ISC sample paper 2021 (Set 3): ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
Free ICSE sample paper 2021
Free ICSE sample paper 2021: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
Free ISC sample paper 2021
Free ISC sample paper 2021 (Set 2): ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
Free ISC JAVA sample paper for class XI
Free ISC Java sample paper for Class 11: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.
Sum of the digits: An intriguing Recursion program
Sum of the digits: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
A Strong MatRev program ISC 2019 Object passing
Design a class MatRev to reverse each element of a matrix. Example:
Free ISC sample paper 2021
Free ISC sample paper 2021: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
A Wonderful Hourglass Program
Hourglass Program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
A Sensational Circular Matrix program
Circular Matrix program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
ISC class XI practice test 1: Interesting way to learn
ISC class XI practice testPart I (20 marks)Q 1. Perform the following conversions (Step by step working has to be written in the answer paper)
A beautiful ICSE class X practice Test
ICSE Class 10 practice Test: ICSE Class 10 Computer Applications practice test with important questions to revise before the computer exam.
ICSE class ix computer practice test 6
This practice paper contains the basic concepts of java like features of java, OOPs concepts, Java compilation, object and class.
Object Oriented Programming: Unleashed
Object Oriented Programming: easy ICSE Class 9 Computer Science notes with Java examples for students.
Number Conversions : Important for ISC Class XI
Number Conversions: Important for ISC Class 11: easy ISC Class 11 Computer Science notes with Java examples for students.
A complete program: Delete an element from an array
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A Brilliant Program: Insert an element into an array
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An Awesome program: Common elements in two arrays
Program: Common elements in two arrays: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
A priceless Frequency of element in an array program
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A superb Pendulum array program
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Interesting Merge two array program
Merge two array program: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
Astonishing Insertion sort in an array
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Operators in JAVA: Learn in an easy way
Operators in Java: solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
A beautiful Pythagorean Triple Program
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A delightful Automorphic number
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A dazzling Armstrong Number Program
Armstrong Number Program: solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
An Efficient Kaprekar Number
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ICSE sample paper class 9 Computer: Top questions for free
ICSE sample paper Class 9 Computer (Set 4): ICSE Class 9 Computer Applications sample paper with important questions for computer exam practice.
ICSE sample paper class 9 Computer: Top questions for free
ICSE sample paper Class 9 Computer (Set 3): ICSE Class 9 Computer Applications sample paper with important questions for computer exam practice.
An easy Pronic Number Program
Pronic Number Program: solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
ICSE sample paper class 9 Computer: Top questions for free
ICSE sample paper Class 9 Computer (Set 2): ICSE Class 9 Computer Applications sample paper with important questions for computer exam practice.
ICSE class ix computer practice test 4
ICSE Class 9 computer practice test 4: ICSE Class 9 Computer Applications practice test with important questions to revise before the computer exam.
ICSE class ix computer practice test 3
ICSE Class 9 computer practice test 3: ICSE Class 9 Computer Applications practice test with important questions to revise before the computer exam.
ICSE class IX computer practice Test 2: Top Questions for free
Question 1 A cloth showroom has announced the following festival discounts on the purchase of items, based on the total cost of items purchased
Practice Test 1 class IX
Practice Test 1 Class 9: ICSE Class 9 Computer Applications practice test with important questions to revise before the computer exam.
An Effortless program Special Number
Write a program to accept a number and print whether it is a special number or not.
A basic Keith Number Program
For example M = 197 is a keith number because, 197 has 3 digits, so n = 3 The number(197)appears in the special sequence that has first three terms as 1, 9, 7 and remaining terms evaluated using sum of previous 3 terms. 1, 9, 7, 17, 33, 57, 107, 197, …..
A simple program to use variable & Datatype
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Factorial of a number :Unleashed
For factorial of a number recursive program click the given link.
Fibonacci Series Program
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Factorial of a number (Recursive Function)
To learn more about how to make a program in java watch this video https://youtu.be/TRm9r4gFTho
An easy Program: Transpose of a Matrix
To learn about how to take input in java watch the given video. https://youtu.be/QZKcULOC4lg
Data input using scanner class
Data input using scanner class: easy ICSE Class 9 Computer Applications notes with Java examples for students.
Basic Java Definitions part 2
Compiler :A software which converts high level language code in to machine level language(binary code). It complies the instructions at once and lists all the errors.
A Simple program: Sum of Boundary elements of a Matrix
Write a program to accept a matrix of any size from the user an print the sum of the boundary elements of the matrix.
A super Anticlockwise Circular Matrix program
Anticlockwise Circular Matrix program: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
An excellent String program to count words start and end with a vowel
String program to count words start and end…: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
An essential Julian Day Program
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Count palindrome words in a sentence: Best program
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Interesting Data input using Buffered Reader
Learn how to take input in Java using the BufferedReader class: reading strings, integers, decimals and characters, handling IOException, and how BufferedReader compares with the Scanner class, with solved programs for ICSE Class 9.
An Excellent ISBN Number program ISC practical 2013 [Question 1]
ISBN Number program ISC practical 2013…: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.
A deadly Duck Number
watch java videos here https://www.youtube.com/user/trushnatej
Your First Java Project in BlueJ: Create, Compile and Run a Program
Create your first Java program in BlueJ step by step: make a project, add a class, write and compile the code, run main(), and create an object from the class – the essential first lesson for ICSE Class 9 Computer Applications.
How to Install BlueJ for Java (Step-by-Step Guide for ICSE Students)
A step-by-step guide to downloading and installing BlueJ, the Java IDE used for ICSE Computer Applications and ISC Computer Science, on Windows and Mac, with a quick check that everything works and fixes for common problems.
Important Definitions in java
Program: A set of instructions given to the computer for performing a particular task is called a program.
An effortless Bubble Sort & Binary Search
Check other java programs https://wordpress-343193-1101484.cloudwaysapps.com/count-no-of-palindrome-words-in-a-sentence(opens in a new tab)
Array in JAVA
Array is a data structure. It is used to store many values of the same primitive data type or objects.Arrays are used to store multiple values in a single variable, it saves the programmer from declaring separate variables for the values of same data type. Array is a reference data type or user defi
String Program(Convert to palindrome words)
Write a program to accept a sentence and convert all the words in to palindrome words,the words that are already palindrome will remain same. Palindrome words are spelled same from both sides. Mom, dad, Malayalam are few examples of palindrome words.
Recursion
Recursion is a programming technique where a function calls itself again and again.Base case: Every recursive function uses a condition to terminate. It is known as base case. As soon as the condition for base case is true the control terminates the function otherwise, it keeps calling the function
A Sneak peek into : Basics of Programming
Basics of programming : Programs are the block of codes or set of instructions that is given to the computer to perform a particular task. Programming is the process of writing a computer program. Programming language is a set of commands and syntax used to create a computer program. A Programmer
Wrapper classes in JAVA
Wrapper class is a feature in java that enables a data type to be converted in to an object of a class.This gives the programmer to use a lot of functionalities available in these wrapper classes and make java actually an object oriented programming language. Wrapper class is also helpful to have fu
Exception handling in java
Exception handling:- Exception is an abnormal condition that occurs in a program at runtime. Generally it terminates the program. Few conditions that raises an exception are divide by zero, file not found, number format exception, array out of bound exception
String handling in JAVA
String handling in java:- A string is a data type used to represent text. It is a set of characters enclosed within double quotes. In java String is a class. There are many functions in this class to provide features that helps in string handling. Here is the list of all functions with their return
Conditional Constructs in JAVA
if condition, if...else, if...elseif, if...elseif ladder, switch ...case
Double Dimensional Array(Matrix) Program I (Maximum minimum element, sum, average)
Double Dimensional Array(Matrix) Program I…: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.
String Programs part 5
String Programs part 5: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
String programs part 4
Write a program to input a sentence and print the frequency of the double occurrence characters.
Astonishing Java String Programs part-III
Java String Programs part-III: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
An Exclusive Data Input methods in JAVA
Hard Coded Values:- The values are stored in a variable and used later.
Boolean Algebra for ISC: Learn Effectively
Minterm Minterm is a product of all the literals (in either complement or without complement form). Example if we have two boolean variables X and Y then X.(~Y) is a minterm. we can express complement ~Y as Y’ so, the above minterm can be expressed as XY’ So, if we have two variables then th
Lottery Program
The lottery program involves generating random numbers, comparing digits, and using Boolean operators. Suppose you want to develop a program to play lottery. The program randomly generates a lottery of a two-digit number, prompts the user to enter a two-digit number, and determines whether the user
Interface program
Write a java program to find the details of the students eligible to enroll for the examination ( Students, Department combinedly give the eligibility criteria for the enrollement class) using interfaces.
MCQ result program
Write a program that will grade multiple-choice tests. Assume there are eight students and ten questions, and the answers are stored in a two dimensional array. Each row records a student’s answers to the questions, as shown in the following array. Students’ Answers to the Questions: 0 1 2 3 4 5 6 7
Sudoku in java
Write a program to check whether a given Sudoku solution is correct or not .
Unbelievable : Loops in java (for, while, do...while)
Loops in Java (for, while, do...while): easy ICSE Class 9 Computer Applications notes with Java examples for students.
Inheritance Abstract class program
Write a java program that implements educational hierarchy using inheritance. In this program abstract class is used. An abstract class can't be instantiated(you can't create an object of these classes). An abstract class is a class which has at least one abstract method. An abstract method can't ha
Robot(Inheritance of interfaces): an easy program
Create an abstract class Robot that has the concretre subclasses ,RobotA, RobotB, RobotC. Class RobotA1 extends RobotA, RobotB1 extends RobotB and RobotC1 extends RobotC. There is interface Motion that declares 3 methods forward(), reverse() and stop(), implemented by RobotB and RobotC. Sound interf
Interface program: An Exquisite program
Interface Luminious Object has two method lightOn() and lightOff(). There is one class Solid extended by 2 classes Cube and Cone. There is one class LuminiousCone extends Cone and implements Luminoius Interface. LumminuiousCube extends Cube and implements Luminious Interface. Create a object of Lumi
Inheritance of Interface: An upbeat program
Interface P is extended by P1 and P2 interfaces. Interface P12 extends both P1 and P2.Each interface declares one method and one constant.
Method Overloading
Method overloading is a feature of java in which one class can have more than one method with the same name but different parameter list(either data type or the number of arguments should be different). * If only return type is different then it can't be considered as function overloading. It can be
Abstract class program
Write a java program to create an abstract class named Shape that contains two integers and an empty method named printArea(). Provide three classes named Rectangle, Triangle and Circle such that each one of the classes extends the class Shape. Each one of the classes contain only the method printAr
Java Project ATM Machine
java project atm machineUse the Account class created to simulate an ATM machine. Create 10 accounts with id AC001…..AC010 with initial balance 300₹. The system prompts the users to enter an id. If the id is entered incorrectly, ask the user to enter a correct id. Once an id is accepted, display me
Two strings having same sub string Program
string prrogram to find the substring from strings from the two given strings. if two consecutive letters are same they'll displayed. and the count will print.
An Easy Actual and formal parameters in java
For exampleIn the code given below the concept of actual and formal parameter is used.
Methods/ Functions
Definition of method:- These are also known as functions, procedures, modules, subroutines,sub programs. In simple words it is a collection of statements which are going to perform a particular task. They don't do anything until they are called(executed). They can be used(called)as many number of ti
Constructor
It is a function that has same name as the class name. It can't have any return type , not even void. It is implicitly called whenever an object of a class is called. It is used to initialize the data members of the class
Revision for class X students Array
ICSE computer application revision class x 2020
ISC COMPUTER SCIENCE PAPER 1 2020 : The best way to revise
ISC Computer Science Paper 1 2020: previous year ISC Class 12 Computer Science board paper for computer exam revision.
Revision for class X students
Icse computer application revision classe x 2020
Revision for class X students
After solving all the number programs you can start solving all the patterns given here. Patterns are asked almost every year in the icse computer application paper for 7 or 8 or 15 marks(for 15 marks two patterns can be asked)
Revision for class X students
In class X ICSE computer application paper 60 marks weightage is allocated to programs.
Sum of left diagonal and right diagonal
Write a program to accept a two dimensional array(Square matrix) and calculate the sum of left and right diagonals.
Happy Number
Write a program to accept a number and check whether it is a happy number or not.
Twin Prime
Write a program to accept two numbers from the user and print whether they are twin prime number or not. A twin prime is a pair of two numbers that are both prime and their difference is two.
Frequency of letters
Write a program to accept a string and print the frequency of letters in the given format.
ICSE sample paper class 9 Computer: Top questions for free
ICSE sample paper Class 9 Computer: ICSE Class 9 Computer Applications sample paper with important questions for computer exam practice.
ISC COMPUTER PRACTICAL PAPER 2020
ISC Computer Practical Paper 2020: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.
Data types in JAVA
Data types in Java: easy ICSE Class 10 Computer Science notes with Java examples for students.
Niven and perfect number Solved program
Input a number to check for compositenumber or Niven number. Design a program to create a class perfect having two functions, one as composite(int a) another as Niven(int b)[A composite number has more than two factors]
ISC sample paper 9
ISC sample paper 9: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
A gripping String Bubble sort array program in java
String Bubble sort array program in Java: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
Armstrong Number with Recursion
Write a program to find the given number is Armstrong number or not with the help of a recursive function.
Disarium number Solved program
Disarium number Solved program: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
ICSE computer practical sample paper 6
ICSE computer practical sample paper 6: ICSE Class 10 Computer Applications practical paper with Java programming questions and solutions.
Loss percentage calculation program
Write a program to input cost price and selling price and calculate the loss percentage and print.
Calculate the Net bill program
Write a program to accept the total cost from the user. Calculate the discount and Net bill according the given rates. Print the details of the user.
Calculate the courier charges
Write a program to accept the weight of the parcel and calculate the bill according the given price slabs.
ICSE computer practical sample paper 5
Sample Input (1) : London, Sample Output (1) : ONDONLAY
Binary Search
Write a program to search an element from the array using binary search technique.
ICSE computer practical sample paper 4
A perfect numbers sum of factors is equal to the number. ]
ICSE practical sample paper 3
ICSE practical sample paper 3: ICSE Class 10 Computer Applications practical paper with Java programming questions and solutions.
ICSE sample paper 11: Top questions for free
This paper is divided into two sections. You are to answer all the questions from section A, and any four from section B. Section A(40 marks)Q 1 . [5X2=10]
Electricity Bill program
Write a program to input the number of units consumed. Calculate the Electricity bill according the given rates.
Series part 1
Series part 1: solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
Swapping numbers program
Write a program to swap two numbers using a temporary variable.
ISC class XI sample paper 5
ISC Class 11 sample paper 5: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.
Evil number
Write a program to check whether the given number is Evil Number or not in Java A number is said to be an Evil number if and only if the binary equivalent of the number is having an even number of 1’s. The entered number must be a whole number.
ISC Practical sample paper 3: The best way to learn
ISC practical sample paperThe total time to be spent on the Planning session and Examination session is Three hours. Planning session: 90minutes Examination session: 90 minutes Note: Candidates are to bepermitted to proceed to the Examination Session only after the 90 minutes of the Planning Session
Pattern programs in java part 4(Strings): learning made easy
Pattern programs in Java part 4(Strings): solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
Wondrous square program: ISC practical 2005 program
17 24 1 8 15
ISC class XI practice paper 3
Q 1. The National college of Journalism is offering courses in three different categories of journalism, which are the print, the web and the broadcasting media.
ICSE computer practical sample paper 2
ICSE computer practical sample paper 2: ICSE Class 10 Computer Applications practical paper with Java programming questions and solutions.
Unique number program
A unique-digit integer is a positive integer (without leading zeros) with no duplicate digits. For example 7, 135, 214 are all unique-digit integers whereas 33, 3121, 300 are not.
Solved Programs (class 9-Beginner Level)
Solved Programs (Class 9-Beginner Level): solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
ISC sample paper class xi: Important questions
ISC sample paper Class 11 (Set 2): ISC Class 11 Computer Science sample paper with important questions for computer exam practice.
ISC Practical sample paper 2 : The best way to learn
The total time to be spent on the Planning session and Examination session is Three hours. Planning session: 90 minutes Examination session: 90 minutes Note: Candidates are to be permitted to proceed to the Examination Session only after the 90 minutes of the Planning Session are over.
Pattern programs in java part 3: Learning made easy
Pattern programs in Java part 3: solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
ISC practical sample paper 1 for class XI : The best way to learn
isc practical sample paperThe total time to be spent on the Planning and the Examination Session is Three hours.
Pattern programs in java part 2 : Learning made easy
Pattern programs in Java part 2: solved Java program for ICSE Class 9 Computer Applications with complete BlueJ code, explanation and sample output.
Pattern programs in java part 1: Simple loop programs
Pattern programs in Java part 1: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
ISC class XI Practice Test 2: Interesting way to learn
ISC class xi computer science practice test
ISC class XI sample paper 2
ISC Class 11 sample paper 2: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.
ISC class XI sample paper 1
ISC Class 11 sample paper 1: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.
ISC Practical paper 2019
ISC Practical paper 2019: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.
ICSE sample paper 10: Top questions for free
ICSE sample paper This paper is divided into two sections. You are to answer all the questions from section A, and any four from section B. Section A (40 marks) Attempt all questions
An easy Caesar Cipher ISC Practical 2017 Program 3
Write a program to accept a plain text of length L, where L must be greater than 3 and less than 100. Encrypt the text if valid as per the Caesar Cipher. Test your program with the sample data and some random data: Example 1 INPUT : Hello! How are you?OUTPUT: Uryyb? Ubj ner lbh? Example
Basic Important Number programs for ICSE part-5
To learn more java programshttps://wordpress-343193-1101484.cloudwaysapps.com/string-programs-part-5
ICSE computer practical sample paper 1
ICSE computer practical sample paper 1: ICSE Class 10 Computer Applications practical paper with Java programming questions and solutions.
Class & Object in JAVA
To learn java programs https://wordpress-343193-1101484.cloudwaysapps.com/interface-program
ISC sample paper class XI
ISC sample paper Class 11: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.
Free ICSE COMPUTER APPLICATION SAMPLE PAPER 9
Std: X Subject: Computer Max Marks: 100 Section A (40 marks)Q 1. (5x2=10)
ISC COMPUTER SCIENCE SAMPLE PAPER 8
Standard: XII Subject: Computer
ICSE COMPUTER SAMPLE PAPER 9: Top questions for free
This paper is divided into two sections. You are to answer all the questions from section A, and any three from section B.
A resourceful ISC computer science paper-1(theory-2019)
ISC computer science paper-1(theory-2019): previous year ISC Class 12 Computer Science board paper for computer exam revision.
ICSE sample paper 8 computer applications: Top questions for free
Icse sample paper This paper is divided into two sections. You are to answer all the questions from section A, and any four from section B.Section A (40 marks)Q 1.a. Name any four tokens of Java.b. Give the difference between actual parameter and formal parameter.c. W
A masterful ICSE computer application tutorial part-2 (Tokens in java)
for more java programshttps://wordpress-343193-1101484.cloudwaysapps.com/array
OOPS concept : ICSE Computer Application Tutorial part-1 Learning made easy
JAVA is an object oriented language. It has four main object oriented concepts. They are as follows.
An inspiring Array Program
To learn more array programshttps://wordpress-343193-1101484.cloudwaysapps.com/sum-of-boundary-elements-of-a-matrix
Beautiful String programs in java part-II
For more programs https://wordpress-343193-1101484.cloudwaysapps.com/https-java4school-com-transpose_of_matrix
Number Programs in java part-4
for more java programs https://wordpress-343193-1101484.cloudwaysapps.com/double-dimensional-arraymatrix-programs-part-i
Intriguing String Programs part-1
for more string programs https://wordpress-343193-1101484.cloudwaysapps.com/count-words-start-and-end-with-a-vowel
Sorting Techniques : Thrilling Array Programs Part1
Sorting Techniques: Thrilling Array…: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
Masterful Important Number programs ICSE part-3
For more programs https://wordpress-343193-1101484.cloudwaysapps.com/string-programs-part-iiiicse-computer-applications
Number Programs in java ICSE Part-2
Number Programs in Java ICSE Part-2: solved Java program for ICSE Class 10 Computer Applications with complete BlueJ code, explanation and sample output.
Unleashed: Important Number Programs for ICSE Part-1
for other number programs click the link https://wordpress-343193-1101484.cloudwaysapps.com/duck-number
ICSE sample paper 7 computer application : Top questions for free
ICSE sample paper 7 computer application: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
ISC sample paper-7 computer science: Top questions for free
ISC sample paper-7 computer science: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
ICSE Practice test 6 class X : Top Questions for free
ICSE Practice test 6 Class 10: ICSE Class 10 Computer Applications practice test with important questions to revise before the computer exam.
ISC Practical sample paper-2 class 12 : The best way to learn
ISC Practical sample paper-2 Class 12: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.
ISC practical sample paper-1 class 12: The best way to learn
ISC practical sample paperThe total time to be spent on the Planning and the Examination Session is Three hours.After completing the Planning Session, the candidate may begin with the Examination Session. A maximum of 90 minutes is permitted to begin the Examination Session.However, if candidates fi
ICSE class IX computer practice Test 5 : Top Questions for free
ICSE Class 9 computer practice Test 5: ICSE Class 9 Computer Applications practice test with important questions to revise before the computer exam.
ICSE Practice test 4 class X : Top Questions
ICSE Practice test 4 Class 10: ICSE Class 10 Computer Applications practice test with important questions to revise before the computer exam.
ICSE Practice test 3 class X : Top Questions
Sample Input: 15390Sample output: Sum of digits=18 Define a class student having the following description
ICSE Practice test 2 class X : Top Questions
Question 2. [15]Define a class Taximeter having the following description:Data members/instance variablesint taxino - to store taxi numberString name - to store passenger's nameint km - to store number of kilometres travelledMember functions:Taximeter()- default constructor to assign default values
ICSE Practice test 1 class X : Top Questions
Attempt any two programs out of three1. write a menu driven program which accepts (*,/,+,-) and does mathematical operation on the operands entered by the user[use switch case] [15]
ISC Practice test - 6 class 12: Important Questions
ISC Practice test - 6 Class 12: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.
ISC Practice test - 5 class 12: Important Questions
1. What is inheritance? [2]2. Convert the following infix expression to its postfix form. b*[(a/d) – (c * (e-f))] [2]3. Explain the use of keyword “implements”, define interface. [2]4. What is an abstract class? [2]
ISC Practice test - 4 class 12: Important Questions
ISC Practice test - 4 Class 12: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.
ISC Practice test - 3 class 12: Important Questions
ISC Practice test - 3 Class 12: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.
ISC Practice test - 2 class 12: Important Questions
Question 1Draw a truth table with a three input combination which outputs 1 if there are odd number of 0’s. Also derive an SOP expression using Karnaugh map. [5]
ISC Practice test - 1 class 12: Important Questions
Question 1 [10 marks](a) Calculate the dual of the following. [2]X’.(Y+Z)=(X.Y)+(X.Z)(b) Find the compliment of F(a,b)=ab'+a'b [2](c) Write the product of sum of the Boolean function, F(A,B,C) whose output is 0 only when,A=1,B=0,C=0 [2]A=0,B=1,C=0A=0,B=0,
ICSE sample paper computer application : An easy way to revise
This paper is divided into two sections. You are to answer all the questions from section A, and any four from section B.
ISC sample paper 6: An easy computer science sample paper 6
ISC sample paper 6: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
An easy ISC computer science sample paper-5
ISC computer science sample paper-5: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
A powerful ISC computer science sample paper-4
Answer all questions in Part I (compulsory) and seven questions from Part-II, choosing three questions from Section-A, two from Section-B and two from Section-C.
An Ideal ISC computer science sample paper-3
ISC sample paper Answer all questions in Part I (compulsory) and seven questions from Part-II, choosing three questions from Section-A, two from Section-B and two from Section-C.
An inspirational ISC computer science sample paper-2
ISC computer science sample paper-2: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
Free ISC computer science sample paper-1
Free ISC computer science sample paper-1: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.
An Inspirational ICSE computer application sample paper-5
ICSE computer application sample paper-5: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
ICSE sample paper computer Application: Important questions
ICSE sample paper computer Application: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
A joyful ICSE computer Application sample paper-3
SUB: COMPUTER FOR CLASS X
A Resourceful ICSE computer Application sample paper-2
This paper is divided into two sections. You are to answer all the questions from section A, and any four from section B.
ICSE sample paper 2021: Revision made easy
ICSE sample paper 2021: ICSE Class 10 Computer Applications sample paper with important questions for computer exam practice.
Learning Java for ICSE and ISC
Java is the programming language for both ICSE Computer Applications and ISC Computer Science. Most schools teach it with BlueJ, a beginner-friendly IDE that lets you create objects and call methods directly.
Start with variables, operators and input, then loops and conditions, then methods, classes, strings and arrays. ISC students continue with recursion, inheritance and data structures. Every topic on Java4School comes with solved programs you can run and modify.