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.
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.
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.
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.
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.
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.
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
Java Programs for beginners
Write a program to, compute the railway fare depending on the criteria as given
ICSE sample paper class 9
Section A (40 marks) compulsory questions
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.
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.
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.
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.
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.
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.
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.
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.
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
Conditional Constructs in JAVA
if condition, if...else, if...elseif, if...elseif ladder, switch ...case
An Exclusive Data Input methods in JAVA
Hard Coded Values:- The values are stored in a variable and used later.
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.
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.
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.
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.
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.
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.
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.
A masterful ICSE computer application tutorial part-2 (Tokens in java)
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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.
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.