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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.
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Data Input Using Scanner Class
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Method Overloading in Java
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Popular ICSE & ISC computer resources
- ICSE Class 10 Computer Applications sample papers
- ICSE Class 9 Computer Applications notes & papers
- ISC Class 12 Computer Science sample papers
- ISC Class 11 Computer Science notes & papers
- ICSE & ISC computer sample papers with solutions
- Previous year computer board papers
- Computer practical papers with solved programs
- Solved Java (BlueJ) programs
Frequently Asked Questions
What is Java4School?
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Java4School is a free study website for ICSE Computer Applications (Class 9 and 10) and ISC Computer Science (Class 11 and 12). It is run by Trushna Tejwani, an ICSE and ISC computer science teacher with more than 15 years of experience and a former .NET and Java software developer, and offers solved sample papers, previous year board papers, practical papers, solved Java programs, notes and practice tests.
Where can I get ICSE Class 10 Computer Applications sample papers with solutions?
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The ICSE Class 10 Computer Applications section of Java4School has full sample papers in the latest CISCE format, with answers for every MCQ and short question and complete solved Java programs for Section B. All papers are free to read online.
What is the paper pattern of ICSE Computer Applications?
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The ICSE Computer Applications paper is for 100 marks and lasts 2 hours. Section A (40 marks) is compulsory and has MCQs and short-answer questions. In Section B (60 marks) students attempt any four of six Java programming questions, each worth 15 marks. Always check the official CISCE specimen paper for your exam year.
What is the paper pattern of ISC Computer Science?
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ISC Computer Science has a 70-mark theory paper of 3 hours and a 30-mark practical exam. The theory paper has a compulsory Part I of short questions and a Part II with sections on Boolean algebra, Java programming and data structures, with internal choice.
Which programming language is used in ICSE and ISC computer exams?
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Both ICSE Computer Applications and ISC Computer Science use Java. Most schools teach it with the BlueJ IDE, and all programs on Java4School are written so they run in BlueJ.
Are Java4School sample papers and notes free?
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Yes. All sample papers, solutions, programs, notes and practice tests on Java4School are free to use.
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