• TCS Core Java Questions 12 MCQ
• All Difference in Java 1 Q
• Java Characteristics: A Comprehensive Guide 16 MCQ | 1 Q
• Java and Internet Article
• Java History 1 Q
• Java Features 13 MCQ | 1 Q
• How Java Differs from C and C++ 10 MCQ
• Literals in Java - MCQ 10 MCQ
• Declaration and Access Control in Java 25 MCQ

• Escape sequences in Java 10 MCQ
• Tokens in Java 10 MCQ | 1 Q
• JRE - Java Runtime Environment Article
• Character Set in Java 1 Q
• Programming pattern Article
• Basic Structure of Java Program Article
• Simple Program of Java- Hello World! 1 MCQ | 1 Q
• Path Setting 1 Q
• Installing and Configuring Article
• Download Java Development Kit -JDK 2 MCQ | 1 Q
• JVM - Java Virtual Machine 4 MCQ
• JDK - Java Development Kit 2 MCQ | 1 Q
• Compilation and Execution Process 10 MCQ | 1 Q

• Type Casting with Objects in Java 1 MCQ | 1 Q
• Introduction to Data type Java 29 MCQ | 1 Q | 1 Code
• char - Data Type in Java 4 MCQ | 1 Q | 4 Code
• Unicode System in Java 2 Code
• boolean - Data Type in Java 3 MCQ | 1 Q | 1 Code
• byte - Data Type in Java 4 MCQ | 1 Q | 1 Code
• short - Data Type in Java 3 MCQ | 1 Q | 1 Code
• int - Data Type in Java 2 MCQ | 1 Q | 1 Code
• long - Data Type in Java 3 MCQ | 1 Q | 1 Code
• float - Data Type in Java 2 MCQ | 1 Code
• double - Data Type in Java 3 MCQ | 1 Q | 1 Code
• Data Type Conversion or Casting in Java 1 MCQ | 1 Q

• Variable - in Java 1 Q
• Variable initialization and Declaration - in Java 1 Q | 1 Code
• Variable Types and Scope- in Java 1 Code

• Constants in Java 1 Q | 9 Code

• Expression Evaluation in Java 1 Q
• Shift Operators Article
• Operator precedence in Java 1 MCQ
• Conditional (Ternary) Operator in Java Article
• Operators in Java 1 Q | 5 Code
• Arithmetic Operators 10 MCQ | 1 Q | 2 Code
• Relational Operators 10 MCQ
• Bitwise Operators 12 MCQ | 3 Code
• Logical Operators in Java 11 MCQ | 1 Q | 5 Code
• Assignment Operators 14 MCQ | 3 Code
• instanceof operator in Java 7 Code

• Assignment: Determine if a Number is Even or Odd Article
• Control flow in programming 1 Q | 12 Code
• Three Constructs That Govern Statement Flow Article
• Decision Making in Java Introduction 1 Q
• if statement in Java 1 Q | 3 Code
• if else Statement in Java 4 Code
• Nested if Statement in Java 1 Code
• if else if ladder in Java 2 Code
• switch case in Java 17 MCQ | 1 Q | 4 Code

• Nested Loops in Java Language 7 MCQ
• Java Loop MCQ Question 3 MCQ
• Jump statements in Java 1 Q
• Enhanced For Loop (For-Each Loop) in Java 10 MCQ
• While loop example in Java Article
• Infinite while loop in Java Article
• Types of loops in Java Article
• Empty Loop in Java Article
• Loop Introduction in Java Language 2 MCQ | 1 Q
• While Loop in Java Language 3 MCQ | 12 Code
• Do While Loop in Java Language 5 MCQ | 6 Code
• For Loop in Java Language 5 MCQ | 1 Q | 7 Code
• For each loop in Java Language 2 MCQ | 6 Code
• Labeled For Loop in Java Language 3 MCQ | 2 Code

• Question 1 - Java MCQ 1 MCQ
• Question 2 - Java MCQ 1 MCQ
• Question 3 - Java MCQ 1 MCQ
• Question 4 - Java MCQ 1 MCQ
• Question 5 - Java MCQ Article
• Question 6 - Java MCQ Article
• Question 7 - Java MCQ Article
• About Java Tutorial 1 Q | 10 Code
• Introduction in String 5 MCQ | 37 Code
• Immutable Strings and Interned Strings in Java Article
• String comparision in Java 1 MCQ
• Sub String in Java Article
• StringBuffer in Java 1 Code
• StringBuilder in Java Article

• Insert an Element in the Middle of an Array Article
• Delete an Element in the Middle of an Array Article
• Array Declaration with Initialization Using Values - Java Article
• Read all elements of an array using Index Article
• Read all elements of an array using Loops Article
• Find the size of an array Article
• Java Array fixed-size sequence/ same type Article
• Need for Array Article
• Types of Array Article
• Java Array Error Article
• Finding the sum of all array elements Article
• Array with Function 10 MCQ | 1 Q
• Array in java 1 Q | 21 Code
• 2D and Multi-Dimension Array in Java 1 Q | 2 Code

• Introduction to Searching in Java 1 MCQ | 4 Code
• Linear Search Searching in Arrays (Java) 1 MCQ
• Binary Search in Arrays (Java) Article
• Built-in Searching Methods in Java Article

• Pure Method in Java 1 MCQ
• Impure Method in Java 1 MCQ
• In Java, Object is the superclass of all other classes 1 Q
• Class and Object Concept in Java 1 MCQ | 1 Q | 15 Code
• Concept of Methods related to object 1 MCQ | 5 Code
• Methods Overloading Java 1 Q | 1 Code
• Constructor in Java 1 Q | 8 Code
• Constructor overloading 1 Q | 2 Code
• Methods Examples Java 1 MCQ | 1 Q | 5 Code
• this Keyword in Java 16 Code
• static Keyword in Java 1 Q | 13 Code
• Covariant return types Article
• finalize() method in java 1 Q
• Recursion in Java 1 Code

• Inheritance in Java (IS-A) 14 MCQ | 1 Q | 10 Code
• Aggregation in Java (HAS-A) Article
• super keyword in Java 6 Code
• Instance initializer block Article
• static block in Java 1 Q
• final keyword 7 Code
• Garbage Collection in Java Article

• Wrapper Class in Java 1 Q | 58 Code
• Nested Class In Java 1 Q
• Command Line Argument Article

• Introduction to Exception Handling - Java 1 Q
• try and catch 1 Q
• Multiple catch block in java Article
• Nested try block in java Article

• Java Library Classes and Packages 1 Q

• Mathematical Library Methods in Java 10 MCQ
• Number Class Introduction 20 Code
• xxxValue () Method in Java Article
• compareTo() method Article
• equals() method Article
• valueOf() method Article
• toString() Method Article
• parseInt() method 15 Code
• abs() method 2 Code
• ceil() Method 1 Code
• floor() Method 1 Code
• rint() Method 1 Code
• round() Method in 1 Code
• min() Method 1 Code
• max() Method 1 Code
• exp() Method 1 Code
• log() Method 1 Code
• log10() method Article
• pow() Method 1 Code
• sqrt() Method 1 Code
• sin() Method 1 Code
• cos() Method 1 Code
• tan() Method 1 Code
• asin() Method 1 Code
• acos() Method 1 Code
• atan() Method 1 Code
• atan2() Method 1 Code
• toDegrees() Method 1 Code
• toRadians() Method 1 Code
• random() Method 1 Code
• addExact(int x, int y) method 1 Code
• addExact(long x, long y) method Article
• cbrt(double a) method Article
• copySign() method Article
• cosh() method Article
• decrementExact() method Article
• getExponent(double d) method Article
• hypot(double x, double y) method Article
• IEEEremainder(double f1,double f2) method Article
• incrementExact() method Article
• multiplyExact() method Article
• negateExact() method Article
• nextAfter() method Article
• nextUp() method Article
• nextDown() method Article
• sinh() method Article
• tanh() method Article
• toIntExact() method Article

• Introduction to Character Class 1 MCQ | 1 Q | 1 Code
• isLetter() 1 Code
• isDigit() 1 Code
• isWhitespace() 1 Code
• isUpperCase() 1 Code
• isLowerCase() Article
• toUpperCase() 1 Code
• toLowerCase() 1 Code
• toString() 1 Code

• trim() method Article
• length() Method 1 Q
• capacity() Method Article
• ensureCapacity() Method Article
• setLength() Method Article
• charAt() Method 1 Code
• setCharAt() Method Article
• getChars() Method Article
• append() Method 1 Q
• insert() Method Article
• reverse() Method Article

• Project Question: Electricity Bill Calculator Article
• Project Solution: Electricity Bill Calculator Article

• Project Question: Hotel Booking System Article
• Project Solution: Hotel Booking System Article

• Vector Introduction 1 Q

• Polymorphism in Java 1 Q | 2 Code

• Abstract class and method 1 Q | 9 Code

• Package Introduction in Java 2 MCQ | 1 Q
• Sub Package in Java Article
• static import in Java Article
• Access Modifiers in Java Article
• Non Access Modifiers in Java Article
• Encapsulation in Java 1 MCQ
• Access modifier Example 1 Article
• Access modifier Example 2 Article
• Access modifier Example 3 Article
• Access modifier Example 4 Article

• Introduction to Multithreading 1 Q
• Life Cycle of Thread 1 Q
• Create Thread 1 Q

• Applet Introduction 1 MCQ | 1 Q
• Applet class and it's Skeleton 1 MCQ
• Graphics in Applet 1 MCQ | 1 Q
• Displaying Image in Applet 1 MCQ

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• Java Networking 1 Q

• Computing and Ethics 17 MCQ | 1 Q

• Java Language Fundamental 30 MCQ
• Java Language Basics 12 MCQ
• Basic Concept of OOP 96 MCQ | 1 Q | 2 Code
• Java Interviews MCQs 18 MCQ
• History of Java 10 MCQ
• JVM and JRE - MCQ 12 MCQ
• Java Compilation - MCQ 5 MCQ
• Java Data Types and Variables - MCQ 51 MCQ
• Java Input Output MCQ 4 MCQ
• Operator in Java 13 MCQ | 1 Q
• Java Control Flow 19 MCQ
• Java Constructor and Methods 32 MCQ | 1 Q
• Array in Java 15 MCQ | 1 Q
• String in Java 19 MCQ | 1 Q
• Overriding and Overloading in Java 12 MCQ
• Inheritance in Java MCQ 31 MCQ | 1 Q
• Java Interfaces And Abstract Classes MCQ 20 MCQ
• Java thread MCQ 22 MCQ
• Java Exception MCQ 25 MCQ | 1 Q

• ICSE Computer Application - Class X - MCQ - CALCUTTA PUBLIC SCHOOL 28 MCQ
• ICSE Computer Application - Class X - 2010 PYQ 1 Q | 11 Code
• ICSE Computer Application - Class X - 2018 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2017 PYQ 1 Q | 6 Code
• CSE Computer Application - Class X - 2011 PYQ 1 Q
• ICSE Computer Application - Class X - 2012 PYQ 1 Q | 7 Code
• ICSE Computer Application - Class X - 2013 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2014 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2015 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2016 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2019 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2020 PYQ 1 Q | 6 Code
• ICSE Computer Application - Class X - 2024 PYQ 1 Q
• ICSE Computer Application - Class X - Selection Examination - 2024-25 - MCQ - CALCUTTA PUBLIC SCHOOL 20 MCQ | 1 Q
• ICSE Computer Application - Class X - 2023 PYQ 20 MCQ | 1 Q | 6 Code
• ICSE Computer Application - Class X - 2022 PYQ 10 MCQ | 6 Code
• ICSE Computer Application - Class X - 2021 PYQ Article
• ICSE Computer Application - Class X - 2024 SPECIMEN QUESTION PAPER 1 MCQ
• ICSE Computer Application - Class X - 2025 PYQ 20 MCQ | 1 Q
• ICSE Computer Application - Class X - 2025 SPECIMEN QUESTION PAPER 21 MCQ

• Example 1: ATM Simulation Article

• Project Question: Creating a Hollow Square with Diagonal Lines Article
• Project Solution: Creating a Hollow Square with Diagonal Lines Article

• Project Assignment: Creating an X Pattern Article
• Project Solution: Generating an X Pattern in Java Article

• Project Question: Hollow Square Pattern Article
• Project Solution: Hollow Square Pattern Article

• Project Assignment: How to Implement Binary Search Article
• Project Solution: How to Implement Binary Search Article

• Project Assignment: Determine the Best Performing Section in Final Exams Article
• Project Solution: Determine the Best Performing Section in Final Exams Article
• Project Bonus Task & Solution: Determine the Best Performing Section in Final Exams Article

• Project Question: Number of boxes into cartons of capacities Article
• Project Answer: Number of boxes into cartons of capacities Article

• Project Question: Matrix: input, rotate 270° anticlockwise, sum odds, error if invalid. Article
• Project Answer: Matrix: input, rotate 270° anticlockwise, sum odds, error if invalid. Article

• Project Question: Check if a sentence has consecutive word lengths and ends with . or ?. Article
• Project Answer: Check if a sentence has consecutive word lengths and ends with . or ?. Article