Java Programming Interview Questions | How do you swap two numbers without using a third variable?
In this Java programming tutorial, Deividas Strole demonstrates how to swap two numbers without using a third variable—a classic interview question that tests your understanding of arithmetic operations and Java fundamentals.
🎯 What You'll Learn:
Swapping numbers using addition and subtraction
Swapping numbers using multiplication and division
Using bitwise XOR to swap values efficiently
Avoiding common pitfalls like integer overflow
How to write clean and readable Java code for interviews
💡 Perfect For:
Java beginners and intermediate programmers
Coding interview preparation
Anyone learning core Java concepts and problem-solving techniques
🛠️ Tools & Technologies:
Java 8+
IntelliJ IDEA or any Java IDE
Arithmetic operators, bitwise operators
🎥 Created by Deividas Strole
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