Swapping of 2 Strings in Java without using 3rd variable | Most Asked Java Interview Programs

Publicado el: 24 febrero 2026
en el canal de: Java Automation Insights

In this video, we will learn how to swap two strings in Java without using a third variable. This is a very important Java interview question for freshers and experienced developers.

We will understand: ✅ Logic behind swapping without temp variable

✅ Step-by-step explanation
✅ Java program implementation
✅ Output demonstration
✅ Interview tips

This trick uses string concatenation and substring method to swap values efficiently without extra memory.
If you are preparing for Java interviews, coding rounds, or improving your programming logic, this video will help you understand the concept clearly.

💡 Perfect for: • Java beginners
• Automation testers
• Selenium with Java aspirants
• Interview preparation
• Logic explanation in simple words

This tutorial is perfect for:
✔ Java beginners
✔ Students preparing for interviews
✔ Freshers learning Java programming
✔ Anyone who wants to strengthen Java basics

Step-by-step explanation of logic
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