How To Learn Java String Methods for Interviews (18 Important Methods Explained)

Published: 22 June 2026
on channel: MFA Creatives

Learn the most important Java String Methods asked in interviews step by step.
In this video, I explain 18 essential String methods in Java with examples.
Perfect for Java beginners, students, and interview preparation.

In this tutorial, you'll learn:

✅ length()
✅ charAt()
✅ substring()
✅ equals()
✅ equalsIgnoreCase()
✅ toUpperCase()
✅ toLowerCase()
✅ contains()
✅ replace()
✅ trim() and more

These String methods are frequently used in real-world Java projects and are commonly asked during Java interviews.

If you're preparing for Java interviews or improving your Java fundamentals, this video is for you.

00:00 Introduction
00:25 What is String in Java
01:00 length() Method
03:00 charAt() Method
05:00 substring() Method
07:00 equals() & equalsIgnoreCase()
09:00 Uppercase & Lowercase Methods
11:00 contains() & replace()
13:00 trim() and Other Methods
15:00 Interview Tips & Summary

#java #javatutorial #javaforbeginners #javainterviewquestions #stringmethods #javaprogramming #coding #programming #softwaredevelopment #developer #interviewpreparation #backenddevelopment #javainterview #beginners #learnjava

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