Strings in Java

Strings in Java — a practical guide to Java Strings with clear examples you can reuse in real projects.

Java Tutorial Series (25/90). Prefer one article? Read the complete Java tutorial.

Short description

Strings are immutable in Java. Use methods that return new strings instead of changing the original.

String basics

String s = "Java";
System.out.println(s.length());
System.out.println(s.toUpperCase());