Variables and Constants in Java

Variables and Constants in Java — a practical guide to Java variables constants with clear examples you can reuse in real projects.

Java Tutorial Series (10/90). Prefer one article? Read the complete Java tutorial.

Short description

Variables store values. Use `final` for values that should not be reassigned.

Variables + final

int age = 25;
double price = 99.5;
final double PI = 3.14159;