Java Variables Examples
Java Variables Examples
Examples Variables in Java are used to store data values. Each variable has a type, a name, and optionally a value.
1. Declare and Assign a Variable
2. Declare First, Assign Later
3. Multiple Variables in One Line
4. Different Data Type Variables
5. Change Variable Value
6. Using Variables in Expressions
7. Final (Constant) Variable (Cannot be Changed)
8. String Concatenation with Variables
9. Numeric Variables in Same Print
10. Using var (Java 10+)
Java supports type inference using var:
Summary
| Example Type | Example |
|---|---|
| Declare & assign | int x = 10; |
| Declare first, assign later | int x; x = 20; |
| Multiple variables | int a=1, b=2; |
| Constant variable | final int MAX = 50; |
