What is the difference between variables and constants in Java?

What is the difference between variables and constants in Java?

In Java, a variable is a container for storing data values that can change, while a constant is a fixed value that cannot be altered.

Can you give me an example of a variable and a constant in Java?

Sure! A variable can be declared like this: int age = 25; and a constant can be declared using final: final int MAX_AGE = 100;.

Why would I use constants instead of variables?

Constants improve code readability and maintainability, as they prevent accidental changes to values that should remain fixed.

Are there any best practices for naming constants in Java?

Yes! It's common to use uppercase letters with underscores for constants, like MAX_SPEED, to distinguish them from variables.