Variable in Java

Source: Dev.to

Variable

• A variable is the name of a memory location.
• A variable is used to store a value.
• The value of a variable can change during program execution.

Rules for Variable Names in Java

• Variable name should start with a lowercase letter.
• Variable name can start with $ or _.

Example

byte tamilMark = 60;

Explanation

• byte → data type
• tamilMark → variable name
• = → assignment operator
• 60 → value
• ; → end of statement