Data Types
Used to specify the set of values and their operations
Primitive Data Types
The fundamental types in Java
Variable
A name for a memory location that stores a specific value, such as numbers and letters
Constant
It is a memory location whos value cannot be changed during program execution
Final
Is java reserved word. The value stored in the Variable_name is fixed and cannot be changed
Type Casting
This refers to converting a value from a specific type to a variable of another type