Java Variable

*Variable is a container it stores data in memory. Each variable has a name, data type and a value.
*Variable name should start with small letter.
*It is Case-sensitive.
*The type of data that can be stored in a variable is defined by data type.
*It is stored in Stack memory.
Ex :
int value = 27;
int -> data type
value -> variable name
= -> assignment operator
27 -> data
; -> end of statement

// Declaration and Assignment in different line:
int count; // Declaration
count = 20; // Assignment of a value

//Declared and initialized in one line:
int value = 20;
String class = "Java";