Instance(Object) Variable

## What is an Instance Variable in Java?

1. An instance variable is a variable that belongs to an object (instance) of a class.
2. Every object gets its own copy of this variable.
3. An instance variable is declared inside a class but outside methods.
4. Its value is different for each object.

## Where are instance variables stored in memory?

1. Stored in Heap memory.
2. Memory for these variables is allocated when a new object is created.
3. Exists as long as object exists.

## Does instance variables have default value?

• Gets default values if not assigned.

Instance Variable Default value :

short = 0
byte = 0
int = 0
long = 0
float = 0.0
double = 0.0
char = '\u0000'
boolean = false
String = null

## How to Acces this variable?

• Through object using dot . operator. (Objectname.variablename)

## Where it is declared?

• Inside class and Outside methods.

## What is another name for object variables?

• Instance Variable.