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Variables In Java

Java variable is nothing but a named memory allocation which may vary at the time of execution.A variable assigns a value.

For example, int x=20;
Here x is a variable and the value 20 is assigned to x which is also known as variable initialization.

Basically Java supports three types of variables, such as :

  1. Local variable
  2. Instance variable
  3. Static variable

Local Variable:

Instance Variable:

Static Variable:

Example

class Demo
{
int x=30; //instance variable
static int y=200; //static variable
void get()
{
int z=50; //local variable
}
} //end of class
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