Basic Member Type Inner Class in Java.

Main Class:

 

package memberinerclass;

public class Main

{

    public static void main(String[] args)

    {

        ///use outer class

        A objA= new A();

        System.out.println("A data= "+objA.a);

       

        ///use inner class

        A.B objB = objA.new B(); ///create object of inner class B

        System.out.println("B data= "+objB.b);

    }

}

 

Class A:

 

package memberinerclass;

 

public class A /// outer Class

{

    int a=5;

    

    public class B ///Inner Class

    {

        int b = 10;

    }

}