Java Member inner class

A non-static class that is created inside a class but outside a method is called member inner class.

Syntax:

1. class Outer{  
2.  //code  
3.  class Inner{  
4.   //code  
5.  }  
6. }  

Java Member inner class example

In this example, we are creating msg() method in member inner class that is accessing the private data member of outer class.

1. class TestMemberOuter1{  
2.  private int data=30;  
3.  class Inner{  
4.   void msg(){System.out.println("data is "+data);}  
5.  }  
6.  public static void main(String args[]){  
7.   TestMemberOuter1 obj=new TestMemberOuter1();  
8.   TestMemberOuter1.Inner in=obj.new Inner();  
9.   in.msg();  
10.  }  
11. }  

Output:

data is 30

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