JavaQ5b, Java - rextester

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//JAVA LAB Q5-B-Write a Java Program to demonstrate use of nested class.
//-------------------INNER NESTED CLASS------------

import java.util.*;
import java.lang.*;
class OuterClass 
{  
    // static member 
    static int outer_x = 10; 
      
    // instance(non-static) member 
    int outer_y = 20; 
      
    // private member 
    private int outer_private = 30; 
      
    // inner class 
    class InnerClass 
    { 
        void display() 
        { 
            // can access static member of outer class 
            System.out.println("outer_x = " + outer_x); 
              
            // can also access non-static member of outer class 
            System.out.println("outer_y = " + outer_y); 
              
            // can also access private member of outer class 
            System.out.println("outer_private = " + outer_private); 
          
        } 
    } 
} 
  
class Rextester
{  
    public static void main(String args[])
    {
        OuterClass outerObject = new OuterClass(); 
        OuterClass.InnerClass innerObject = outerObject.new InnerClass();           
        innerObject.display(); 
    }
}

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Compilation time: 1.14 sec, absolute running time: 0.26 sec, cpu time: 0.26 sec, memory peak: 18 Mb, absolute service time: 1,41 sec