Abstract Inner Class, Java

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//Title of this code
//'main' method must be in a class 'Rextester'.

import java.util.*;
import java.lang.*;

class Rextester {
 
      public static void main(String args[]) {
 
            //Anonymous Class Outer Class
            AbstractOuterClass abstractOuterClass = new AbstractOuterClass() {
                  public void anonymousHit() {
                        System.out.println("Anonymous hit!");
                  }
            };
           
            // method call of Abstract class
            abstractOuterClass.hit();
 
            //Object for inner class when inner class is static
            AbstractOuterClass.StaticInnerClass inner = new AbstractOuterClass.StaticInnerClass();
            //method call of inner class
            inner.hitInner();
           
            //Object for inner class when inner class is not static
            AbstractOuterClass.InnerNotStatic innerNotStatic = abstractOuterClass.new InnerNotStatic();
            //method call of inner class which is not static
            innerNotStatic.hitInnerNotStatic();
           
            //Anonymous Class for Inner Class
            AbstractOuterClass.AbstractInnerClass abstractInnerClass = abstractOuterClass.new AbstractInnerClass() {
                  public void anonymousHitInnerAbstract() {
                        System.out.println("Inner hit");
                  }
            };
            //method call of Abstract Inner Class
            abstractInnerClass.hitInnerAbstract();
      }
}
 
abstract class AbstractOuterClass {
     
      //default constructor of AbstractOuterClass
      public AbstractOuterClass() {
            System.out.println("Default Constructor");
      }
     
      //method of abstract class AbstractOuterClass
      void hit() {
            System.out.println("Outer hit");
      }
     
      //static inner class
      static class StaticInnerClass {
 
            void hitInner() {
                  System.out.println("Inner hit");
            }
      }
     
      //not static inner Class
      class InnerNotStatic {
 
            void hitInnerNotStatic() {
                  System.out.println("Inner Not Static hit");
            }
      }
     
      // Abstract Inner Class
      abstract class AbstractInnerClass {
 
            void hitInnerAbstract() {
                  System.out.println("Inner Not Static hit");
            }
      }
}

[ + ] Show input
Compilation time: 0.44 sec, absolute running time: 0.15 sec, cpu time: 0.07 sec, memory peak: 10 Mb, absolute service time: 0.77 sec