Java父类和子类

class Sample{

   public void display(){

      // Java Arrays with Answers

      System.out.println("Hello this is the method of the super class");

   }

}

public class MyClass extends Sample {

   public void greet(){

      System.out.println("Hello this is the method of the sub class");

   }

   public static void main(String args[]){

      MyClass obj = new MyClass();

      obj.display();

      obj.greet();

    }

}