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Tip: Understanding Usage of the getSuperclass Method on a Class Object

See how to use the getSuperclass method on a class object in Java.


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class SuperClass
{
   public static void main(String args)
   {
      //do Nothing
   }
}


class MyClass extends SuperClass
{
   public static void main(String args[])
   {
      //do Nothing
   }
}

public class NewClass 
{
   public static void main(String args[])
   {
      SuperClass superClass = new SuperClass();
      MyClass myClass = new MyClass();
      
      //Initializing the calss to that of MyClass
      Class classInstance = myClass.getClass();
      
      System.out.println("Class of myClass is " + classInstance.getName());
      classInstance = classInstance.getSuperclass();
      System.out.println("Superclass of myClass is " + classInstance.getName());
      
      //Initializing the calss to that of SuperClass
      classInstance = superClass.getClass();
      
      System.out.println("Class of superClass is " + classInstance.getName());
      classInstance = classInstance.getSuperclass();
      System.out.println("Superclass of myClass is " + classInstance.getName());      
      
   }
   
}

/*

Expected output:

[root@mypc]# java NewClass
Class of myClass is MyClass
Superclass of myClass is SuperClass
Class of superClass is SuperClass
Superclass of myClass is java.lang.Object

*/

 

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