: If object c represents java.lang.String Class, then ‘sc’ represents java.lang.Object Class

//app2.java

public class app2

{

                public static void main(String args[])

                {

                                printSuperclass (args[0]);

                }

                public static void printSuperclass(String name)

                {

                                try

                                {

                                                Class c=Class.forName (name);

                                                Class sc=c.getSuperclass ();

                                                System.out.println (c.getName () +"extends" + sc.getName ());

                                }

                                catch(Exception e)

                                {

                                                e.printStackTrace ();

                                }

                }

}

In command prompt:

C:\java\adv java>javac app2.java

C:\java\adv java>java app2 java.lang.String

java.lang.Stringextendsjava.lang.Object

C:\java\adv java>java app2 java.lang.Integer

java.lang.Integerextendsjava.lang.Number

C:\java\adv java>java app2 app2

app2extendsjava.lang.Object

C:\java\adv java>