import java.util.*;
import java.awt.*;
import java.awt.event.*;

public class Origins {

	// some test objects to be picked at random
static Object[] objectCollection = {
	new FileDialog(new Frame()),
	new Properties(),
	new KeyEvent(null, 0,0,0,0, 'X')
};
//-------------------------------------------------------------------
// main() entry point
//-------------------------------------------------------------------
public static void main (String[] args) {
int pick;
Object object;
Class objectClass;

		// pick an object at random
	pick = (int) (Math.random() * objectCollection.length);
	pick %= objectCollection.length;	// guarantee 0..n-1 index
	object = objectCollection[pick];

		// determine its type
	objectClass = object.getClass();
	System.out.println("Chosen object is of type " + objectClass.getName());

		// determine its inheritance tree
	System.out.println("Object's class inherits from:");
	String tabs = " ->";
	while ( objectClass.getSuperclass() != null ) {
		objectClass = objectClass.getSuperclass();
		System.out.println(tabs + objectClass.getName());
		tabs = "  "+ tabs;
	}

		// determine its set of implemented interfaces
	objectClass = object.getClass();
	System.out.println("and implements the following interfaces:");
	Class interfaces[] = objectClass.getInterfaces();
	if ( interfaces.length > 0 ) {
		for (int i=0; i < interfaces.length; i++) {
			System.out.println(" - " + interfaces[i].getName());
		}
	} else {
		System.out.println("(none)");
	}
}
} // End of Class Origins