import javax.swing.*;
import java.awt.*;
import javax.swing.JTree.*;
import java.awt.BorderLayout;
import java.util.*;

public class JTreeObject extends JFrame{
	String[][] Data = {
		{"Amar"}, {"BCA", "Address","rohini","Delhi"},
		{"Vinod"}, {"BCA", "Software", "Rohini", "Delhi"},
		{"Chandan"}, {"MCA", "Software", "Programer", "Rohini", "Delhi"}, 
		{"Suman"}, {"MCA", "Deginer", "Web", "Delhi"},
		{"Ravi"},{"MCA","Software","programer"}};

  public JTreeObject(){
	  super("JTreeobject frame");
	  setSize(300, 250);
	  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }

  public void init(){
		Hashtable hash = new Hashtable();
		for (int i = 0; i < Data.length; i+=2){
		hash.put(Data[i][0], Data[i + 1]);
		}
		JTree tree = new JTree(hash);
		getContentPane().add(tree, BorderLayout.CENTER);
  }
  public static void main(String args[]){
		JTreeObject object = new JTreeObject();
		object.init();
		object.setVisible(true);
  }
}