Set JTree line style to Angled in Java

/*from  w  ww.ja v  a  2s  . co  m*/


    
import java.awt.BorderLayout;
import java.awt.Container;

import javax.swing.Box;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Tree Lines");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Container content = frame.getContentPane();
    Box box = Box.createHorizontalBox();

    JTree tree1 = new JTree();
    tree1.putClientProperty("JTree.lineStyle", "Angled");
    JScrollPane scrollPane1 = new JScrollPane(tree1);
    tree1.setAutoscrolls(true);

    JTree tree2 = new JTree();
    JScrollPane scrollPane2 = new JScrollPane(tree2);

    box.add(scrollPane1, BorderLayout.WEST);
    box.add(scrollPane2, BorderLayout.EAST);

    frame.getContentPane().add(box, BorderLayout.CENTER);
    frame.setSize(300, 240);
    frame.setVisible(true);
  }
}