Set the Row Height of a JTree in Java

  /*from  w w  w  .j av  a  2s .  co  m*/

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

public class Main {
  public static void main(String[] argv) {
    JTree tree = new JTree();

    tree.setRowHeight(30);

    JFrame frame = new JFrame("tree row height");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(tree));
    frame.setSize(380, 320);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);

  }
}