test.java

《Java2图形设计卷II：Swing》配套光盘源码

import java.awt.Color;
import javax.swing.*;

public class Test extends JApplet {
	public void init() {
		UIManager.put("Tree.background", Color.lightGray);
		UIManager.put("Tree.textBackground", Color.lightGray);

		//ScrollBar.width is peculiar to Metal L&F
		UIManager.put("ScrollBar.width", new Integer(25));
		getContentPane().add(new JScrollPane(new JTree()));
	}
}