decorator.java

来自「设计模式是软件工程的核心思想」· Java 代码 · 共 20 行

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

//swing classes
import javax.swing.text.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;


public class Decorator extends JComponent {
    public Decorator(JComponent c) {
        setLayout(new BorderLayout());
        add("Center", c);
    }
}