bangbeantest.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 33 行

//: bangbean/BangBeanTest.java
// {Timeout: 5} Abort after 5 seconds when testing
package bangbean;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import static net.mindview.util.SwingConsole.*;

public class BangBeanTest extends JFrame {
  private JTextField txt = new JTextField(20);
  // During testing, report actions:
  class BBL implements ActionListener {
    private int count = 0;
    public void actionPerformed(ActionEvent e) {
      txt.setText("BangBean action "+ count++);
    }
  }
  public BangBeanTest() {
    BangBean bb = new BangBean();
    try {
      bb.addActionListener(new BBL());
    } catch(TooManyListenersException e) {
      txt.setText("Too many listeners");
    }
    add(bb);
    add(BorderLayout.SOUTH, txt);
  }
  public static void main(String[] args) {
    run(new BangBeanTest(), 400, 500);
  }
} ///:~