handleclear.java

书上的例子

import java.util.LinkedList;
import javax.swing.*;
import java.awt.event.*;

public class HandleClear implements ActionListener {
    LinkedList<String> list;
    JTextField resultShow, showComputerProcess;

    HandleClear(LinkedList<String> list, JTextField t1, JTextField t2) {
        this.list = list;
        resultShow = t1;
        showComputerProcess = t2;
    }

    public void actionPerformed(ActionEvent e) {
        resultShow.setText("0");
        list.clear();
        showComputerProcess.setText(null);
    }
}