wordfinder.java

来自「一本有关Java图形界面设计的一本书,英文的,附带有源码,」· Java 代码 · 共 45 行

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.*;
import java.util.List; // we don't want java.awt.List

/**
 * WordFinder is an interface for searching a word list.
 * When the user types any part of a word, the interface
 * displays all the words that match.
 */
public class WordFinder extends JFrame {

    private WordList words = new WordList();
    
    /**
     * Make a WordFinder window.
     */
    public WordFinder() {
        super("Word Finder");
        
        // call System.exit() when user closes the window
        setDefaultCloseOperation(EXIT_ON_CLOSE);
    }
    
    /**
     * Main method.  Makes and displays a WordFinder window.
     * @param args Command-line arguments.  Ignored.
     */
    public static void main(String[] args) {
        // In general, Swing objects should only be accessed from
        // the event-handling thread -- not from the main thread
        // or other threads you create yourself.  SwingUtilities.invokeLater()
        // is a standard idiom for switching to the event-handling thread.
        SwingUtilities.invokeLater(new Runnable() {
            public void run () {
                // Make and display the WordFinder window.
                new WordFinder().show();
            }
        });
    }    
}