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Toolkit tk = Toolkit.getDefaultToolkit();
tk.addAWTEventListener(new MyAWTEventListener(), AWTEvent.KEY_EVENT_MASK);
class MyAWTEventListener implements AWTEventListener {
    private boolean controlPressed = false;
    private boolean cPressed       = false;
    @Override
    public void eventDispatched(AWTEvent event) {
        if (event.getClass() == KeyEvent.class) {
            // ±»´¦ÀíµÄʼþÊǼüÅÌʼþ.
            KeyEvent keyEvent = (KeyEvent) event;
            if (keyEvent.getID() == KeyEvent.KEY_PRESSED) {
                keyPressed(keyEvent);
            } else if (keyEvent.getID() == KeyEvent.KEY_RELEASED) {
                keyReleased(keyEvent);
            }
        }
    }
    private void keyPressed(KeyEvent event) {
        if (event.getKeyCode() == KeyEvent.VK_CONTROL) {
            controlPressed = true;
        } else if (event.getKeyCode() == KeyEvent.VK_C) {
            cPressed = true;
        }
        if (controlPressed && cPressed) {
         &nbs


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1£¬JAVAÊÇ´¿ÃæÏò¶ÔÏóµÄÓïÑÔ¡£µ¥¼Ì³ÐÌåϵ±£Ö¤ÁËËùÓÐн¨µÄ»òJDKÖÐÒÑÓеÄÀà¶¼±ØÐë¼Ì³Ð×ÔOBJECT¡£ÕâÑù£¬±£Ö¤ÁËËùÓеÄÀà¶¼¾ßÓÐһЩ»ù±¾µÄ·½·¨¡£ÀýÈçÒ»¸öString¶ÔÏóÓÐtoString()·½·¨£¬ÁíÍâÒ»¸öMath¶ÔÏ ......

Java equals

boolean java.lang.Object.equals(Object obj)
Indicates whether some other
object is "equal to" this one.
The equals method implements an
equivalence relation on non-null object references:
It is reflexive: for
any non-null reference value x, x.equals(x) should return true.
It ......

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ÎÄÕÂת×Ô:http://www.javaeye.com/topic/31742
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public class ArraySort {
     public static void main(String[] args) {
     int Arrays[]={50,45,2,678,90,40,};
     int i,j,temp,min;
     int len=Array ......
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