JAVA³ÌÐòÈ«¾Ö¼üÅ̼àÌýʼþ
// ×¢²áÓ¦ÓóÌÐòÈ«¾Ö¼üÅÌʼþ, ËùÓеļüÅÌʼþ¶¼»á±»´Ëʼþ¼àÌýÆ÷´¦Àí.
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
Ïà¹ØÎĵµ£º
֮ǰÔÚ×öfindbugsµÄʱºò¾³£»á²é¿´×Ö½ÚÂ룬¶¼ÊÇÒ»Öª°ë½âµÄ
ÄÇÌì¿´µ½Ò»¸öÎÊÌ⣬¸ÕºÃ¿ÉÒÔ´Ó×Ö½ÚÂëÀ´½âÊÍ
ÕâЩÌâÄ¿³£¼ûÓÚÃæÊÔÌ⣬ͨ³£ÒªÊÇ˸ÒÕâôд´úÂ룬ÍêÈ«ÊÇÔÚÕÒËÀ¡£¡£
Java´úÂë
public class Test {
public static void main(String[]  ......
´ó¼Ò¶¼ÖªµÀJAVAÖÐʹÓÃOBJECT×÷ΪΨһµÄ»ùÀà¡£µ«ÊÇJAVAµÄÉè¼ÆÕßΪʲôҪÕâÑù×öÄØ£¿ÖضÁ¡¶TTHINKING IN JAVA¡·£¬µÃ³öÒÔÏÂÔÒò£º
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 ......
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 ......
ת×Ô£ºÊ¹ÓÃC++¶ÔjavaµÄclassloader½øÐÐÄ£Äâ
Ò»Ö±ÒÔÀ´£¬¾õµÃjavaµÄclassloaderºÜ²»´íµÄ£¬×ö²úÆ·µÄ»°£¬¿ÉÒÔ½«»ù±¾µÄ×öÏÂÀ´ºó£¬½«À©Õ¹Í¨¹ýclassloaderµÄ·½Ê½À´×ö£¬½«¸üеIJ¹
¶¡Ê¹ÓÃclassloaderÀ´×ö£¬ÔÚʹÓÃjavaµÄÍøÂçÓÎÏ·ÖУ¬¿ÉÒÔ½«À©Õ¹Í¨¹ýclassloaderµÄ»úÖÆ£¬ÊµÏÖ¶¯Ì¬µÄ¸üУ¬Ê¡µÄÿ´Î¸üÐÂÒªÖØÐÂÏÂÔØ
¿Í»§¶Ë£¬ÔÚÊÖ»úÉÏ¿É ......
³ Java ÓïÑÔÖУ¬¶Ô¸÷ÖÖ±äÁ¿¡¢·½·¨ºÍÀàµÈÒªËØÃüÃûʱʹÓõÄ×Ö·ûÐòÁгÆÎª±êʶ·û¡£
--·²ÊÇ×Ô¼º¿ÉÒÔÆðÃû×ֵĵط½¶¼½Ð±êʾ·û£¬¶¼×ñÊØ±êʾ·ûµÄ¹æÔò¡£
³ Java ±êʶ·ûÓÐÈçÏÂÃüÃû¹æÔò£º
– ±êʶ·ûÓÉ×Öĸ¡ ......