Java ¶àÏß³Ì
1. ´´½¨Ị̈߳¨¼Ì³ÐThreadºÍʵÏÖrunnable½Ó¿Ú£© class SubThread {
private class InnerThread extends Thread {
@Override
public void run() {
System.out.println(Thread.currentThread().getName());
super.run();
}
}
public Thread getThread() {
return new InnerThread();
}
}
£². Ï̵߳ĿØÖÆ
isAlive() //ÅжÏÏß³ÌÊÇ·ñ»¹¡°»î×Å¡±£¬¼´Ïß³ÌÊÇ·ñ»¹Î´ÖÕÖ¹
getPriority() //»ñµÃÏ̵߳ÄÓÅÏȼ¶ÊýÖµ
setPriority() //ÉèÖÃÏ̵߳ÄÓÅÏȼ¶Ö¸Êý
Thread.sleep() //¾²Ì¬·½·¨£¬½«µ±Ç°Ïß³Ì˯ÃßÖ¸¶¨ºÁÃëÊý
join() //µ÷ÓÃijÏ̵߳ĸ÷½·¨£¬½«µ±Ç°Ïß³ÌÓë¸ÃÏ̺߳ϲ¢£¬
//¼´µÈ´ý¸ÃÏ߳̽áÊø£¬Ôٻظ´µ±Ç°Ï̵߳ÄÔËÐС£
yield() //ÈóöCPU£¬µ±Ç°Ï߳̽øÈë¾ÍÐ÷״̬µÈ´ýµ÷¶È
interrupt() //ÖжÏÏß³Ì
wait() //µ±Ç°Ï߳̽øÈë¶ÔÏóµÄwait pool
notify()/all //»½ÐѶÔÏóµÄwait poolÖеÄÒ»¸ö/ËùÓеȴýÏß³Ì
3. Ï̵߳Äͬ²½£¨Í¬²½¿éºÍͬ²½·½·¨£©synchronized
Ïà¹ØÎĵµ£º
ÊäÈëÍøÒ³ÎļþÃû£¬ºÍ×ÊÔ´ÁбíÎļþÃû
Êä³ö×ÊÔ´ÁбíÎļþ¹©Ñ¸À×ÏÂÔØ¡£
ÊÊÓÃÓÚÅúÁ¿ÏÂÔØÍ¼Æ¬¡£
ÓÉÁ½¸öÎļþ×é³É¡£
ûÓÐÌá¹©ÍøÒ³ÏÂÔØ¹¦ÄÜ£¬ÒòΪÎÒûÓÐʱ¼äд£¬Ïà¹ØµÄ´úÂëÒÔºóÔÙÌù¡£
1
//
AnalizeIMG.java
2
3
//
Ö÷³ÌÐò
4
5
import
java.io.BufferedReader;
6
import
......
1.·½·¨ÖØÔØ£ºÊÇÖ¸ÔÚÒ»¸öÀàÖÐÓжà¸ö·½·¨µÄÃû×ÖÏàͬ£¬µ«ÕâЩ·½·¨µÄ²ÎÊý±ØÐ벻ͬ£¬¼´ÒªÃ´ÊDzÎÊýµÄ¸öÊý²»Í¬£¬ÒªÃ´ÊDzÎÊýµÄÀàÐͲ»Í¬
×¢Ò⣺ÔÚ·½·¨ÖØÔØÖУ¬·½·¨µÄ·µ»ØÀàÐͺͲÎÊýµÄÃû×Ö²»²ÎÓë±È½Ï
2.·½·¨ÖвÎÊýµÄ´«Öµ£ ......
ÔÚÎÒÃÇд³ÌÐòµÄʱºò,ÓÐʱ»áÒªÇó±£´æÒ»Ð©Êý¾Ý,±ÈÈçÓû§Ãû»òÕß±ðµÄ,µ«ÊÇÕâÑùÊý¾ÝÓÖ²»ÊDZ£´æÔÚ³ÌÐòͬһĿ¼ÏÂ,ÕâÑù×öÌ«Ã÷ÏÔÁË,Ò²²»Ì«°²È«,ÄÇÔõô°ìÄØ?Õâ¸öʱºò,Èç¹ûÄܰÑÊý¾Ý±£´æµ½×¢²á±íÀïÃæÈ¥,ÄǸöàºÃ,Ò»À´Òþ±Î,¶þÀ´·½±ã,²»ÖÁÓÚÔÚ³ÌÐòĿ¼ÏÂÉú³ÉÒ»´óƬÎļþ.
ÔÚJAVAÀïÃæ,¿ÉÒÔÀûÓÃjava.util.prefs.PreferencesÀ´¶Ô×¢²á±í½øÐ ......
ÔÚÍøÉÏ¿´Á˺öàÈË£¬¶ÔjdkµÄ»·¾³±äÁ¿Åä·¨²»Ï飬ÔÚ´ËС½áÒ»ÏÂ
ǰÌáÌõ¼þ£ºµçÄÔÉϰ²×°ÁËjdk
²½Ö裺
1£©ÎҵĵçÄÔ/ϵͳÊôÐÔ/¸ß¼¶/»·¾³±äÁ¿/Óû§±äÁ¿/н¨
a£©±äÁ¿Ãû£ºJAVA_HOME
±äÁ¿Öµ£ºE:\Program Files\Java\jdk1.5.0_04£¨jdk°²×°Â·¾¶£©
b£©±äÁ¿Ãû£ºPATH
±äÁ¿Öµ£º%JA ......