JavaỊ̈߳ºÏ̵߳ĵ÷¶È Èò½
JavaỊ̈߳ºÏ̵߳ĵ÷¶È-Èò½
Ï̵߳ÄÈò½º¬Òå¾ÍÊÇʹµ±Ç°ÔËÐÐ×ÅÏß³ÌÈóöCPU×ÊÔ´£¬µ«ÊÇÈ»¸øË²»ÖªµÀ£¬½ö½öÊÇÈóö£¬Ïß³Ì״̬»Øµ½¿ÉÔËÐÐ״̬¡£
Ï̵߳ÄÈò½Ê¹ÓÃThread.yield()·½·¨£¬yield() Ϊ¾²Ì¬·½·¨£¬¹¦ÄÜÊÇÔÝÍ£µ±Ç°ÕýÔÚÖ´ÐеÄÏ̶߳ÔÏ󣬲¢Ö´ÐÐÆäËûÏ̡߳£
/**
* JavaỊ̈߳ºÏ̵߳ĵ÷¶È-Èò½
*
* @author leizhimin 2009-11-4 9:02:40
*/
public class Test {
public static void main(String[] args) {
Thread t1 = new MyThread1();
Thread t2 = new Thread(new MyRunnable());
t2.start();
t1.start();
}
}
class MyThread1 extends Thread {
public void run() {
for (int i = 0; i < 10; i++) {
System.out.println("Ïß³Ì1µÚ" + i + "´ÎÖ´ÐУ¡");
}
}
}
class MyRunnable implements Runnable {
public void run() {
for (int i = 0; i < 10; i++) {
System.out.println("Ïß³Ì2
Ïà¹ØÎĵµ£º
´ò¿ªeclipse£¬·¢ÏÖeclipseå´µôÁË£¬²¢ÇÒ³öÏÖÕâÑùµÄÌáʾ£º¹ØÓÚInitializing java tooling£¨1%£©...
ÖØÆôÁ˼¸´ÎÖ®ºó·¢ÏÖÎÊÌâÈÔÈ»´æÔÚ£¬Òò¶ø¿ñËÑÁËÒ»°Ñ£¬ÖÕÓÚÕÒµ½ÕýÈ·µÄ½â¾ö°ì·¨£¬ÈçÏ£º
ÕÒµ½eclipseĿ¼£¬±à¼eclipse.iniÎļþ£¬ÔÚ-vmargs²ÎÊý֮ǰÌí¼ÓÉÏÈçϲÎÊý£¨Ò»¶¨ÒªÏñÏÂÃæÕâÑùд³ÉÁ½ÐУ©£¬È»ºóÖØÆô¾ÍokÁË
-vm
C:\Progr ......
public class test1
{
public static void main(String[] args){
//== ÓëequalsµÄÇø±ð
//1.nullµÄ±È½Ï£ºÖ»ÄÜÓÃ==
System.out.println("1.nullµÄ±È½Ï£ºÖ»ÄÜÓÃ==");
Object o1=null,o2=null;
System.out.println(null==null&&o1==null& ......
JavaỊ̈߳º´´½¨ÓëÆô¶¯
SCJP5ѧϰ±Ê¼Ç
Ò»¡¢¶¨ÒåÏß³Ì
1¡¢À©Õ¹java.lang.ThreadÀà¡£
´ËÀàÖÐÓиörun()·½·¨£¬Ó¦¸Ã×¢ÒâÆäÓ÷¨£º
public void run()
Èç¹û¸ÃÏß³ÌÊÇʹÓöÀÁ¢µÄ Runnable ÔËÐжÔÏó¹¹ÔìµÄ£¬Ôòµ÷Óøà Runnable ¶ÔÏóµÄ run ·½·¨£»·ñÔò£¬¸Ã·½·¨²»Ö´ÐÐÈκβÙ×÷²¢·µ»Ø¡£
Thr ......
JavaỊ̈߳ºÏß³ÌջģÐÍÓëÏ̵߳ıäÁ¿
SCJP5ѧϰ±Ê¼Ç
ÒªÀí½âÏ̵߳÷¶ÈµÄÔÀí£¬ÒÔ¼°Ïß³ÌÖ´Ðйý³Ì£¬±ØÐëÀí½âÏß³ÌջģÐÍ¡£
Ïß³ÌÕ»ÊÇָijʱ¿ÌʱÄÚ´æÖÐÏ̵߳÷¶ÈµÄÕ»ÐÅÏ¢£¬µ±Ç°µ÷Óõķ½·¨×ÜÊÇλÓÚÕ»¶¥¡£Ïß³ÌÕ»µÄÄÚÈÝÊÇËæ×ųÌÐòµÄÔËÐж¯Ì¬±ä»¯µÄ£¬Òò´ËÑо¿Ïß³ÌÕ»±ØÐëÑ¡ÔñÒ»¸öÔËÐеÄʱ¿Ì£¨Êµ¼ÊÉÏÖ¸´úÂëÔËÐе½Ê²Ã´µØ· ......