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
×÷ΪJava³ÌÐòÔ±À´Ëµ£¬×îÍ´¿àµÄÊÂÇéιýÓÚ¿ÉÒÔÑ¡ÔñµÄ·¶Î§Ì«¹ã£¬¿ÉÒÔ¶ÁµÄÊéÌ«¶à£¬ÍùÍùÈÝÒ×ÎÞËùÊÊ´Ó¡£ÎÒÏë¾ÍÎÒ×Ô¼º¶Á¹ýµÄ¼¼ÊõÊé¼®ÖÐÌôÑ¡³öÀ´Ò»Ð©£¬°´ÕÕѧϰµÄÏȺó˳Ðò£¬ÍƼö¸ø´ó¼Ò£¬ÌرðÊÇÄÇЩÏë²»¶ÏÌá¸ß×Ô¼º¼¼ÊõˮƽµÄJava³ÌÐòÔ±ÃÇ¡£
¡¡¡¡Ò»¡¢Java±à³ÌÈëÃÅÀà
¡¡¡¡¶ÔÓÚûÓÐJava±à³Ì¾ÑéµÄJava³ÌÐòÔ±ÒªÈëÃÅ£¬Ëæ±ã¶ÁʲôÈëÃÅÊé ......
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& ......
JavaỊ̈߳ºÏß³Ì״̬µÄת»»
SCJP5ѧϰ±Ê¼Ç
Ò»¡¢Ïß³Ì״̬
Ï̵߳Ä״̬ת»»ÊÇÏ߳̿ØÖƵĻù´¡¡£Ïß³Ì״̬×ܵĿɷÖΪÎå´ó״̬£º·Ö±ðÊÇÉú¡¢ËÀ¡¢¿ÉÔËÐС¢ÔËÐС¢µÈ´ý/×èÈû¡£ÓÃÒ»¸öͼÀ´ÃèÊöÈçÏ£º
1¡¢ÐÂ״̬£ºÏ̶߳ÔÏóÒѾ´´½¨£¬»¹Ã»ÓÐÔÚÆäÉϵ÷ÓÃstart()·½·¨¡£
2¡¢¿ÉÔËÐÐ״̬£ºµ±Ïß³ÌÓÐ× ......
JavaỊ̈߳ºÏ̵߳ĵ÷¶È-ÓÅÏȼ¶
ÓëÏß³ÌÐÝÃßÀàËÆ£¬Ï̵߳ÄÓÅÏȼ¶ÈÔÈ»ÎÞ·¨±£ÕÏÏ̵߳ÄÖ´ÐдÎÐò¡£Ö»²»¹ý£¬ÓÅÏȼ¶¸ßµÄÏ̻߳ñÈ¡CPU×ÊÔ´µÄ¸ÅÂʽϴó£¬ÓÅÏȼ¶µÍµÄ²¢·Çû»ú»áÖ´ÐС£
Ï̵߳ÄÓÅÏȼ¶ÓÃ1-10Ö®¼äµÄÕûÊý±íʾ£¬ÊýÖµÔ½´óÓÅÏȼ¶Ô½¸ß£¬Ä¬ÈϵÄÓÅÏȼ¶Îª5¡£
ÔÚÒ»¸öÏß³ÌÖпªÆôÁíÍâÒ»¸öÐÂỊ̈߳¬ÔòпªÏ̳߳ÆÎ ......