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
java -verbose[:class|gc|jni] ÔÚÊä³öÉ豸ÉÏÏÔʾÐéÄâ»úÔËÐÐÐÅÏ¢¡£
1.java -verbose:class
ÔÚ³ÌÐòÔËÐеÄʱºò¾¿¾¹»áÓжàÉÙÀà±»¼ÓÔØÄØ£¬Ò»¸ö¼òµ¥³ÌÐò»á¼ÓÔØÉϰٸöÀàµÄ£¡Äã¿ÉÒÔÓÃverbose:classÀ´¼àÊÓ£¬ÔÚÃüÁîÐÐÊäÈëjava -verbose:class XXX (XXXΪ³ÌÐòÃû)Äã»áÔÚ¿ØÖÆÌ¨¿´µ½¼ÓÔØµÄÀàµÄÇé¿ö¡£
verboseºÍverbose:cla ......
´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 ......
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× ......
JavaỊ̈߳ºÏ̵߳Äͬ²½ÓëËø
Ò»¡¢Í¬²½ÎÊÌâÌá³ö
Ï̵߳Äͬ²½ÊÇΪÁË·ÀÖ¹¶à¸öÏ̷߳ÃÎÊÒ»¸öÊý¾Ý¶ÔÏóʱ£¬¶ÔÊý¾ÝÔì³ÉµÄÆÆ»µ¡£
ÀýÈ磺Á½¸öÏß³ÌThreadA¡¢ThreadB¶¼²Ù×÷ͬһ¸ö¶ÔÏóFoo¶ÔÏ󣬲¢ÐÞ¸ÄFoo¶ÔÏóÉϵÄÊý¾Ý¡£
public class Foo {
private int x = 100;
......