JavaỊ̈߳ºÐÂÌØÕ÷ Ô×ÓÁ¿
JavaỊ̈߳ºÐÂÌØÕ÷-Ô×ÓÁ¿
ËùνµÄÔ×ÓÁ¿¼´²Ù×÷±äÁ¿µÄ²Ù×÷ÊÇ“Ô×ӵĔ£¬¸Ã²Ù×÷²»¿ÉÔÙ·Ö£¬Òò´ËÊÇḬ̈߳²È«µÄ¡£
ΪºÎҪʹÓÃÔ×Ó±äÁ¿ÄØ£¬ÔÒòÊǶà¸öÏ̶߳Ե¥¸ö±äÁ¿²Ù×÷Ò²»áÒýÆðһЩÎÊÌâ¡£ÔÚJava5֮ǰ£¬¿ÉÒÔͨ¹ývolatile¡¢synchronized¹Ø¼ü×ÖÀ´½â¾ö²¢·¢·ÃÎʵݲȫÎÊÌ⣬µ«ÕâÑùÌ«Âé·³¡£
Java5Ö®ºó£¬×¨ÃÅÌṩÁËÓÃÀ´½øÐе¥±äÁ¿¶àÏ̲߳¢·¢°²È«·ÃÎʵŤ¾ß°üjava.util.concurrent.atomic£¬ÆäÖеÄÀàÒ²ºÜ¼òµ¥¡£
ÏÂÃæ¸ø³öÒ»¸ö·´ÃæÀý×Ó£¨ÇÐÎðÄ£·Â£©£º
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicLong;
/**
* JavaỊ̈߳ºÐÂÌØÕ÷-Ô×ÓÁ¿
*
* @author leizhimin 2009-11-6 9:53:11
*/
public class Test {
public static void main(String[] args) {
ExecutorService pool = Executors.newFixedThreadPool(2);
Runnable t1 = new MyRunnable("ÕÅÈý", 2000);
Runnable t2 = new MyRunnable("ÀîËÄ", 3600);
Runnable t3 = new MyRunnable("ÍõÎå", 2700);
Runnable t4 = new MyRunnable("ÀÏÕÅ", 600);
Runnable t5 = new MyRunnable("ÀÏÅ£", 1300);
Runnable t6 = new MyRunnable("ÅÖ×Ó", 800);
//Ö´Ðи÷¸öÏß³Ì
pool.execute
Ïà¹ØÎĵµ£º
1. Java¶ÁÈ¡Excel·½Ê½¶Ô±È
ÔÚJavaÖжÁдMS ExcelÎļþÖ÷ÒªÓÐÁ½ÖÖµäÐ͵ķ½·¨
l Java-To-ComµÄ·½Ê½£º
£¨£±£© jCom
£¨£²£© Jacob
l Ö±½ÓExcelÎļþ¶Áд
£¨£³£© jExcel
£¨£´£©&nbs ......
JavaỊ̈߳º²¢·¢Ð×÷-ËÀËø
Ï̷߳¢ÉúËÀËø¿ÉÄÜÐÔºÜС£¬¼´Ê¹¿´ËÆ¿ÉÄÜ·¢ÉúËÀËøµÄ´úÂ룬ÔÚÔËÐÐʱ·¢ÉúËÀËøµÄ¿ÉÄÜÐÔÒ²ÊÇС֮ÓÖС¡£
·¢ÉúËÀËøµÄÔÒòÒ»°ãÊÇÁ½¸ö¶ÔÏóµÄËøÏ໥µÈ´ýÔì³ÉµÄ¡£
ÔÚ¡¶JavaỊ̈߳ºÏ̵߳Äͬ²½ÓëËø¡·Ò»ÎÄÖУ¬¼òÊöËÀËøµÄ¸ÅÄîÓë¼òµ¥Àý×Ó£¬µ«ÊÇËù¸øµÄÀý×ÓÊDz»ÍêÕûµÄ£¬ÕâÀï¸ø³öÒ»¸öÍêÕûµÄÀ ......
JavaỊ̈߳ºvolatile¹Ø¼ü×Ö
Java™ ÓïÑÔ°üº¬Á½ÖÖÄÚÔÚµÄͬ²½»úÖÆ£ºÍ¬²½¿é£¨»ò·½·¨£©ºÍ volatile ±äÁ¿¡£ÕâÁ½ÖÖ»úÖƵÄÌá³ö¶¼ÊÇΪÁËʵÏÖ´úÂëÏ̵߳ݲȫÐÔ¡£ÆäÖÐ Volatile ±äÁ¿µÄͬ²½ÐԽϲµ«ÓÐʱËü¸ü¼òµ¥²¢ÇÒ¿ªÏú¸üµÍ£©£¬¶øÇÒÆäʹÓÃÒ²¸üÈÝÒ׳ö´í¡£
̸¼°µ½volatile¹Ø¼ü×Ö£¬²»µÃ²»ÌáµÄһƪÎÄÕÂÊÇ£º¡¶Java ......
JavaỊ̈߳ºÐÂÌØÕ÷-Ï̳߳Ø
SunÔÚJava5ÖУ¬¶ÔJavaÏ̵߳ÄÀà¿â×öÁË´óÁ¿µÄÀ©Õ¹£¬ÆäÖÐÏ̳߳ؾÍÊÇJava5µÄÐÂÌØÕ÷Ö®Ò»£¬³ýÁËÏ̳߳ØÖ®Í⣬»¹Óкܶà¶àÏß³ÌÏà¹ØµÄÄÚÈÝ£¬Îª¶àÏ̵߳ıà³Ì´øÀ´Á˼«´ó±ãÀû¡£ÎªÁ˱àд¸ßЧÎȶ¨¿É¿¿µÄ¶àÏ̳߳ÌÐò£¬Ï̲߳¿·ÖµÄÐÂÔöÄÚÈÝÏÔµÃÓÈΪÖØÒª¡£
ÓйØJava5Ïß³ÌÐÂÌØÕ÷µÄÄÚÈÝÈ«²¿ÔÚjava.util ......
JavaỊ̈߳ºÐÂÌØÕ÷-Ëø£¨Ï£©
ÔÚÉÏÎÄÖÐÌáµ½ÁËLock½Ó¿ÚÒÔ¼°¶ÔÏó£¬Ê¹ÓÃËü£¬ºÜÓÅÑŵĿØÖÆÁ˾ºÕù×ÊÔ´µÄ°²È«·ÃÎÊ£¬µ«ÊÇÕâÖÖËø²»Çø·Ö¶Áд£¬³ÆÕâÖÖËøΪÆÕͨËø¡£ÎªÁËÌá¸ßÐÔÄÜ£¬JavaÌṩÁ˶ÁдËø£¬ÔÚ¶ÁµÄµØ·½Ê¹ÓöÁËø£¬ÔÚдµÄµØ·½Ê¹ÓÃдËø£¬Áé»î¿ØÖÆ£¬ÔÚÒ»¶¨³Ì¶ÈÉÏÌá¸ßÁ˳ÌÐòµÄÖ´ÐÐЧÂÊ¡£
JavaÖжÁдËøÓиö½Ó¿Újava ......