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import java.util.concurrent.Semaphore;
/**
* ³éÏóÈÎÎñ£¬¾ßÌåµÄÖ´ÐÐÈÎÎñ£¬¹éʵÏÖÀฺÔð
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* @author Administrator
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*/
public abstract class Task {
public abstract void run();
private Semaphore s;
private boolean hasExisted = false;
public void P(final Semaphore s) throws Interrupt ......

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import java.util.Date;
import java.text.SimpleDateFormat; //ΪÁËÏÔʾʱ¼ä¶ø¼Ó
Date date = new Date(); //»ñµÃϵͳʱ¼ä.
String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date);
//½«Ê±¼ä¸ñʽת»»³É·ûºÏTimestampÒªÇóµÄ¸ ......

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ÈçºÎÍ£Ö¹javaµÄÏß³ÌÒ»Ö±ÊÇÒ»¸öÀ§ÄÕÎÒÃÇ¿ª·¢¶àÏ̳߳ÌÐòµÄÒ»¸öÎÊÌâ¡£Õâ¸öÎÊÌâ×îÖÕÔÚJava5µÄjava.util.concurrentÖеõ½Á˻شð£ºÊ¹ÓÃinterrupt()£¬ÈÃÏß³ÌÔÚrun·½·¨ÖÐÍ£Ö¹¡£ ¼ò½é ÔÚJavaµÄ¶àÏ̱߳à³ÌÖУ¬java.lang.ThreadÀàÐͰüº¬ÁËһЩÁеķ½·¨start(), stop(), stop(Throwable) and suspend(), destroy() and resume()¡£Í¨¹ ......

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String usrHome = System.getProperty("user.home");
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JSR82 Bluetooth in Java²Î¿¼×ÊÁÏ

Wireless Application Programming with J2ME and Bluetooth
1. http://developers.sun.com/mobility/midp/articles/bluetooth1/
Part II: The Java APIs for Bluetooth Wireless Technology
2. http://developers.sun.com/mobility/midp/articles/bluetooth2/
JSR 82: JavaTM APIs for Bluetooth
3. http://www.jcp.o ......
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