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Ïß³ÌÐÝÃßµÄÄ¿µÄÊÇʹÏß³ÌÈóöCPUµÄ×î¼òµ¥µÄ×ö·¨Ö®Ò»£¬Ïß³ÌÐÝÃßʱºò£¬»á½«CPU×ÊÔ´½»¸øÆäËûỊ̈߳¬ÒÔ±ãÄÜÂÖ»»Ö´ÐУ¬µ±ÐÝÃßÒ»¶¨Ê±¼äºó£¬Ï̻߳áËÕÐÑ£¬½øÈë×¼±¸×´Ì¬µÈ´ýÖ´ÐС£
 
Ïß³ÌÐÝÃߵķ½·¨ÊÇThread.sleep(long millis) ºÍThread.sleep(long millis, int nanos) £¬¾ùΪ¾²Ì¬·½·¨£¬Äǵ÷ÓÃsleepÐÝÃßµÄÄĸöÏß³ÌÄØ£¿¼òµ¥Ëµ£¬ÄĸöÏ̵߳÷ÓÃsleep£¬¾ÍÐÝÃßÄĸöÏ̡߳£
 
/**
* JavaỊ̈߳ºÏ̵߳ĵ÷¶È-ÐÝÃß
*
* @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());
                t1.start();
                t2.start();
        }
}
class
MyThread1 extends
Thread {
        public
void
run() {
                for
(int
i = 0; i < 3; i++) {
                        System.out.println("Ïß³Ì1µÚ"
+ i + "´ÎÖ´ÐУ¡"
);
                        try
{
           &n


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JavaÖ®¸¸James Gosling̸¼ÆËã»ú±à³ÌÒÕÊõ

2002Äê£¬ÖøÃûµÄ”Java2ÐéÄâ»úÄÚÄ»”×÷Õß¶ÔJavaÖ®¸¸Õ²Ä·Ë¹·¸ß˹ÁÖ½øÐÐÁË·Ã̸£¬Ì¸»°ÖУ¬¸ß˹ÁÖ¾ÍÈí¼þÉè¼ÆµÄ¸´ÔÓÐÔºÍËã·¨·¢±íÁËËûµÄһЩ¿´·¨¡£¶ÔÓÐÖ¾ÓÚ´ÓÊÂITÈí¼þÐÐÒµµÄͯЬÀ´Ëµ£¬ÌýÌýר¼ÒµÄÒâ¼û£¬Ó¦¸Ã»¹ÊDz»ÎÞñÔÒæµÄ¡£
JavaÖ®¸¸James Gosling
2002Äê3ÔÂ22ÈÕ£¬Bill Venners²É·ÃÁËJavaÖ®¸¸£¬Ì¸ÂÛÁËÓÐ¹ØÆóÒµÈ ......

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public class P {
public static void main(String[] args){
String pattern="000";
java.text.DecimalFormat df = new java.text.DecimalFormat(pattern);
int i = 10,j=6;
System.out.println("i="+df.format(i)+"\nj="+df.format(j));
}
}
---------------------Êä³ö-----------------------
i=010 ......

Javaʱ¼ä¼ÆËãÏÝÚå

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/**
 * javaʱ¼ä¼ÆËã(intºÍlongҪעÒ⣬һ¶¨ÒªÑ¡Ôñlong)
 * @author ´ÞÎÀ±ø
 *
 */
public class TimeTester {
   
    /**
     * ¼ÆË㼸ÌìǰµÄºÁÃëÊý
 & ......

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JavaʵÏÖÑ­»·¶ÓÁÐ

import java.io.*;
public class QueueArray {  
    Object[] a; //¶ÔÏóÊý×飬¶ÓÁÐ×î¶à´æ´¢a.length-1¸ö¶ÔÏó  
    int front;  //¶ÓÊ×ϱꠠ
    int rear;   //¶Óβϱꠠ
    public Qu ......
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