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Java ÈÕÆÚ¼Ó減

public static void main(String[] args) {
   String DATE_FORMAT = "yyyy-MM-dd";
   java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
     DATE_FORMAT);
   Calendar c1 = Calendar.getInstance();
   c1.set(1999, 0, 14);
   System.out.println("Date    is    :    " + sdf.format(c1.getTime()));
   c1.add(Calendar.DATE, 366);
   System.out.println("Date    +    366    days    is    :    "
     + sdf.format(c1.getTime()));
   System.out.println("----------------------------");
  
   c1.set(1999, 0, 31);
   System.out.println("Date    is    :    " + sdf.format(c1.getTime()));
   c1.roll(Calendar.MONTH, false); // Ô·ݼõÈ¥Ò»¸öÔ£¬true Ϊ¼ÓÒ»¸öÔ£¬Äê¡¢ÈÕ²»¶¯
   System.out.println("Date    roll    down    1    month    :    "
     + sdf.format(c1.getTime()));
   c1.set(1999, 2, 31);
   System.out.println("Date    is    :    " + sdf.format(c1.getTime()));
   c1.add(Calendar.MONTH, -1); // Ô·ݼõÈ¥Ò»¸öÔÂ
   System.out.println("Date    minus    1    month    :    "
     + sdf.format(c1.getTime()));
}


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ÎļþÃû£ºSjis.java
   class Sj
{
  public static void main(String[] args)
{
}
}
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Java¶Ô¶àÏ̵߳ÄÖ§³ÖÓëͬ²½»úÖÆÉîÊÜ´ó¼ÒµÄϲ°®£¬Ëƺõ¿´ÆðÀ´Ê¹ÓÃÁËsynchronized¹Ø¼ü×־ͿÉÒÔÇáËɵؽâ¾ö¶àÏ̹߳²ÏíÊý¾Ýͬ²½ÎÊÌâ¡£µ½µ×ÈçºÎ£¿¨D¨D»¹µÃ¶Ôsynchronized¹Ø¼ü×ÖµÄ×÷ÓýøÐÐÉîÈëÁ˽â²Å¿É¶¨ÂÛ¡£ ×ܵÄ˵À´£¬synchronized¹Ø¼ü×Ö¿ÉÒÔ×÷Ϊº¯ÊýµÄÐÞÊηû£¬Ò²¿É×÷Ϊº¯ÊýÄÚµÄÓï¾ä£¬Ò ......

java תjson

commons-beanutils-1.8.0.jar²»¼ÓÕâ¸ö°ü
java.lang.NoClassDefFoundError: org/apache/commons/beanutils/DynaBean
commons-collections.jar ²»¼ÓÕâ¸ö°ü
java.lang.NoClassDefFoundError: org/apache/commons/collections/map/ListOrderedMap
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import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class j5_13 extends Applet implements ActionListener
{
  Panel p=new Panel();//н¨²¼¾Ö
  Label welcome,la1,li1,la2,li2,lresult;//Ìáʾ±êÇ©,·ûºÅ±êÇ©ÒÔ¼°¼ÆËã½á¹ûµÄ±êÇ©
  TextField ta,tb,t ......

JavaµÄAWT

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