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JavaµÄmain·½·¨ÓëÀàµÄ¼ÓÔØµÄÁªÏµ

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      JavaµÄÀàÊÇÓõ½²Å¿ªÊ¼¼ÓÔØµÄ£¬²¢ÇÒÔÚÿ¸öÀàµÄ¹¹ÔìÆ÷µ÷ÓÃ֮ǰ£¬ÀàµÄÿ¸öÓò£¨³ÉÔ±±äÁ¿£©¶¼ÒªÊ×Ïȱ»±àÒëÆ÷³õʼ»¯Ò»´Î£¬È»ºó²ÅÂÖµ½¹¹ÔìÆ÷À´¸É»î¶ù¡£µ«ÊÇ£¬JavaµÄ³õʼ»¯ÊǶèÐԵģ¬ËüûÓÐC++¹¹Ô캯ÊýµÄ¿Á¿ÌµÄÒªÇó£¬Java±àÒëÆ÷»á±£Ö¤Ã¿¸ö±äÁ¿ÔÚʹÓÃ֮ǰ»á±»³õʼ»¯£¬Òò´ËJavaÖÐÖ»ÒªÇó³ÌÐòÔ±ÔÚºÏÊʵĵط½ÎªÀà³ÉÔ±¸øÒ»¸öÓÐЧµÄÖµ¼´¿É¡£
      Ò»¸östatic±äÁ¿ÔÚûÓÐÀàʵÀýµÄʱºòÒ²ÊÇ¿ÉÒÔʹÓõģ¬Õâ¾ÍÒªÇóstatic±ØÐ뱻ǡµ±µØ³õʼ»¯£¬Ò²¾ÍÊÇ˵£¬ÔÚ¹¹ÔìÆ÷µÄµ÷ÓÃ֮ǰ£¬¼ÓÔØÀàµÄʱºò£¬Java±àÒëÆ÷»áÔÊÐíJVMÔËÐÐÒ»¶Î´úÂ룬ÖÁÉÙ¿ÉÄÜ»áÓм¸ÐС£
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     ÿµ±Ö´ÐÐJava±àÒëÆ÷µÄʱºò£¬±àÒëÆ÷»áѰÕÒÖ¸¶¨µÄÀ࣬µ±ËüÕÒµ½Ààʱ£¬Ê×ÏÈÐèÒª³õʼ»¯static±äÁ¿£¬ÒòΪÕâЩ³ÉÔ±¿ÉÒÔÔÚûÓÐʵÀýµÄÇé¿öÏÂÔËÐУ¬½Ó×Å£¬ÔÙ°´ÕÕ±äÁ¿µÄÉùÃ÷˳ÐòÒÀ´Î³õʼ»¯ÀàµÄ³ÉÔ±£¬³ÉÔ±³õʼ»¯Íê±ÏÖ®ºó²ÅΪ×Ô¼ºµ÷Óù¹ÔìÆ÷£¬Ò»ÇнøÐÐÍê±ÏÖ ......

¸ø´ó¼Òдһ¸öjavaµÄ¼òµ¥µÄÕ»


import  java.util.*;
public class stack
{
         private List list=new ArrayList();
         private int index=0;
        public void push(Object obj)
       {
                 list.add(index,obj);
                 index++;
       }
        public Object pop()
       {
                 index--;
                 return list.get(index);
       }
}
ÒÔÉϾÍÊÇÒ»¸ö±È½Ï¼òµ¥µÄÕ»À²£¡ÖÁÓÚÆäËû¹ ......

java³ÌÐò~ÌìÊý


//ÊäÈëijÄêijÔÂijÌ죬Êä³öÕâÒ»ÌìÊÇÕâÒ»ÄêµÄµÚ¼¸Ìì
public class DaySum {
 public static void main(String[] args)
 {
  date da=new date();
  System.out.println(da.count(2008,12,31));
 }
 
}
class date
{
 int count(int  year,int month,int day)
 {
  int sum=0;
  if(month>0)
  {
   sum+=day;
  }
  if(month>1)
  {
   sum+=31;
  }
  if(month>2)
  {
   if(RunNian(year))
   {
    sum+=29;
   }
   else
   {
    sum+=28;
   }
  }
  if(month>3)
  {
   sum+=31;
   
  }
  if(month>4)
  {
   sum+=30;
   
  }
 &nb ......

³¬¼òµ¥³ÌÐò99³Ë·¨±í£¨java£©

public class chengfa {
 public static void main(String[] args)
 {
  model md=new model();
  
  md.method();
  
  
 }
}
class model
{
 public int count=0;
 public int[]b=new int[100];
 
 public void method()
 {
  for(int i=1;i<=9;i++,count++)
  {
   for(int j=1;j<=i;j++)
    System.out.print(i+"*"+j+"="+i*j+" ");
   System.out.println();
  }
  
        
 }
} ......

Ïêϸ½âÎöJavaÖгéÏóÀàºÍ½Ó¿ÚµÄÇø±ð

      ÔÚJavaÓïÑÔÖУ¬ abstract class ºÍinterface ÊÇÖ§³Ö³éÏóÀඨÒåµÄÁ½ÖÖ»úÖÆ¡£ÕýÊÇÓÉÓÚÕâÁ½ÖÖ»úÖÆµÄ´æÔÚ£¬²Å¸³ÓèÁËJavaÇ¿´óµÄ ÃæÏò¶ÔÏóÄÜÁ¦¡£abstract classºÍinterfaceÖ®¼äÔÚ¶ÔÓÚ³éÏóÀඨÒåµÄÖ§³Ö·½Ãæ¾ßÓкܴóµÄÏàËÆÐÔ£¬ÉõÖÁ¿ÉÒÔÏà»¥Ìæ»»£¬Òò´ËºÜ¶à¿ª·¢ÕßÔÚ½ø ÐгéÏóÀඨÒåʱ¶ÔÓÚabstract classºÍinterfaceµÄÑ¡ÔñÏԵñȽÏËæÒâ¡£Æäʵ£¬Á½ÕßÖ®¼ä»¹ÊÇÓкܴóµÄÇø±ðµÄ£¬¶ÔÓÚËüÃǵÄÑ¡ÔñÉõÖÁ·´Ó³³ö¶Ô ÓÚÎÊÌâÁìÓò±¾ÖʵÄÀí½â¡¢¶ÔÓÚÉè¼ÆÒâͼµÄÀí½âÊÇ·ñÕýÈ·¡¢ºÏÀí¡£±¾ÎĽ«¶ÔËüÃÇÖ®¼äµÄÇø±ð½øÐÐÒ»·¬ÆÊÎö£¬ÊÔͼ¸ø¿ª·¢ÕßÌṩһ¸öÔÚ¶þÕßÖ®¼ä½øÐÐÑ¡ÔñµÄÒÀ¾Ý¡£
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¡¡¡¡abstract classºÍinterfaceÔÚJavaÓïÑÔÖж¼ÊÇÓÃÀ´½øÐгéÏóÀࣨ±¾ÎÄ ÖеijéÏóÀಢ·Ç´Óabstract class·­Òë¶øÀ´£¬Ëü±íʾµÄÊÇÒ»¸ö³éÏóÌ壬¶øabstract classΪJavaÓïÑÔÖÐÓÃÓÚ¶¨Òå³éÏóÀàµÄÒ»ÖÖ·½·¨£¬ Çë¶ÁÕß×¢ÒâÇø·Ö£©¶¨ÒåµÄ£¬ÄÇôʲôÊdzéÏóÀ࣬ʹÓóéÏóÀàÄÜΪÎÒÃÇ´øÀ´Ê²Ã´ºÃ´¦ÄØ£¿
¡¡¡¡ÔÚ ÃæÏò¶ÔÏóµÄ¸ÅÄîÖУ¬ÎÒÃÇÖªµÀËùÓеĶÔÏó¶¼ÊÇͨ¹ýÀàÀ´Ãè»æµÄ£¬µ«ÊÇ·´¹ýÀ´È´²»ÊÇÕâÑù¡£²¢²»ÊÇ ËùÓеÄÀà¶¼ÊÇÓÃÀ´Ãè»æ¶ÔÏóµÄ£¬Èç¹ûÒ»¸öÀàÖÐûÓаüº¬×ã¹»µÄÐÅÏ¢À´Ãè»æÒ»¸ö¾ßÌåµÄ¶ÔÏó£¬ÕâÑùµÄÀà¾ÍÊdzéÏó ......

java servlet

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     ÓÃJSP + Servlet + JavaBean¿ª·¢ÏîÄ¿£¬ Ô­ÒÔΪÊDZȽÏÔã¸âµÄÊ£¬ ÒòΪ£¬JSP Ò³ÃæÖÐ ×ܻᱻǶÈëºÜ¶à java´úÂ룬ÆäʵÎÒÒ»Ö±¾õµÃ£¬¼ÈÈ»ÓÐÁË strutsµÈ±íʾ²ã¿ò¼Ü£¬¾Í²»ÒªÓÃServlet À´×ö¿ØÖÆÆ÷ÁË£¬ ¿ÉÊÇ×î½ü£¬Ã÷°×ÁË£¬  ×ÐϸÏëÏ룬¸ö¸öÓиöµÄºÃ´¦°É£¬¶ÔÓÚСϵͳÏîÄ¿£¬ ÆäʵÓà JSP + Servlet + JavaBaen ÊǼþºÜºÃµÄÊ£¬ ¼òµ¥£¬ÇÒºÃÉÏÊÖ£¬Ã»ÓÐÅäÖÃÎļþµÄ·±ËöÎÊÌâÁË£¡
       ÔÚÓÃServlet×ö¿ØÖÆÆ÷µÄ¹ý³ÌÖУ¬¾­³£»áÓõ½ÔÚServletÀïÐ´Ò³ÃæÌø×ªµÄÓï¾ä£º
×ܽáÈçÏÂ:
     µÚÒ»ÖÖ:
                   String url = "index.jsp";
                   ServletContext sc = getServletContext();      //»ñÈ¡ÉÏÏÂÎÄ
               ......
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