Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java HttpClient PostʵÀý

private void postMethod(String url) throws IOException
 {    
  url = "http://www.newsmth.net/bbslogin2.php";
  PostMethod postMethod = new PostMethod(url);
  // ÌîÈë¸÷¸ö±íµ¥ÓòµÄÖµ
  NameValuePair[] data = { new NameValuePair("id", "herrapfel"),new NameValuePair("passwd", "") };
  // ½«±íµ¥µÄÖµ·ÅÈëpostMethodÖÐ
  postMethod.setRequestBody(data);
  // Ö´ÐÐpostMethod
  int statusCode = httpClient.executeMethod(postMethod);
  System.out.println(" status code:" + statusCode);
  // HttpClient¶ÔÓÚÒªÇó½ÓÊܺó¼Ì·þÎñµÄÇëÇó£¬ÏóPOSTºÍPUTµÈ²»ÄÜ×Ô¶¯´¦Àíת·¢
 
if(statusCode == HttpStatus.SC_OK)
  {
   StringBuffer contentBuffer = new StringBuffer();
   InputStream in = postMethod.getResponseBodyAsStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(in,postMethod.getResponseCharSet()));
            String inputLine = null;
            while((inputLine = reader.readLine()) != null)
            {
             contentBuffer.append(inputLine);
             System.out.println("input line:"+ inputLine);
             contentBuffer.append("/n");
            }
            in.close();
  }
  else if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY)
  {
      // ´


Ïà¹ØÎĵµ£º

JavaỊ̈߳ºÏ̵߳ĵ÷¶È Èò½

JavaỊ̈߳ºÏ̵߳ĵ÷¶È-Èò½
 
Ï̵߳ÄÈò½º¬Òå¾ÍÊÇʹµ±Ç°ÔËÐÐ×ÅÏß³ÌÈóöCPU×ÊÔ´£¬µ«ÊÇÈ»¸øË­²»ÖªµÀ£¬½ö½öÊÇÈóö£¬Ïß³Ì״̬»Øµ½¿ÉÔËÐÐ״̬¡£
 
Ï̵߳ÄÈò½Ê¹ÓÃThread.yield()·½·¨£¬yield() Ϊ¾²Ì¬·½·¨£¬¹¦ÄÜÊÇÔÝÍ£µ±Ç°ÕýÔÚÖ´ÐеÄÏ̶߳ÔÏ󣬲¢Ö´ÐÐÆäËûÏ̡߳£
 
/**
* JavaỊ̈߳ºÏ̵߳ĵ÷¶È-Èò½
*
......

java transient¼ò½é

 ÎÒÃǶ¼ÖªµÀÒ»¸ö¶ÔÏóֻҪʵÏÖÁËSerilizable½Ó¿Ú£¬Õâ¸ö¶ÔÏó¾Í¿ÉÒÔ±»ÐòÁл¯£¬javaµÄÕâÖÖÐòÁл¯Ä£Ê½Îª¿ª·¢ÕßÌṩÁ˺ܶà±ãÀû£¬ÎÒÃÇ¿ÉÒÔ²»±Ø¹Øϵ¾ßÌåÐòÁл¯µÄ¹ý³Ì£¬Ö»ÒªÕâ¸öÀàʵÏÖÁËSerilizable½Ó¿Ú£¬Õâ¸öµÄËùÓÐÊôÐԺͷ½·¨¶¼»á×Ô¶¯ÐòÁл¯¡£
       È»¶øÔÚʵ¼Ê¿ª·¢¹ý³ÌÖУ¬ÎÒÃdz£³£»áÓöµ½ÕâÑ ......

JavaÄÚ´æÄ£ÐÍ

ÔÚÁ˽âJavaµÄͬ²½ÃØÃÜ֮ǰ£¬ÏÈÀ´¿´¿´JMM(Java Memory Model)¡£
Java±»Éè¼ÆΪ¿çƽ̨µÄÓïÑÔ£¬ÔÚÄÚ´æ¹ÜÀíÉÏ£¬ÏÔȻҲҪÓÐÒ»¸öͳһµÄÄ£ÐÍ¡£¶øÇÒJavaÓïÑÔ×î´óµÄÌصã¾ÍÊǷϳýÁËÖ¸Õ룬°Ñ³ÌÐòÔ±´ÓÍ´¿àÖнâÍѳöÀ´£¬²»ÓÃÔÙ¿¼ÂÇÄÚ´æʹÓú͹ÜÀí·½ÃæµÄÎÊÌâ¡£
¿ÉϧÊÀÊÂ×ܲ»¾¡ÈçÈËÒ⣬ËäÈ»JMMÉè¼ÆÉÏ·½±ãÁ˳ÌÐòÔ±£¬µ«ÊÇËüÔö¼ÓÁËÐéÄâ»úµÄ¸ ......

ѧϰjavaµÄ30¸öÄ¿±ê

1.ÄãÐèÒª¾«Í¨ÃæÏò¶ÔÏó·ÖÎöÓëÉè¼Æ(OOA/OOD)¡¢É漰ģʽ(GOF£¬J2EEDP)ÒÔ¼°×ÛºÏģʽ¡£ÄãÓ¦¸ÃÊ®·ÖÁ˽âUML£¬ÓÈÆäÊÇ
class£¬object£¬interactionÒÔ¼°statediagrams¡£

¡¡¡¡2.ÄãÐèҪѧϰJAVAÓïÑԵĻù´¡ÖªÊ¶ÒÔ¼°ËüµÄºËÐÄÀà¿â
(collections£¬serialization£¬streams£¬networking£¬  
multithreading£¬reflection£¬event£ ......

¶¯Ì¬ProxyÓëJava ACLÓû§·ÃÎÊ¿ØÖÆ»úÖÆʵÏÖ

Óû§·ÃÎÊ¿ØÖÆ(Access control )»úÖÆ×ÜÊÇΧÈÆ´ÖÁ£¶ÈºÍϸÁ£¶ÈÁ½¸ö·½ÃæÀ´ÌÖÂÛ£º
¡¡¡¡´ÖÁ£¶È¿ØÖÆ£º¿ÉÒԹ涨·ÃÎÊÕû¸ö¶ÔÏó»ò¶ÔÏóȺµÄij¸ö²ã£¬¶øϸÁ£¶È¿ØÖÆÔò×ÜÊÇÔÚ·½·¨»òÊôÐÔ²ã½øÐпØÖÆ£¬±ÈÈ磺
¡¡¡¡´ðÓ¦Ò»¸öÎļþΪֻ¶ÁÊÇÊôÓÚ´ÖÁ£¶È¿ØÖÆ£¬¶ø´ðÓ¦¶ÔÕâ¸öÎļþijÐÐÓÐд²Ù×÷ÔòÊôÓÚϸÁ£¶È¿ØÖÆ¡£
¡¡¡¡Ò»¸öºÃµÄÓû§¿ØÖÆ»úÖƵ±È»¼È´ðÓ¦ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ