Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

[JAVA] Éî¿Ë¡ ÁíÍâʵÏÖ·½·¨¡¾ÐòÁл¯¡¿

private static List cloneObject(
   Object obj) throws Exception {
  ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
  ObjectOutputStream out = new ObjectOutputStream(byteOut);
  out.writeObject(obj);
  ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut
    .toByteArray());
  ObjectInputStream in = new ObjectInputStream(byteIn);
  return  in.readObject();
 }


Ïà¹ØÎĵµ£º

java·´ÉäÖ®´´½¨ÊµÀý

  ΪÁË×öµ½Ê¹µÃ³ÌÐò¾ßÓиü¸ßµÄÁé»îÐÔ£¬¿ÉÅäÖÃÐÔ£¬ÔÚ¿ª·¢ÖÐÎÒÃǾ­³£ÀûÓ÷´ÉäÀ´´´½¨Ò»¸öÀàµÄʵÀý£¬Ò²¾ÍÊÇ»ñµÃÒ»¸öÀàµÄÒ»¸ö¶ÔÏó£¡Í¨³£µÄ×ö·¨ÊÇͨ¹ýclass.newInstance»ñµÃ£»µ«ÕâÖÖ·½·¨ÓÐÒ»¸ö²»ºÃµÄµØ·½£¬ÄǾÍÊÇËûÖ»ÄÜ´´½¨Î޲ι¹ÔìÆ÷µÄ¶ÔÏó£¬Èç¹û¹¹ÔìÆ÷ÓвÎÊýÄÇËüÊÇÎÞÄÜΪÁ¦µÄ£»½â¾öµÄ·½·¨¾ÍÊÇ ÏÈͨ¹ý¸ÃÀàµÄClass»ñµÃ´øÓвΠ......

ÀûÓÃJAVAÏòOracleÊý¾Ý¿âÖвåÈë´ó¶ÔÏó

ͨ¹ýJDBC£¬ÎÒÃÇ¿ÉÒÔÏòoracle²åÈë´ó¶ÔÏó£¬ÈçͼƬ£¬ÒôƵ£¬³¤Îı¾µÈ£¬Æä²åÈë·½·¨Óкܶ࣬ÕâÀïÑÝʾһÏÂͨ¹ýÁ÷¸üиüеÄÐÎʽ²åÈëCLOB´ó¶ÔÏó¡£
ÕâÊÇÒ»¸ö´æ´¢Îı¾µÄÀý×Ó£¬½âÊÍÎÒ»áÔÚ³ÌÐòÖÐÒÔ×¢Ê͵ÄÐÎʽд³ö
/**
  * ½«Éú³ÉµÄ±íÑù´æ´¢µ½Êý¾Ý¿â
  *
  * @param htmlParam
  * @return
  */
  ......

Õë¶ÔJava¿ª·¢³ÌÐòµÄ±£»¤·½·¨

java¿ª·¢µÄ³ÌÐòµÄ±£»¤
 
 
 
ÖÚËùÖÜÖª£¬javaΪ¿ª·¢ÓïÑÔÌṩÁ˺ܷ½±ãµÄ¿ª·¢Æ½Ì¨£¬µ«¿ª·¢³öÀ´µÄ³ÌÐòºÜÈÝÒ×ÔÚ²»Í¬µÄƽ̨ÉÏÃæ±»ÒÆÖ²£¬ÏÖÔÚÔ½À´Ô½¶àµÄÈËʹÓÃËü¿ª·¢Èí¼þ¡£
      JavaÓÐËü·½±ãµÄÒ»¸ö·½Ã棬µ«ËüͬʱҲ´ø¸øÁË¿ª·¢ÕßÒ»¸ö·³ÄÕ£¬Õâ¾ÍÊDZ£»¤µÄ°ì·¨²»¶à£¬¶øÇÒ´ó¶àÊý²»ÊǺܺ ......

java ¼Ì³ÐÖеĹ¹Ôì·½·¨


²Î¿¼´úÂë:
class SuperClass {
private int n;

SuperClass() {
System.out.println("SuperClass()");
}

SuperClass(int n) {
System.out.println("SuperClass(" + n + ")");
this.n = n;
}
}
class SubClass extends SuperClass {
private int n ......

JAVA¶ÁÈ¡Íⲿ×ÊÔ´µÄ·½·¨

ÔÚjava´úÂëÖо­³£ÓжÁÈ¡Íⲿ×ÊÔ´µÄÒªÇó:ÈçÅäÖÃÎļþµÈµÈ,ͨ³£»á°ÑÅäÖÃÎļþ·ÅÔÚclasspathÏ»òÕßÔÚwebÏîÄ¿ÖзÅÔÚweb-infÏÂ.
1.´Óµ±Ç°µÄ¹¤×÷Ŀ¼ÖжÁÈ¡:
        try {
            BufferedReader in = new BufferedReader(new InputStreamRea ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ