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

Core Java Diaries

                                       Ïß³Ì
1---Ëø¶ÔÏóµÄ·½·¨----obj.wait()----obj.notify()----Õë¶Ôµ±Ç°Ïß³Ì
& ......

java¿ª·¢ÖÐMysqlÖÐÎÄÂÒÂëÎÊÌâµÄ½â¾ö

     MysqlÔÚĬÈÏÇé¿öϽ¨Á¢±íµÄ×Ö·û±àÂëÊÇlatin1£¬ËùÒÔÔÚ²åÈëÖÐÎÄʱ»á³ö´í¡£
eg£º
1¡¢²é¿´±í½¨Á¢µÄsqlÔ´Â룺
1: sqlÃüÁshow create table users
2:
3: ½á¹û£º
4: CREATE TABLE `users` (
5: `userID` int(10) unsigned NOT NULL AUTO_INCREMENT,
6: `userName` varchar(4 ......

¶¨ÖÆÓëÀ©Õ¹Java¼¯ºÏ¿ò¼Ü

 ¸ÅÒª£ºJava¼¯ºÏAPIÔ¶²»Ö¹ÊÇÊý×éµÄÌæ´úÆ·£¬¾¡¹ÜÄÇÊÇÒ»¸ö²»»µµÄÈÏÖªÆðµã¡£Ted NewardչʾÁË5¸öÄܸü´óÀûÓü¯ºÏ¿ò¼ÜµÄÇÏÃÅ£¬°üº¬Ò»¸ö¶¨ÖƲ¢À©Õ¹Java¼¯ºÏAPIµÄÈëÃż¶Ó¦Óá£
    ¶ÔÓÚÐí¶àJava¿ª·¢Õß¶øÑÔ£¬Java¼¯ºÏAPIÊDZê×¼µÄJavaÊý×é¼°ÆäÈ«²¿È±µãµÄ±ØÒªÌæ´úÆ·¡£½«¼¯ºÏ¿ò¼ÜÖ÷ÒªÓëArrayListÁªÏµÆðÀ´²¢²»ÊÇÒ ......

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