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

JavaÄÚ´æÊÍ·ÅÐĵÃ

1 Èç¹ûÒ»¿éÄÚ´æÇøÓòÄܹ»Öظ´ÀûÓã¬×îºÃ²»ÒªÉêÇëеġ£Õâ¸öÄÚ´æÇøÓòÓпÉÄÜÊÇϵͳµÄÒ»¸öÀ࣬×Ô¼ºµÄÒ»¸öÄÚ²¿ÓÐÊý×éÔªËØ£¬»òÕßÄܹ»·Å´óÁ¿Êý¾ÝµÄ½á¹¹¡£
2 ×îºÃ²»ÒªÔÚÑ­»·ÀïÃæÉêÇëÄڴ棬ѭ»·Ô½´ó£¬Ô½»µÊ¡£»»¾ä»°Ëµ£¬ÉêÇëÄÚ´æÆµÂʱðÌ«¸ß¡£ºÃ±ÈÒ»¸öÈËÿ¶Ù³ÔÁ½Íë·¹ÕýºÃ£¬ÉíÌåµÄÏû»¯ÏµÍ³¿ÉÒÔ³ÐÊÜ£¬Èç¹ûÈÃËûÒ»¶Ù°ÑÊ®¶ÙµÄ¶¼³Ôµô£¬²»ÕÍËÀ²Å¹Ö£¡
3 ÈÃÿ¸öʵÀý¶ÔÏóµÄÉúÃüÖÜÆÚ¾¡Á¿¶ÌһЩ£¬ÓÈÆäÊÇÄÇЩҪռÓôóÄÚ´æµÄ¡£ÒòΪÀ¬»øÊÕ¼¯Æ÷µÄËã·¨ÓÅÏÈ¿¼ÂÇÄÇЩÉúÃüÖÜÆÚ¶ÌµÄ¡£ºÍ¶àÈÎÎñ²Ù×÷ϵͳµ÷¶È½ø³Ì£¬·ÖÅäcpuµÄÔ­ÀíÀàËÆ¡£
4 ¶ÔÒ»¿é´óµÄÄÚ´æµÄÒýÓòã´Î²»ÒªÅªµÃÌ«¸´ÔÓ£¬À¬»øÊÕ¼¯Æ÷¶ÔÕâÖÖÀàÐ͵ÄÄÚ´æ¿ìÊÕ¼¯ÆðÀ´£¬Ò²ÊDZȽÏÂéľµÄ¡£
5 Ñø³ÉºÃϰ¹ß£¬²»ÓõĶÔÏóÏÔʽÉèÖóÉnull¡£ÔÚÏ£ÍûÊÕ¼¯²ã´Î±È½Ï¸´ÔӵĶÔÏóµÄʱºò£¬ÏȽ«¸Ã¶ÔÏóÄÚ²¿±£´æµÄÆäËûÒýÓö¼ÖÃnullÁË£¬Ð§¹û»áºÃһЩ¡£
6 ×îºóÒ»ÕУ¬Ê¹ÓÃÈõÒýÓã¬ÐéÒýÓᣲ»¹ý£¬Ò»°ã³öÁËÄÚ´æÎÊÌ⣬¶¼ÊÇǰ5Ìõ×öµÃ²»ºÃ£¬ÐèÒªÓõ½6µÄÉÙÖ®ÓÖÉÙ¡£


Ïà¹ØÎĵµ£º

JavaºËÐÄAPIÐèÒªÕÆÎյij̶È


JavaµÄºËÐÄAPIÊǷdz£ÅÓ´óµÄ,Õâ¸ø¿ª·¢ÕßÀ´Ëµ´øÀ´Á˺ܴóµÄ·½±ã£¬¾­³£ÈËÓÐÆÀÂÛ,javaÈóÌÐòÔ±±äɵ¡£
µ«ÊÇһЩÄÚÈÝÎÒÈÏΪÊDZØÐëÕÆÎյ쬷ñÔò²»¿ÉÒÔÊìÁ·ÔËÓÃjava£¬Ò²²»»áʹÓþͺÜÄѰìÁË¡£
1¡¢java.lang°üϵÄ80£¥ÒÔÉϵÄÀàµÄ¹¦ÄܵÄÁé»îÔËÓá£
2¡¢java.util°üϵÄ80£¥ÒÔÉϵÄÀàµÄÁé»îÔËÓã¬ÌرðÊǼ¯ºÏÀàÌåϵ¡¢Õý¹æ±í´ïʽ¡¢Ê±¼ä¡ ......

JAVA»ñµÃÒ»¸öÊý×éµÄÖ¸¶¨³¤¶ÈµÄÅÅÁÐ

import java.util.Stack;

/**
* JAVA»ñµÃÒ»¸öÊý×éµÄÖ¸¶¨³¤¶ÈµÄÅÅÁÐ×éºÏ¡£<br>
*
* @author JAVAÊÀ¼ÍÍø(java2000.net, laozizhu.com)
*/
public class TestSequenceAll {
public static void main(String[] args) {
TestSequenceAll t = new TestSequenceAll();
Ob ......

ÊÕ¼¯µ½µÄjava ÕýÔòÑéÖ¤ Ô´Âë


import java.util.regex.*;   
  
public final class RegExpValidator   
{   
    /**  
     * ÑéÖ¤ÓÊÏä  
     * @param ´ýÑéÖ¤µÄ×Ö·û´®   ......

JavaÖÐListЧÂʵıȽÏ

¡¡¡¡inkfishÔ­´´£¬ÇëÎðÉÌÒµÐÔÖÊ×ªÔØ£¬×ªÔØÇë×¢Ã÷À´Ô´£¨http://blog.csdn.net/inkfish
£©¡£
¡¡¡¡Java Collections Framework(JCF)
ÊÇJava SEÖÐÒ»¸ö»ù±¾µÄÀ༯£¬¼¸ºõËùÓеÄÏîÄ¿¶¼»áÓõ½£¬ÆäÖеÄList
ÔòÊÇJCFÖÐ×î×î³£ÓõÄÒ»¸ö½Ó¿Ú¡£Î§ÈÆList
½Ó¿Ú£¬ÓкܶàʵÏÖ£¬ÖîÈç³£ÓõÄArrayList
¡¢LinkedList
¡¢Vector
¡¢Stack
£¬ ......

java byteÓëchar»¥×ªÔ­Àí ת

java byteÓëchar»¥×ªÔ­Àí-ת
Ò»¡¢×Ö½ÚºÍunicode
JavaÄÚºËÊÇunicodeµÄ£¬¾ÍÁ¬classÎļþÒ²ÊÇ£¬µ«ÊǺܶàýÌ壬°üÀ¨Îļþ/Á÷µÄ±£´æ·½Ê½ÊÇʹÓÃ×Ö½ÚÁ÷µÄ¡£Òò´ËJavaÒª¶ÔÕâЩ×Ö½ÚÁ÷¾­ÐÐת»¯¡£ charÊÇunicodeµÄ£¬¶øbyteÊÇ×Ö½Ú¡£JavaÖÐ byte/char»¥×ªµÄº¯ÊýÔÚsun.ioµÄ°üÖмäÓС£ÆäÖÐByteToCharConverterÀàÊÇÖе÷¶È£¬¿ÉÒÔÓÃÀ´¸æËßÄ㣬 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ