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

Java Encrypt Algorithm

/************************************************************************
*                                                                      *
* javax.crypto                                                         *
*                                                                      *
*    Interfaces:                                                       *
*       SecretKey                                                      *


Ïà¹ØÎĵµ£º

Java¾²Ì¬±äÁ¿ÒÔ¼°·Ç±ê×¼µ¥Ì¬Ä£Ê½µÄ¿Ó

½ñÌìÓöµ½Ò»¸öºÜ¹îÒìµÄbug£¬µ÷ÊÔÁ˰ëÌìҲûÓп´³öÀ´ÓÐʲôÎÊÌ⣬³éÏóһϴúÂëÈçÏ£º
public class Instance
{

public static Instance instance = new Instance();

public static Map<String, String> map = new HashMap<String, String>();

public static Instance instance()
{

r ......

¡¾Java EEѧϰ1¡¿——MyEclipseÊý¾Ý¿âÁ¬½Ó

×÷ÕߣºÐûÕ×Åô
------------------------------------------------------------------------------------------------------------------------------------------
¹¤×÷µÚÒ»²½£ºÊìϤMyEclipseµÄ»·¾³ÒÔ¼°Ö÷Òª¹¦ÄÜ¡£
¹¤×÷µÚ¶þ²½£º½¨Á¢Êý¾Ý¿âÁ¬½Ó
Êý¾Ý¿â£ºMySQL
1¡¢MySQLµÄÅäÖÃÓëÎÊÌâ½â¾ö
     Ïê¼ûÎ ......

javaÖÐÓë(&)ºÍ»ò(|)ÔËËã

System.out.println(2|0); //0010 0000 =>0010 = 2
System.out.println(2|1); //0010 0001 =>0011 = 3
System.out.println(3|2); //0011 0010 =>0011 = 3
System.out.println(3&2); //0011 0010 =>0010 = 2
/*
  ÔÚjavaÖÐ0´ú±í¼Ù, 1´ú±íÕæ
  00011|0010  ´ÓÓÒµ½×ó±È½Ï0|1 = 1, 1|0 = ......

JAVA¸÷Êý¾Ý¿âÁ¬½ÓÇý¶¯

1¡¢Oracle8/8i/9iÊý¾Ý¿â£¨thinģʽ£©
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orclΪÊý¾Ý¿âµÄSID
String user="test";
String password="test";
Connection conn= DriverManager.getC ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ