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DES¼ÓÃÜËã·¨Ô´Âë(java°æ)

public class DES {
    // ÉùÃ÷³£Á¿×Ö½ÚÊý×é
    private static final int[] IP = {
            58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54,
            46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57, 49, 41, 33,
            25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21,
            13, 5, 63, 55, 47, 39, 31, 23, 15, 7
        }; // 64
    private static final int[] IP_1 = {
            40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, 38, 6,
            46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12,
            52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 42, 10, 50, 18,
            58, 26, 33, 1, 41, 9, 49, 17, 57, 25
        }; // 64
    private static final int[] PC_1 = {
            57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51,
            43, 35, 27, 19, 11, 3, 60, 52, 44, 36, 63, 55, 47, 39, 31, 23, 15, 7,
            62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20,
            12, 4
        }; // 56
    private static final int[] PC_2 = {
      


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JAVA·´Éä»úÖÆ

JAVA·´Éä»úÖÆ
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java³£ÓÃÀàµÄʹÓ÷½·¨
Interger£ºÕûÊýÀàÐÍ
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static int MAX_VALUE£º·µ»Ø×î´óµÄÕûÐÍÊý£»
static int MIN_VALUE£º·µ»Ø×îСµÄÕûÐÍÊý£»
static Class TYPE £º·µ»Øµ±Ç°ÀàÐÍ¡£
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System.out.println("Integer.MAX_VALUE: " + Integer.MAX_VALUE );
½á¹ûΪ£ºInteger.MAX_VALUE: 2147483647
&nb ......

JavaµÄ(PO,VO,TO,BO,DAO,POJO)½âÊÍ

PO(persistant object) ³Ö¾Ã¶ÔÏó
ÔÚ o/rÓ³ÉäµÄʱºò³öÏֵĸÅÄÈç¹ûûÓÐo/rÓ³É䣬ûÓÐÕâ¸ö¸ÅÄî´æÔÚÁË¡£Í¨³£¶ÔÓ¦Êý¾ÝÄ£ÐÍ(Êý¾Ý¿â),±¾Éí»¹Óв¿·ÖÒµÎñÂß¼­µÄ´¦Àí¡£¿ÉÒÔ¿´³ÉÊÇÓëÊý¾Ý¿âÖеıíÏàÓ³ÉäµÄjava¶ÔÏó¡£×î¼òµ¥µÄPO¾ÍÊǶÔÓ¦Êý¾Ý¿âÖÐij¸ö±íÖеÄÒ»Ìõ¼Ç¼£¬¶à¸ö¼Ç¼¿ÉÒÔÓÃPOµÄ¼¯ºÏ¡£POÖÐÓ¦¸Ã²»°üº¬ÈκζÔÊý¾Ý¿âµÄ²Ù×÷¡£
......

Éú²úÕßÏû·ÑÕßÎÊÌâÖ®JavaÏß³ÌʵÏÖ

Ô­ÌùÄÚÈÝÇë¼û: http://topic.csdn.net/u/20100116/17/6a204504-9e70-435f-be55-f0630ed12fdf.html?seed=942806558&r=62778073#r_62778073
Çë´óÅ£Ö¸Õý.
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package selfimpr.producerCustomer;
/**
* ²úÆ·
* @author selfimpr
* @blog http://blog.csdn.net/lgg201
* @email lgg860911@yahoo.com.cn
......

SHA 1ÕªÒªËã·¨Ô´Âë(java°æ)

public class SHA1 {
    private final int[] abcde = {
            0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
        };
    // ÕªÒªÊý¾Ý´æ´¢Êý×é
  &nb ......
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