²ÉÓÃJavaµÄÀà½øÐÐmd5¼ÓÃÜ
´úÂëÈçÏ£º
package com.test.j2se;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class MD5 {
/**Êý¾Ý¼ÓÃÜ
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
MessageDigest code = MessageDigest.getInstance("MD5");
String str = "ADFSE";
System.out.println("before md5:"+str);
code.update(str.getBytes());
byte[] bs = code.digest();
StringBuffer sb = new StringBuffer();
for(int i =0;i<bs.length;i++) {
// System.out.println("bs["+i+"]="+bs[i]);
int v = bs[i]& 0xff;
if(v <16) {
sb.append(0);
}
sb.append(Integer.toHexString(v).toUpperCase());
}
System.out.println("length ="+sb.length());
System.out.println("after md5 :"+sb.toString());
System.out.println("5tohexStrin="+Integer.toHexString(17));
} catch (NoSuchAlgorithmException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Ò»°ãÑéÖ¤Â룺ÎÒÃÇ¿ÉÒÔ¶ÔÆä½øÐмÓÃÜ£¬È»ºó½«ÊäÈëµÄÑéÖ¤Âë¼ÓÃܺó¸úÆä¶Ô±È¡£¡£
Ïà¹ØÎĵµ£º
package Pack;
import java.text.*;
import java.util.*;
import java.text.DecimalFormat;
import java.util.*;
public class Test {
/**
* @param args
*/
public static void main(String args[]) {
yuesef(50,3);
}
public static void yuesef(int n, int m) {
ArrayList<Integer ......
ºÜÎÒÕÒÁ˺þà ÖÕÓÚÕÒµ½ÁË.....
ÒÔÏÂÊÇתÎÄ£º
//--------------------------------------------------------------------------------------------------
·½·¨ºÜ¼òµ¥£¬µ÷ÓÃexplorer.exe¾Í¿ÉÒÔ£¬
Runtime.getRuntime().exec(
& ......
class User {
String name;
String age;
public User(String name,String age){
this.name=name;
this.age=age;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(St ......
JAVA Socket³¬Ê±Ç³Îö
Ì×½Ó×Ö»ò²å×ù(socket)ÊÇÒ»ÖÖÈí¼þÐÎʽµÄ³éÏó£¬ÓÃÓÚ±í´ïÁ½Ì¨»úÆ÷¼äÒ»¸öÁ¬½ÓµÄ“ÖÕ¶Ë”¡£Õë¶ÔÒ»¸öÌØ¶¨µÄÁ¬½Ó£¬Ã¿Ì¨»úÆ÷É϶¼ÓÐÒ»¸ö“Ì×½Ó×Ö”£¬¿ÉÒÔÏëÏóËüÃÇÖ®¼äÓÐÒ»ÌõÐéÄâµÄ“ÏßÀ”¡£JAVAÓÐÁ½¸ö»ùÓÚÊý¾ÝÁ÷µÄÌ×½Ó×ÖÀࣺServerSocket£¬·þÎñÆ÷ÓÃËü“ÕìÌý&rdquo ......
¹²ÏíÄÚ´æÔÚJavaÖÐʵÏÖºÍÓ¦ÓÃ
Õª×Ôhttp://zc4530.javaeye.com/blog/326186
1¡¢¹²ÏíÄÚ´æ¶ÔÓ¦Ó¦Óÿª·¢µÄÒâÒå
¶ÔÊìÖªUNIXϵͳӦÓÿª·¢µÄ³ÌÐòÔ±À´Ëµ£¬IPC£¨InterProcess Communication£©»úÖÆÊǷdz£ÊìϤµÄ£¬IPC»ù±¾°üÀ¨¹²ÏíÄÚ´æ¡¢ÐźŵƲÙ×÷¡¢ÏûÏ¢¶ÓÁС¢ÐźŴ¦ÀíµÈ²¿·Ö£¬ÊÇ¿ª·¢Ó¦ÓÃÖзdz£ÖØÒªµÄ±Ø²»¿ÉÉٵŤ¾ß¡£ÆäÖй²Ï ......