MyEclipse4.0 、4.1、4.9、5.1 註冊機代碼

有效期間至209912310

 

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main{
 private static final String L = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";

 public static void main(String[] args) {
   BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
   String userId="",version="",need="";

   System.out.print("please input the username:");
   try{
       userId=br.readLine();
       System.out.println();
   }catch(Exception e){
   }

   System.out.println("1 - MyEclipse4.0.0 GA");
   System.out.println("2 - MyEclipse4.1 GA");
   System.out.println("3 - MyEclipse4.9.1");
   System.out.println("4 - MyEclipse5.1.0 GA");
   System.out.println();
   System.out.print("please choose the version of MyEclipse:");

   try{
       version=br.readLine();
       int v = Integer.parseInt(version);
       switch(v){
           case 1:need = userId.substring(0,1) + "YE3MP-400-01-9912310";break;
           case 2:need = userId.substring(0,1) + "YE3MP-401-00-9912310";break;
           case 3:need = userId.substring(0,1) + "YE3MP-491-01-9912310";break;
           case 4:need = userId.substring(0,1) + "YE3MP-501-00-9912310";break;
       }
   }catch(Exception e){
   }

   // 其中491(4.9.1)/400(4.0)/401(4.1)/501(5.1.0)，()內為版本號碼，9912310代表註冊碼到期時間2099/12/31
   // MyEclipse4.0.0 GA
   // String need = userId.substring(0,1) + "YE3MP-400-01-9912310";
   // MyEclipse4.1 GA
   // String need = userId.substring(0,1) + "YE3MP-401-00-9912310";
   // MyEclipse4.9.1
   // String need = userId.substring(0,1) + "YE3MP-491-01-9912310";
   // MyEclipse5.1.0 GA
   // String need = userId.substring(0,1) + "YE3MP-501-00-9912310";
   String dx = need + L + userId;
   int suf = decode(dx);
   // System.out.println("SUF:"+suf);
   String code = need + suf;
   System.out.println(" The result is:");
   System.out.println(change(code));
   System.out.println(" The time up to 2099/12/31");
}

 static int decode(String s){
   int i = 0;
   char ac[] = s.toCharArray();
   int j = 0;
   for (int k = ac.length; j < k; j++){
     i = 31 * i + ac[j];
   }
   return Math.abs(i);
 }

 static String change(String s){
   byte abyte0[] = s.getBytes();
   char ac[] = new char[s.length()];
   int i = 0;
   for (int k = abyte0.length; i < k; i++){
     int j = abyte0[i];
     if (j >= 48 && j <= 57)
       j = ((j - 48) + 5) % 10 + 48;
     else if (j >= 65 && j <= 90)
       j = ((j - 65) + 13) % 26 + 65;
     else if (j >= 97 && j <= 122)
       j = ((j - 97) + 13) % 26 + 97;
     ac[i] = (char) j;
   }
   return String.valueOf(ac);
 }
}