Myeclipse6.5注册码（java代码生成）-2012

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class test { private static final String LL = "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 String getSerial(String userId, String licenseNum) {   java.util.Calendar cal = java.util.Calendar.getInstance();   cal.add(1, 3);   cal.add(6, -1);   java.text.NumberFormat nf = new java.text.DecimalFormat("000");   licenseNum = nf.format(Integer.valueOf(licenseNum));   String verTime = new StringBuilder("-").append(     new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))     .append("0").toString();   String type = "YE3MP-";   String need = new StringBuilder(userId.substring(0, 1)).append(type)     .append("300").append(licenseNum).append(verTime).toString();   String dx = new StringBuilder(need).append(LL).append(userId)     .toString();   int suf = this.decode(dx);   String code = new StringBuilder(need).append(String.valueOf(suf))     .toString();   return this.change(code); } private int decode(String s) {   int i;   char[] ac;   int j;   int k;   i = 0;   ac = s.toCharArray();   j = 0;   k = ac.length;   while (j < k) {     i = (31 * i) + ac[j];     j++;   }   return Math.abs(i); } private String change(String s) {   byte[] abyte0;   char[] ac;   int i;   int k;   int j;   abyte0 = s.getBytes();   ac = new char[s.length()];   i = 0;   k = abyte0.length;   while (i < k) {     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;     i++;   }   return String.valueOf(ac); } public test() {   super(); } public static void main(String[] args) {   try {     System.out.println("please input register name:");     BufferedReader reader = new BufferedReader(new InputStreamReader(       System.in));     String userId = null;     userId = reader.readLine();     test myeclipsegen = new test();     String res = myeclipsegen.getSerial(userId, "5");     System.out.println("Serial:" + res);     reader.readLine();   } catch (IOException ex) {   } } }