myeclipse提示myeclipse trial expired

MyEclipse提示过期（MyEclipse Trial Expired）

利用注册类可以生成Myeclipse注册码.

import java.io.*;     public class MyEclipseGen {       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 MyEclipseGen() {                             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();                                 MyEclipseGen myeclipsegen = new MyEclipseGen();                                 String res = myeclipsegen.getSerial(userId, "0");                                 System.out.println("Serial:" + res);                                 reader.readLine();                             } catch (IOException ex) {                             }                         }                     }

运行后效果如下: 

修改String res = myeclipsegen.getSerial(userId, "20"); 中"20"为"0"可以变成Number of Licenses为Unlimited.

 

然后

然后将刚才生成的序列号输入

点击下面的Finish即可

代码测试过了，可行！

从Myeclipse--》subscription information 即可进入update subscription界面。

ok，注册成功