myEclipse的破解工具---myEclipseGen.java

import java.io.*;

 public class MyEclipseGen {
  private static 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,penalities 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,"20");
  System.out.println("Serial:" + res);
  reader.readLine();
  }catch(IOException ex){
  }
  }
  }

当使用MyEclipse工具时总是弹出窗口提醒要注册时，可以将MyEclipseGen.java类直接考到任意项目下，然后执行，

在控制台输入名称（如：htt），按回车键，会生成一串破解码，记住这个名称，和生成的破解码，

当再弹出注册窗口时，点击注册，将名称和破解码粘贴在对应的位置，点击OK即可。

之后使用MyEclipse就再也没这种弹框了。