破解Myeclipse试用期

import java.text.DecimalFormat;import java.text.NumberFormat;import java.text.SimpleDateFormat;import java.util.Calendar;

public class Code {  public static final void main(String[] args){         

 String subscriber = "test";  //subscriber  名字可以随便取        

 String licenseNum = "500";  //Number of Licenses        

 String version = "100"; //版本号       

 String subscriptionCode = getSubscriptionCode(subscriber, version , licenseNum ,true);       

 System.out.println(subscriptionCode); //gLR8ZO-655055-62677056522757051  

 }     

 public static String getSubscriptionCode(String subscriber, String version,            

 String licenseNum, boolean selected) {       

 Calendar cal = Calendar.getInstance();         

 cal.add(1, 3); 

 //年份加三年        

 cal.add(6, -1); 

 //日期减一       

 //当前日期20141226，到期日期则为20171225       

 NumberFormat nf = new DecimalFormat("000");        

 licenseNum = nf.format(Integer.valueOf(licenseNum));         

 String verTime = selected ? (new StringBuffer("-")).append(                 

 (new SimpleDateFormat("yyMMdd")).format(cal.getTime())).append("0").toString() : "-0812310";          String type = "YE3MB-";        

 String need = (new StringBuffer(String.valueOf(subscriber.substring(0, 1)))).append(type).append(version).append(licenseNum).append(verTime).toString();      

 String dx = (new StringBuffer(String.valueOf(need))).append("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.").append(subscriber).toString();       

 int suf = decode(dx);         

 String code = (new StringBuffer(String.valueOf(need))).append(String.valueOf(suf)).toString();   

 return change(code);}    

 private 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;        

 return Math.abs(i);}   

 private 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;            

 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 = (char) j;         

 }        

 return String.valueOf(ac);}}