MyEclipse_6.0.1GA注册机

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


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;