MyEclipse XXX

MyEclipse 7.0 安装包太大了，启动后什么都不干，内存350MB，虚拟内存300MB，天呀，让我想起了IBM的大家伙WSAD，那还是Eclipse 2.1的时代，IBM的大家伙安装后1G空间，启动后也是慢的要死。看来基于Java的IDE，吃内存这几乎是个通病。下面是XXX：

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

// MyEclipse 7.0 keygen
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 <>

     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 <>

    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, "5");
    System.out.println("Serial:" + res);
    reader.readLine();
  } catch (IOException ex) {
  }
}
}