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[Java教程]MyEclipse生成注册码


  今天正在使用的MyEclipse出现了使用过期,在网上发现一个可以生成注册码的程序,现在分享给各位。

/** * myEclipse生成注册码 * 点击顶部:MyEclipse --> subscription information 即可进入update subscription界面 */public class Test {  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 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();           Test myeclipsegen = new Test();           String res = myeclipsegen.getSerial(userId, "0");           System.out.println("Serial:" + res);             reader.readLine();         } catch (IOException ex) {           System.out.println("出现异常");    }       }     }