MyEclipse 8 注册码

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

 

 

 

如出现文本显示序号行号的问题。可以参照以下代码进行列数的缩进：

package com.demo;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class ReplaceFileLine {

	/**
	 * 读取源文件，把更新的内容写到新的文件里
	 * @param file
	 * @param file2
	 */
	public void replaceLine(File file,File file2) {
		try {
			BufferedReader reader = new BufferedReader(new FileReader(file));
			BufferedWriter writer = new BufferedWriter(new FileWriter(file2));
			String line = reader.readLine();
			
			while(line != null) {
				String newline = line.substring(2);
				System.out.println(newline);
				writer.write(newline);
				writer.newLine();
				line = reader.readLine();
			}
			reader.close();
			writer.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	} 
	
	
	
	
	
	public static void main(String[] args) {
		
		File file = new File("D:\\MyWorld\\java\\WorkSpace\\test\\MyTest_v1_001\\test.txt");
		File file2 =new File("D:\\MyWorld\\java\\WorkSpace\\test\\MyTest_v1_001\\receive.txt");
		ReplaceFileLine rf = new ReplaceFileLine();
		rf.replaceLine(file,file2);
	}
}