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 /*Decryptor*/
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
/**
 * Decrypt the password get form Xpress GUI
 */
public class Decryptor{
  
//¼ÓÃÜ    
 private static byte[] encrypt(int mode, byte[] password) {
  try {
   DESKeySpec desKeySpec = new DESKeySpec("KEY".getBytes());
   SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("DES");
   SecretKey secretKey = secretKeyFactory.generateSecret(desKeySpec);
   Cipher cipher = Cipher.getInstance("DES");
   cipher.init(mode, secretKey);
   return cipher.doFinal(password);
  } catch (Exception e) {
   return password;
  }
 }
//½âÃÜ
 public static  String decrypt(String[] args) {
  int length = args.length;
  byte[] b = new byte[length];
  for(int i = 0; i < length; i++){
   b[i] = new Byte(args[i]);
  }
  return new String(encrypt(Cipher.DECRYPT_MODE, b));
 }
}


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public class Fibonacci {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

NumOfFibonacci(9);
}

public static int MyFibonacci(int i){
if(i>0) {
if(i == 1)return 1;
if(i == 2)return 1;
else return MyFibonacc ......

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public interface B{
   
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    void fun();
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import java.net.URL;
import java.net.URLDecoder;
public class PathUtil
{
 /**
  * Get the env of windir, such as "C:\WINDOWS".
  * @return the env of windir value.
  */
 public static String getWindir(){
  return System.getenv("windir");
 }
 
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java.lang.OutOfMemoryError: Java heap space

 
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Exception in thread "main" java.lang.OutOfMemoryError:
Java heap space
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console¼Ó²ÎÊýÅܳÌÐò¡£ÏÖÏó£ºÔÚeclipseµÄÅäÖÃÎļþeclipse.iniÖÐÉèÖÃ-vmargs -Xms500m
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