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使用trac调试服务器端代码

蘑菇 — Wed, 28 Nov 2007 01:08:00 GMT

摘要: 使用trac调试服务器端代码阅读全文

蘑菇 2007-11-28 09:08 发表评论

字符全角/半角转换

蘑菇 — Sun, 21 Jan 2007 06:30:00 GMT

摘要: 字符全角/半角转换----实现代码阅读全文

蘑菇 2007-01-21 14:30 发表评论

Java里将数组转化为List

蘑菇 — Fri, 14 Oct 2005 00:35:00 GMT

Object[] objs = new Objects[10];

List l = java.util.Arrays.asList(objs);

蘑菇 2005-10-14 08:35 发表评论

蘑菇 — Mon, 26 Sep 2005 04:19:00 GMT

如何更改�U�有成员�Q?BR>假设�c�Summer定义如下�Q?BR>public class Summer{
private int number = 0;
}

��试如下�Q?BR>Summer example = new Summer.newInstance();
Field f = example .getClass().getDeclaredField("number");
f.setAccessible(true);
f.set(example, 2);
f.setAccessible(false);

�l�果�Q�私有成员的值变�?

蘑菇 2005-09-26 12:19 发表评论

eclipse中如何写一个测试私有方法的junit

蘑菇 — Fri, 23 Sep 2005 00:38:00 GMT

eclipse中如何写一个测试私有方法的junit�Q?BR>假设�c�Summer定义如下�Q?BR>public class Summer{
   private int methodone(String argsone){
      //method code
      .......
      return 4;
   }
}

��试如下�Q?BR>public class SummerTest extends TestCase {
   public void testMethodone(){
      Object rightResult = xxxxx;
      Summer example = new Summer.newInstance();
      Method m = example ..getClass().getDeclaredMethod("methodone",new Class[]{String.class});
      m.setAccessible(true);
      Object result = m.invoke(example ,new Object[] {new String(xxxx)});
      m.setAccessible(false);
      if (result.equals(rightResult)){
         //your code
         ......
      }
   }
}

蘑菇 2005-09-23 08:38 发表评论

字串相加注意事项一

蘑菇 — Thu, 22 Sep 2005 02:20:00 GMT

String strnull = null;
String strstr = "abc\n";
String strresult = strstr + strnull;

�l�果strresult == "abc\nnull"

蘑菇 2005-09-22 10:20 发表评论

蘑菇 — Wed, 27 Jul 2005 09:50:00 GMT

private static String IPComp = "0123456789.";

public void CheckIP(String IP){
   int i;
   int index;
   String cur;
//判断是否存在非IP字符
   for (i = 0;i < IP.length();i++){
    if (IPComp.indexOf(IP.charAt(i)) == -1){
     throw new yourException(yourErrorString);
    }
   }
//变换IP�?xxx.'重复的格�?BR>   IP = IP + ".";
//分别获得前四�?xxx.'��?BR>   for (i = 1;i <= 4;i++){
//判断底i�?xxx.'是否存在�Q�i<=4�Q?BR>    index = IP.indexOf('.');
    if (index == -1){
     throw new yourException(yourErrorString);
    }
    else{
//获得数字�Q�检查数字范�?BR>     cur = IP.substring(0,index);
     IP = IP.substring(index + 1);
     if (cur.length() > 0 && cur.length() <= 3){
      //change cur to int
      int num = 0;
      for (index = 0;index < cur.length();index++){
       num = num * 10 + (int)cur.charAt(index) - 48;
      }
      if (num > 255){
       throw new yourException(yourErrorString);
      }
     }
     else{
      throw new yourException(yourErrorString);
     }
    }
   }
//��查是否有多的'xxx.'
   if (IP.indexOf('.') != -1){
    throw new yourException(yourErrorString);
   }
  }

蘑菇 2005-07-27 17:50 发表评论