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Design Pattern Note(1) -- Iterator Pattern

李宁 — Tue, 13 Jun 2006 15:18:00 GMT

摘要: It’s a long time that I didn’t do something meaningful. Maybe because I am in happiness now. J Many time I spend with my GF, a little decadence J ... 阅读全文

李宁 2006-06-13 23:18 发表评论

sum-up of the weekend(code demo)(end)

李宁 — Mon, 05 Jun 2006 07:58:00 GMT

Continue with my JAVA test series.

This is the last one of the test series. It also about the regular expressions.

1 public class testreplaceall
2 {
3      public static void main(String args[])
4      {
5         String s = " aaaaa= " ;
6         s = s.replace( " = " , "" );
7         System.out.println( "s is "+s );
8         s = " aaaa. " ;
9         s = s.replaceAll( " \\. " , "" );
10         System.out.println( "s is "+s );
11         s = " aaaa. " ;
12         s = s.replaceAll( " . " , "" );
13         System.out.println( "s is "+s );
14     }
15 }
16

The . stand for all letter, and the Escape character is \\

李宁 2006-06-05 15:58 发表评论

sum-up of the weekend(code demo)(cont.)

李宁 — Mon, 05 Jun 2006 07:42:00 GMT

Today I learned how to use javadoc Chinese Edition in Eclipse, hapy J

Continue with my JAVA test series.

1 import java.util.regex.Pattern;
2
3 public class testmatch
4 {
5      public static void main(String args[])
6      {
7          boolean valid = false ;
8          // String s =
9         valid = Pattern.matches( " hoho.* " , " hoho123 " );
10         System.out.println(valid);
11         valid = Pattern.matches( " hoho.+ " , " hoho " );
12         System.out.println(valid);
13     }
14 }

This is a test of regular expression, I answered in www.javatx.cn ,post here :)

李宁 2006-06-05 15:42 发表评论

sum-up of the weekend(code demo) (cont.)

李宁 — Sat, 03 Jun 2006 15:39:00 GMT

2、PeorityTest---get from the sun Tech Day and I change a little J

1public class peority
2{
3    public static void main(String args[])
4    {
5        String s1 = "abcdefg:10";
6        String s2 = "abcdefg:" + s1.length();
7        System.out.println(s1.equals(s2));
8        System.out.println(s1==s2);
9        System.out.println("s1==s2"+s1==s2);
10    }
11}
12
13

if you don't understand this, you can use the javap tool, maybe cause another post J

李宁 2006-06-03 23:39 发表评论

sum-up of the weekend(code demo)

李宁 — Sat, 03 Jun 2006 14:33:00 GMT

A weekend again, I just send an e-mail to the red-flag company. It’s just a wish, I think.

Record some code sum-up on this week.

1�?span style="FONT: 7pt 'Times New Roman'"> SpitTest --- learned from www.javatx.cn Welcome to this website, I master the J2SE section J

1 public class SpitTest {
2
3 /**
4 * @param args
5 */
6      public static void main(String[] args) {
7
8         String info =    " elementX1,elementY1,elementZ1 "
9                         +    " \\r\\n "
10                         +    " elementX2,elementY2,elementZ2 "
11                          +      " \\r\\n " ;
12           info = info.replace( " \\r\\n " , " , " );
13         String str[] = info.split( " , " );
14          for ( int i = 0 ; i < str.length; i ++ ) {
15             System.out.println(str[i]);
16         }
17     }
18 }

I think it’s a very good idea to solve the problem, if I do it, I may use the split twice.

(to be continuted)

李宁 2006-06-03 22:33 发表评论

The Directory Constructor of JSP development using Eclipse

李宁 — Thu, 01 Jun 2006 03:26:00 GMT

By: NingLee ninglee@mail.csdn.net

Keyword: directory structure

There are many articles that introduce how to configure the development environment, so I don’t mention it. But in my own experience, I meet the other question, it’s the directory construct of the MVC.

M-Model In this, it refers to the JavaBeans.

V-View In this, it refers to JSP files

C-Control In this, it refers to Servlet.

In eclipse with the WTP plug-in or myeclipse(recommended) , you can new a web project, and then new a JSP, and new a servlet if you need, but for the Javabean, you should new a class, and in the following windows select a new package, such as myBean to store the JavaBean.

Now the directory structure is like this:

---|WEB-INF |---web.xml
| |---lib

| |---classes|---myServlet.class (this is the servlet)

| |---myBean ---myBean.class (this is the JavaBean)

|JSPs

OK, Good Luck J
June 1st, 2006

李宁 2006-06-01 11:26 发表评论