Niu Xiuyuan

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since Jun 08, 2001
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Recent posts by Niu Xiuyuan

I wanna to develop tags with JBuilder7.0.But I can't find any supports for it, Who can help me step by step.
System.runFinalization();
System.runFinalizersOnExit( true );
System.gc()
who can explain those functions in detail, and where and how to use them in practice.
class Chair {


protected void finalize() {
System.out.println( "test" );
}
}
public class Test {
public static void main( String[] args ) {

new Chair();
}
}

i regard that it should ouput "test", but it output nothing,why?
i think if the process out of the scope of main function, all objects should be release by java garbage,then before the object is take back, it should invoke finalize() function, as the result, it should output "test".what wrong with me??
I think that all the functions implments by Singleton pattern can be replace by static class.What wrong with me? Who can explain those two conception in detail.Thanks
First, thank you for your response.
I think chane interface is very common,that is because the business logic is always changes.
I am using weblogic,i always have to restart server for the revision of servlet.
And I have to spend a lot of time in javac .java files and jar .class files,escpicail in development of EJBs.
How to do to..help me..help me!
I am a novice in the realm of j2ee,i have studyed j2ee for a long time,while i am still puzzled by a question, then i would speak it in detail,who can help me to solve it.
As we known, that when we develp j2ee relatived program, we first develop .jar or .war. or .ear files, and then deploy them in your container like weblogic or websphere and so on.but in the practice,we can't do it perfectly,in fact, we have to revise it again and again,for example, as usual, we have to revise a sevlet many times.That means i have to deploy files again and again, but for many application server, we have to restart it for redeployment,as we known, the course of restart application server is so time-consuming.So we always waste our time in waiting.who can tell me how to develop j2ee component and how to deploy them in detail,i means the total courses of development.
I wanna take the exam of J2SE1.4 beat exam,but I know little about it,who can tell me sth about the exam.
Congrats!
I guest that you are Chinese from your nickname,are you?If it is true I am very glad of coming cross peer in the forum.As you know from my sign that I am java fan who has passed the exam of SCJP and SCWCD,now I wanna take the exam of SCEA,but I am poor which means have no enough money to support commercial training fees.So I have to seek help by dint of Internet.If you are Chinese,PLZ response me as soon as possible,ok?I have some question about the exam,and I wanna consult you,ok?
[ April 15, 2002: Message edited by: Niu Xiuyuan ]
Thank you for your response very very very much!
I will make full use of the resources you given,and I will notify you as soon as I find new resources on SCJA.
I just pass the exam of SCWD,then next I wanna take the examination of SCJA,but I know little about it.I am poor,so I never buy any materials or take any course on SCJP and SCWD.What can do is to select free information from the internet.But now,I search materials on SCJA for a long time,and didn't find anything useful.So I need help:
1.How hard the exam is?
2.How do I prepare it?
3.Could u give me some resource on it?
I just pass the exam of SCWD,then next I wanna take the examination of SCJA,but I know little about it.I am poor,so I never buy any materials or take any course on SCJP and SCWD.What can do is to select free information from the internet.But now,I search materials on SCJA for a long time,and didn't find thing useful.So I need help:
1.How hard the exam is?
2.How do I prepare it?
3.Could u give me some resource on it?
It took me 2 month to prepare it.
Please give me a copy
My Mail:aspphp@fm365.com
Thanks for all help from you.
Frankly,the examination was not so easy as I had imagined before for the reasons below:
Firstly, I had passed SCJP with 89%.
Secondly,I am a programmer for website with one and half experience.
Thirdly,I read a lot post from this forum which mentioned that the exam is easier than SCJP.
But,during the examination,I even suspect whether I could pass it.It is really hard for me.So finally, I merely got 77%.I lost almost all the marks on the aspect of security,this is because I had thought security is not important compared with others at all,but I am wrong.
Next,I would tell you my preparation on the examination:
First, I did the mocks every day on the eve of examination.
Second,I read the specifications about Servlet and JSP servral times.
Third,I wrote a lot of test codes on Website.From my experience, I think Resin is more suitable for invoices for its conveniences.
Last,Logon on JavaRanch everyday.
By the way,I never buy any commercial materials.
Good Luck
[ March 31, 2002: Message edited by: Niu Xiuyuan ]
Inside the body ( <elemnent>body</element> ;) of which elements can you use the element jsp :p aram?
1) <jsp:include ...>
2) <jsp:forward ...>
3) <jsp :p arams >
4) <servlet-params...>
who can explain the question to me!

(Marilyn "disabled smilies in this post")
[ March 27, 2002: Message edited by: Marilyn deQueiroz ]