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VigneshMohan
VigneshMohan
Last Activity: Apr 14 '09, 03:32 AM
Joined: Apr 4 '09
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  • VigneshMohan
    replied to StringBuffer replacing String for memory Issues Help!!
    in Java
    Great ...

    I need one more clarification

    If I give like this

    Code:
    String aStringVariable = "welcome";
String test = "sample"+aStringVariable+"sample2";

    What will the compiler do...?
    If we give constants how the compiler interprets internally?

    One more Doubt.

    StringBuffer is Synchronous and StringBuilder...
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    • VigneshMohan
      replied to StringBuffer replacing String for memory Issues Help!!
      in Java
      Hi
      JosAH

      But appending a string using " + " will create a new string object right

      Which all cases will create a new string object with the use of + ?

      Will all the different arise only when we use threads?

      In other cases are these all same. ?
      -
      Thanks
      Vignesh.M...
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      • VigneshMohan
        started a topic StringBuffer replacing String for memory Issues Help!!
        in Java

        StringBuffer replacing String for memory Issues Help!!

        Hi All

        I wanted to replace the String Concatenation using " + " with a string buffer to eliminate performance hogs.

        I have a string

        String str = "Testing "+ firstStrVariabl e + "NextTest" + secondStringVar iable + "ThirdTest" ;

        Is it worth replacing the String in this case with StringBuffer and StringBuffer.Ap pend

        Any Suggestions pl post...
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        • VigneshMohan
          replied to How to Retain the UserName text box ?
          in Java
          Hi

          Is using sendRedirect the cause of problem?

          Hoe to do the forwarding from my java code...

          Which class gives the method of "forwarding " instead of redirecting?

          -
          Thanks for the help

          Vignesh.M...
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          • VigneshMohan
            replied to How to Retain the UserName text box ?
            in Java
            I redirect to my login page using ServeletActionc ontext.getRespo nse.sendRedirec t("loginPage" );
            from my java class

            How to set the attribute of h here ..

            My loginpage is a jsp file..called login.jsp from there i can get my attribute as request.getAttr ibute("h"); but i couldn get u where to set it...

            I am new to Web
            Thats why

            -
            Vignesh.M...
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            • VigneshMohan
              replied to How to Retain the UserName text box ?
              in Java
              Hi ,

              Always the response.getPar ameter("ANYItem "); is returning null
              For example i have a hidden field Its name is"h" and id is "h"

              i give request.getPara meter("h");

              It always returns me NULL

              What could be the reason... If that had worked i would ve solved my issue but that failed ... What could be the reason for the returning of NULL value in...
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              • VigneshMohan
                replied to How to Retain the UserName text box ?
                in Java
                Can anyone help me out in this issue

                I ve got only one response so far...

                Is it impossible in JSP?

                Can anyone get me a method to get the prevoius POST values as we get in php and ftl or so

                Pl help me out

                -
                Vignesh.M
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                • VigneshMohan
                  replied to How to Retain the UserName text box ?
                  in Java
                  I do whatever you said ... In php we have a coding option like
                  <code>
                  <input type="text" name="username" value="<?php echo @$_POST['username']; ?>" />
                  </code>

                  There is some option in FTL also

                  Is there any option in JSP files to get back the post values like the above code in php where we get the value of the post...

                  Did you get...
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                  • VigneshMohan
                    VigneshMohan posted a Visitor Message for Markus
                    can u help me outin java jsp and js?I ve posted a qn in java topic.. can u help me?
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                    • VigneshMohan
                      started a topic How to Retain the UserName text box ?
                      in Java

                      How to Retain the UserName text box ?

                      Hi All

                      I am new to JSP Js and Web

                      I need to retain my Username text in my text box when the user types the Wrong username and password

                      I tried several methods.. I didn get the solution.. I finally sent the username in url to get it back

                      Is there a way to retain the username text after the data being posted?

                      Please suggest me some details and examples..

                      Thanks...
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                      • VigneshMohan
                        started a topic How to Retain the UserName text box ?
                        in Javascript

                        How to Retain the UserName text box ?

                        Hi All

                        I am new to JSP Js and Web

                        I need to retain my Username text in my text box when the user types the Wrong username and password

                        I tried several methods.. I didn get the solution.. I finally sent the username in url to get it back

                        Is there a way to retain the username text after the data being posted?

                        Please suggest me some details and examples..

                        Thanks in Advance...
                        See more | Go to post
                        Last edited by debasisdas; Apr 6 '09, 07:09 AM. Reason: question moved to javascript forum
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