Lambok Sianturi,
variable s4 must be initialized with s4=""; 'cause it's assigned inside
the try catch.
Hisham
----- Original Message -----
From: "Lambok Sianturi" <[EMAIL PROTECTED]>
To: "JDJList" <[EMAIL PROTECTED]>
Sent: Friday, January 24, 2003 9:46 AM
Subject: [jdjlist] Re: jar updation prob.
> Hi all...
>
> I have piece of code like this..
>
> char charArray[] = { 'b', 'i', 'r', 't', 'h', ' ', 'd', 'a','y'};
> byte byteArray[] = { (byte) 'n', (byte) 'e', (byte) 'w',
> (byte) ' ', (byte) 'y', (byte) 'e',
> (byte) 'a', (byte) 'r' };
> StringBuffer buffer;
> String s, s1, s2, s3, s4, s5, s6, s7, output;
>
> s = new String( "hello" );
> buffer =
> new StringBuffer( "Welcome to Java Programming" );
> // use the String constructor
> s1 = new String();
> s2 = new String( s );
> s3 = new String( charArray );
> try {
> s4 = new String( charArray, 6, 4 );
> }
> catch( StringIndexOutOfBoundsException ex ) {
> System.out.println( "out of exception" );
> }
> s5 = new String( byteArray, 4, 4 );
> s6 = new String( byteArray );
> s7 = new String( buffer );
>
>
> output = "s1 = " + s1 +
> "\ns2 = " + s2 +
> "\ns3 = " + s3 +
> "\ns4 = " + s4 +
> "\ns5 = " + s5 +
> "\ns6 = " + s6 +
> "\ns7 = " + s7;
>
> When i try to compile this, an error "variable s4 might not have been
> initialized" occurs.
> Would someone like to explain me why?
>
> Thankyou in advance.
>
> ::Lambok Sianturi::
> PT. Multi Garmenjaya
> Jl. Krawang No. 1
> Bandung - Jawa Barat
> Indonesia
> Phone : 62 22 7272222
> ----- Original Message -----
> From: "abhay" <[EMAIL PROTECTED]>
> To: "JDJList" <[EMAIL PROTECTED]>
> Sent: Wednesday, January 22, 2003 9:45 PM
> Subject: [jdjlist] jar updation prob.
>
>
> | Hi everybody,
> |
> | I'm using WSAD-5 for application developement. I dynamically create a
> | jar file (say AAA.jar ) and
> | want to update it frequently in our application. I also use this jar
> | file in our classpath of application.
> | This jar is supposed to contain all the property files needed for our
> | application. Initially AAA.jar will
> | contain some property files. As the transactions initiate, property
> | files in this jar will be changed and
> | updated.
> |
> | I create a jar file by using a ZipOutputStream, store it in my
> | ../../temp folder by some xx.0456.tmp
> | file name. Then I delete the existing jar file using file.delete() and
> | then rename the temp file by invoking
> | the file.renameTo() method. But i found that the file.delete() doesn't
> | delete my original jar file (which is
> | being used by our application).
> |
> | Even invoking the SecurityManager.checkDelete() method didnot throw any
> | exception (as the
> | docs say) . I think that since AAA.jar is being used by our application
> | ... WSAD must have
> | locked it. (Another reason for this conclsion is that i cannot modify
> | any of our jars manually while the
> | application is running under WSAD). But if this is true then
> | SecurityManager should have thrown an
> | exception ...surprisingly ..it didn't.
> |
> | I'm a little confused ...If i'm logically correct .. please suggest me a
> | solution or a workaround.
> | If i'm not then please tell me where am i wrong.
> |
> | Thanks in advance.
> |
> | regards
> | abhay
> |
> |
> |
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> |
>
>
>
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