Rujitha Patel

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since Sep 07, 2006
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Recent posts by Rujitha Patel

MySQL database AUTO_INCREMENT (INT type) columns are not increasing uniformly. Ther are increasing like 0,1,2,3,7,8,9,16,17,18...

Why this happens? Will there be any problems of having a non uniform of data column as a Primary Key? How can I have a uniformly AUTO_INCREMENT column?

Thank you.
Now I have reinstalled the JDK. Now, if I run the command "java -version" the following message appears:

java version "1.6.0_04"
Java(TM) SE Runtime Envinronment (build 1.6.0_04-b12)
Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode, sharing)

If I run "javac -version" the following message appears:
javac 1.6.0_04

Now I am able to compile the HelloWorldApp.java and create the HelloWorldApp.class. But if I run the command "java HelloWorldApp" from the directory where the HellowWorldApp.class exist, I get the following message:

Exception in thread "main" java.lang.noClassDefFoundError C:\temp\HelloWorldApp
Caused by: java.lang.ClassNotFoundException.............
................................
................................

But I am very sure that the HelloWorldApp.class is in C:temp

Any help is very much appreciated.

Thank you.
16 years ago
I have downloaded and installed Java SE version 6 update 4, as described in the Installation Instructions in the Java website.

When I run "java -version" command in the command prompt, the following message comes:

java version "1.6.0_04"
Java(TM) SE Runtime Envinronment (build 1.6.0_04-b12)
Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode, sharing)

But when I try to compile my Java program with the command "javac HelloWorldApp.java", the following message comes:

'javac' is not recognized as an internal or external command, operable program or batch file.

Any help from anyone is greatly appreciated.

Thank you.
16 years ago
(1) The user is calling a LOCAL number from a landline (or mobile) phone.
(2) The user is presented a voice menu
(3) User makes selection by pressing button(s) in the telephone.
(4) The user is connected to an international location according to the input
(5) The user is paying the charge for the international calling

Can I achieve the above requirement using VoiceXML? (or otherwise)
There is an official website for Java where we can find proper Java API references. Like that are there any official website for Javascript where we can find Javascript object references?

Thank you.
According to my business rules it is enough for me to have a single database table. I also like to have a single table because it is easy to apply data retreval SQL quries on a single table.(without JOINing many tables)

But I have more than 60 columns, is it acceptable to have that amount of columns in a single table? (I am using MySQL database)

Thank you very much.
My intention is to store images in the database as a byte[]. The image data are taken as input from the customers through a web application. Therefore the input image can be any format and any size.

My web application is reading the images as byte[]. Therefore the compression program should take a byte[] as a parameter and return a byte[] of the compressed image.

What Ulf Dittmer suggested is something near to my needs but not complete. Thank you very much. Any further help very much appreciated.
17 years ago
I like to compress an image to a specific size if the original size exceeds a limit. How can I do that using Java?

Any sample codes or guidelines are very much appreciated.

Thank you very much.
17 years ago