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Member Avatar for sbhavan

I want to develop a web application. In that I need to implement that the user can't open it in more than one instance in any system. I want to restrict it based on the user and machine. ie. a single user name should be used to login to the …

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Hi all, i have installed jdk1.7 , now i want to set the class path.. because i am compiling my program its giving an error.....javac is not recognized as an internal or external commond. please help me to set the class path.......and how to able to run my program.

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[CODE]import java.io.FileReader; import java.util.Scanner; public class diverScores { public static void main(String[] args) { Scanner kb = new Scanner(System.in); double [] score = new double [8]; double totalScore = 0.00; Scanner fileScanner=null; try{ fileScanner= new Scanner(new FileReader("divingdata.txt")); }catch(Exception e) { System.out.println("Input file not found"); System.exit(1); } while(fileScanner.hasNext()) { String fileLine …

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Hello everybody!! I'm trying to print a *.pdf file from Java code, and the printer out gives the right document, but smaller than the original pdf (smaller text, images, margins, everything), the print result seems shrinked from the original... Here is the code I'm using: [CODE] File f = new …

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I have been reading a textbook on Java-- I am a C/C++ programmer so my view of addresses and pointers are based on what I know from those languages. I am trying to make sense of something the textbook said about object addresses. The textbook basically said when one object …

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Hey i have a project that i have put the Questation at the end of this message i am a newbie to java and have make this my mainly Questation how do i put somethin in my arrays from GUI ?? and how do i search in name or id …

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Member Avatar for sbhavan

Hi All, In my development of an online application, I have to generage the serial no for the available number from the serial number table in sql server. Multiple users will hit the table to generate the serial numbers. So the serial number should not be repeated. I have to …

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Hi, When I try to connect a jsp page with MS Access database, it gives an error "[Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified " What does that means?

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237
Member Avatar for sbhavan

Hi everyone, I have a task to generate reports in my project. I am using JasperReports for the reporting purpose and generating the reports using servlets. The reports should be generated and displayed as pdf file in the client's browser window. Now every thing is working fine except the no …

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Member Avatar for sbhavan

I have to create my own FTP Client in Java. Can anybody help me in the following. Which and all libraries or packages should I use. Which and all documents/tutorials I have to read Thanks in advance.

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Help me ,,... i nid to learn all about looping in java programming and what are the sample codes. plss. help me.. tnx..

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The program requires an integer input from a user at the command args and prints out the numbers backward. I have this so far, however, it only prints 1 number, which is the number entered into args. [code=java] public class KashiwabaraNicole7 { /******************************************************************************* * Initializes program * @ param commandlineArguments …

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Member Avatar for sbhavan

Hello All, I have developed a utility class for my own purpose to do some repeated task for my work. In that I want to do some routine task when ever I call any of the method of the class through its object. For Example, If my class is StringUtil.class …

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Hi, can anyone help me? I am having trouble with an application I have to make, but I recently started with Java, so I am not very good at it. For your information, it is an application, made with JCreator. At lines: 21, 26 ,31 and 36 it states that …

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please help me to make a simple payroll application using java programs..please. tnx..in advance..God bless...

Member Avatar for sbhavan
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Convert Number to Words Kindly Help me Explain this Line of Codes. Line by Line if possible. It was given to me by my friend. Hoping for Some Help. Thank you very much. [CODE] import java.util.Scanner; public class WordNumber{ public static void main(String[]args){ for(int i = 0; i < 20; …

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I have developed an applicatio using RMI to broad cast some messages to the clients from the server. When we send message from the server it will be displayed in the clients in a message box. But the displayed message box is behind all other active windows, and the client …

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Hi, Everybody, I have to write program to validate the form fields in java to validate in server side. For that I have a form base validater and in that validater is will use the generic validators like StringValidator, NumericValidator, etc. to validate the values retrieved from the form. And …

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Member Avatar for dhriti22

I wanna make a block of jsp page as a public . I have a local ip for the server and people inside the local group can access this. All I need is I want to access some information publicly. I can give public ip to the website and do …

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Member Avatar for shraddha_gupta

i am creating my jar file jar cvf javaappl.jar javaappl jar cfm javaappl.jar manifest.txt javaappl manifest is added correctly. but when i try to run java -jar javaappl Invalid or corrupt jar is displayed. Earlier it has run, but the same thing is not running now. What is the probable …

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I know what a Jar file is. [url]http://java.sun.com/developer/Books/javaprogramming/JAR/basics/build.html[/url] I just can't figure out how to get it to be recognized as a command. I have the same problem with appletviewer. I was told i was suppose to to set some path but i am not sure where it is. I'm …

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I am using the following code for disabling Ctrl-N in IE7. It disables the Ctrl-N feature of IE which opens a new window containing the same page as the 'active' window. The code works great (at first glance). However, I noticed that, if you click anywhere inside the browser window …

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Member Avatar for JavaNewbieEK

I am kind of new to JAVA and I am trying to hide a user's input (such as when the user types a password). I am not using any type of GUI just running my small programs directly in the UNIX Terminal. Is this possible to do simply, unfortunately I …

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373
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I have to update 5 tables simultaniously which are inter related with each other. My requirement is if all tables are updated successfully then all the updates will be commited. if any one of the query is failed due to some reason all the queried should be rolledback. The way …

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hello guyz,,do you have any sites to recommend for me on tutorials??? we are about to make a code on shopping cart,,but it's not that easy,, our list of products and shopping cart are stored in a "text file",,which is accessed by the "java file",,to access,,we should use the import …

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