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i'm a newbie in java and i got an assignment to do and i don't know how to start ... the problem is: Write a program that will compute for the product of two numbers without using the * operator.. Sample Output: Enter Num1 :___ Enter num2 :___ Product is …

hai friends, is it possible to generate barcodes using java....???? if it is possible how can i do that......??????? please give information about the how to developing barcode generator using java please any one can give solution for this..

Well I am trying to write a simple "polynomial engine" that has two functions: [LIST] [*]simplifyPolynomial [*]solvePolynomial [/LIST] I just don't know where to start:( I can't think of a method to use. I don't think there are any polynomial libraries in java? My question is: do any of you …

Hi, I am currently working on project wherein I am inserting thousands of records in database using spring batch. So is there any way where I can handle exceptions in my ItemReader and ItemWriter? I need to apply logic for failure of records when job executes i.e if I am …

please, i am new to java and have this project on generating a university timetable using genetic algorithm. this software is to be a GUI based software... please can any one give me ideas about how i can go about it... thanks

Hi there! I just want to ask if it is possible that my java program, which is done in Netbeans, can be run in a computer without netbeans? I mean, how can I compile my program where in, maybe an exe file can be created or an icon will be …

Hello, everybody I am working on a simple client-server program. The server side is a console program which will send (1)the list of files in home directory and (2)the contents of the selected file to the client side. And the client side is a GUI program which sends requests to …

I was reading some code that encouraged the use of vectors but my IDE is saying that it is an obsolete Collection. I need to use Vector because it can does not need to be a set size. and I would like to have a Vector of Vectors. Is there …

Well the title really says it all. I am using Netbeans IDE for most of my work when working whit JComponents archive but i know how to make a java frame and add things to it without using Netbeans. Anyways. I decided to write a small program for a community …

Hi , I am new in core java. i have develop an application. in that i am used the combobox in combobox i am displaying roll no. of students from sqldatabase. now when i want to find rollno when keypress on combobox. ie. if i have enter 2 then display …

my program does allow it to build with no errors but when the answer is right or wrong, it doesn't actually draw the appropriate string. I coded it in a way that I feel like would make it work but after clicking on the check answer button, nothing happens. Any …

see this is the code that is written in c# in visual studio 2005........In visual studio w can connect sql(not mysql) with c# and can even see the sql table visually......... can we do that similarly in java in netbeans7.0..... how can i connect sql with java.......do i need to …

i m using gettext() method in getting text from the form and pass it to the sql query to record in the mysql database. when i don't enter any string for textfield (for eg: phone no.) , i get sql exception error.. here is my sql query in the code.. …

I have a string, which is read from a database. The string can be just "null". I need to decide whether it is null or not? Among the following ones, what is the appropriate way to do it? [CODE]String a = …; If (a == null) If ( a.length == …

Hi, I'm in my first Java class and I am working on a problem that I could solve if I just figure out how to convert a char to an int. i.e. convert A to its letter equivalent with a function like this: [CODE] intLetter = charLetter.parseInt(); [/CODE] am I …

Dear All, I am using an adapted code from the web for sending sms via gsm modem. Now I would like to modify to read sms message from database table and send it.So I would like to programme it to read on every 30 second from the db process and …

I imported a picture onto another picture and I am wondering how to get rid of the white around the smaller picture.

Implement the following integer methods: a.Method celsius returns the Celsius equivalent of a Fahrenheit temperature, using the calculation b. C = 5.0 / 9.0 * ( F - 32 ); c. Method fahrenheit returns the Fahrenheit equivalent of a Celsius temperature, using the calculation d. F = 9.0 / 5.0 …

using textpad w/ jdk When trying to use single print line: System.out.println("\n" + var1,"\n" + var2); I get error: symbol : method println(java.lang.String,java.lang.String) location: class java.io.PrintStream System.out.println("\n" + var1,"\n" + var2); I understand that \n is new line, and My instructor told me to just use + "Integer name" for …

How would I find the lowest common multiple using basic Java, like loops, etc.

Hi, I recently installed jcreator and jdk 1.6 i was testing out the program to see if it worked correctly I used a really simple program(below) but whenever I type a second integer, the error "Make sure you enter an integer" appears, I've tried a few simple programs to the …

Hi, I am currently doing a project on remote object communication between Flex 4.1 SDK and Java using Flerry API.I need a Java program that can capture the user keystrokes while the user enter's text in the action-script text-area. i.e I need Java program that captures the keystrokes as user …

Dear All, I have a java application which link to db on another computer on the local lan. The problem I have install jdk_1.6_21 without any problem. Then I have paste mysql-connector-java-5.1.14-bin.jar in /usr/java/jdk1.6.0_21/jre/lib/ext. When I compile my program has no problem when I try to run I get this …

how to configure junit application context file with struts........? it is not finding sessionfactory method..........

What is meant by the throws clause?Where & how is it used?

hai, is it possible to loading of tabs in jtabedpane dyanamically in java.. that means i have frame that consinting of one tabbedpane.. in that i have 10 tabs and in each tab consting of another tabbedpane and in that each tabbedpane has 4 tabs and each tab consisting buttons …

Quick question. I have text in a JFormattedTextField, I clear it with a clear button to make it setText(""); and heres the problem: When I go back in the field, and just to test it, I just tab out or mouse click out of it without typing anything in it, …

anyone can give me a code for this java applets program TY [url]http://tinypic.com/r/33nd9ox/7[/url]

Hi, I have a GUI with a JTabbedPane. In the tabbedpane I used a JScrollPane to hold a JTextPane. How can I get the object name of JTextPane that I have created in my class or something which is unique for a jcomponent with which I can identify that the …

I am new to java Swing. I am trying to develop a tool, in which I used a Jtextpane as an editor. Jtextpane is enclosed in a Jtabbedpane to meet my requirement. But I have inserted the JTextpane in a Jscrollpane and then to the Jtabbedpane. Now, when I select …