32,204 Topics
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| | This supposed to return the user's BMI. But the output is always 0. Why is that? [code=java] import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.text.DecimalFormat; public class bmi extends JApplet implements ActionListener { JTextField inputLbs, inputInches, displayBmi; public void init() { JLabel labelLbs = new JLabel("Weight (lbs):", SwingConstants.RIGHT); inputLbs = … |
| | Hi: I'm trying to solve a question as it states: "Create a program which determines if a given number a is a common divisor of two other numbers num1 and num2." I am 100% beginner to Java and just started a couple days ago, so most terms discussed feel quite … |
| | Hi All, I teach java to 2nd year students who are doing a very basic module on GUI and applets, without any animation etc. I need to give the class an individual mini project. Please could people suggest possible project ideas for a 2nd year CS. The syllabus does not … |
 | Hey people... I have one problem... Find how many total cubes are there in the range from A to B, inclusive. An integer Y is total cube if it can be expressed as: Y = X*X*X, where X is also integer. The first total cubes are: 1, 8, 27, 64 … |
| | I am trying to write a code for the following: Write a Swing program that declares an empty array of grades with a maximum of 50. Implement a JOptionPane input box within a while loop to allow the user to enter the grades using a -1 as a sentinel value. …  |
| | I know j2se a good deal. i also know MySQL, Jasper reporting, Log4j. I'm currently searching for a not-too-hard and not-too-easy software to make. I've currently made a address book and a library management system and i don't want to make games. So can someone PLEASE help me?  |
| | The scenerio is that I have different type of drawing components on drawing area. In menu I have some combo boxes which apply different properties on these objects. and also add a new UndoableEdit to the UndoManager. Anybody worked with the swing's undo package will get the idea. This way … |
| | i have a Struts jsp which creates a textbox dynamically using javascript. function addRow_msgField() { var id =0; var table = document.getElementById("msgfield"); var id = table.rows.length-1; var newRow = document.all("msgfield").insertRow(); var oCell = newRow.insertCell(); oCell.innerHTML = "<input type='text' name=alertFieldName"+id+" class='textBoxStyle' size='12' maxlength='50'/>"; oCell.style.verticalAlign = "top"; id++; } My table design … |
| | I decided to develop a java applet to transfer files to a ftp server. I have no java experience but using stuff from the web and using NetBeans IDE for development, I came resonably close. Here is the code I used. /* * To change this template, choose Tools | … |
| | Hi all, I have two Java Classes as follows : [CODE]public class A { public int a =5; }[/CODE] and -- [CODE]public class B { public static void main(String[] args) { System.out.println(new A().a); } } [/CODE] Now i want to generate a log file (when the execution of main() method … |
| | Hello, I am a python newbie and I am trying to accommodate to the basics. What's the python equivalent for the following Java snippet ? [B]Java:[/B] [CODE]public class Main { public static void main(String args[]){ int a,b,c; a= (int) (Math.random()*100); c=0; while((b=(int)(Math.random()*100))!=a){ c+=1; } System.out.println(c); } }[/CODE] I was trying … |
| | Hi guys, Visual studio contains alot of controls which facilitate the development of application using C#. Is there any workaround to use this controls in Netbeans IDE or any plugins to make Netbeans as reach as Visual studio in controls. Thanks in advance  |
| | I created jar file and it can be run well through comand prompt.. (using java -jar <file name>) How can I make it run by clicking the the .jar file ????? |
| | [B]Is it possible calling struts from EJB (or) not[/B]. please I need an example for this...just calling Struts from EJB part is enough. How to call a DAO class from either Struts (or) EJB...I need an example for this too...Calling part and other configuration such as web.xml part |
| | Hai, I am developing an application to send and receive data via bluetooth for Symbian mobiles.We have a scanner with built in linux and some C++ program.A C++ Dll is given to communicate by using Windows Mobile 5 and Windows Mobile 6.When we worked using .Net application when the Serial … |
| | I created a jar file using cmd prompt. when i run it using : jar cvfm <filename>.jar manifest.txt *.class gives the error: java.io.IOException : invalid header field.... Please help me to solve this... |
| | I managed to create a <filename>.bat file using a jar creator . It also creates <filename>.jar file but when i click .bat file it says unsupportedClassVersionError: bad version number in .class file .jar file says could not find the main class... how can I overcome this??? |
| | Iam getting an equation as input in a string example: 3x^2+4x^2=0 I have to split the above equation and i have store numbers, symbols, and operators and power number separately ... am using java language... Plz Help me to solve... Thanx in Advance Nithya |
| | I'm creating a game where the goal is to roll two dice and if you get a 7 or 11 you win 10 points, otherwise you lose 5. You start with 100 points. I have everything set up so far but I don't know how to keep the program going … |
| | Hi all, I have a quick question. Is this a proper way of using blackbox testing to test the stringTokenizer class? If not, would you provide a proper example that displays the pass or fail. [code] string = "cat, dog"; StringTokenizer token = new StringTokenizer(string, ","); if (token.countTokens() == 2) … |
| | I have 1 package that manages the main JFrame of my application. This JFrame needs to access an image (which is a resource) of another package. I was able to get it to work using: [CODE=JAVA]new ImageIcon(getClass().getResource("../"+packageName+"/icon.jpg"));[/CODE] But this does not work when using a runnable jar (getClass().getResource("../"+packageName+"/icon.jpg")) returns null). …  |
| | Hi, Im working on a POC in velocity. Want to know whether using velocity can we populate a template based on records in a JDBC ResultSet instance?If so kindly provide the link that has document or example. Typically a resultset will be put in the VelocityContext. In vm file we … |
| | I am having a problem in this program....can anybody help me create a BufferedReader out of this maze problem...then i have to create a text document entitled with maze.txt... well here is my program [code] import java.io.*; import java.util.*; public class Amazing{ public static void main(String[]args){ Scanner console=new Scanner(System.in); FileWriter … |
| | send me any resourceful info u have on JAVA to SNIP n I'll be sooo greatful. |
| | Hi All, I want to run a java command thru java program. Can any one tell me how can i do it. Thanks , Smita  |
| | Does a .jar file run on windows with out the JVM installed? |
| | hi helper,.... i'm trying to implement meta search engine(java, jsp) for a website. trying to use carrot2 for organising search results and using yahoo search API. pls give me an idea of implementing a meta search engine.i googled but didnot find any material in net. thx beanboy. |
| | 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 … |
| | Write a Java Program that prompts the user to enter his/her first name and last name, then displays a message to welcome the user into the class CIS 226. If the user hits Cancel on either first or last name, show the error message: [code] import javax.swing.JOptionPane; public class Assign2 …  |
| | I'm attempting to learn Java. I'm finding it to be frustrating and quite foreign from most other languages. I have something here typed exactly as the book has it. According to the book, it should be working, but it's not. Any tips would be SO great! I really feel like … |
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