32,204 Topics
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| | Hey guys, I'm new here. I'm taking an intro programming course and I'm having problems getting this code to work. It needs to take two user input numbers and calculate figures based on them. The first part of the code compiles and works properly with a force induced test code. … |
| | Im trying to set my new laptop up to do java programming work on. when i try to compile a file i get the javac not recognised as internal external command error. ive tried different help topics including the [url]http://java.sun.com/docs/books/tutorial/getStarted/problems/[/url] link but their solutions dont solve the problem. anyone have … |
| | Hi. I am having trouble understanding why, if I use setEnabled() inside a button listener, my end result where I update the text inside a text box doesnt work the same way as when I comment out the setEnabled() lines. I am making a simple pi generator based on a … |
| | Hello, I am working on something where i need to search and replace many variable names of a program. For example, I have a class Hello and its public variable is world, but the variable world has been changed to earth so now in the program i need to go … |
| | how can you convert a string, which is stored in a vector, into an integer?  |
| | I have been working on this array problem since last Friday. We are to accept an employee's gross sales, multiply that by 9%(to find commission) add $200 for weekly salary. Then the program takes that dollar amount and tallies payroll with ( *'s) beside salary groupings.... ex $200-299 **** $300-399 …  |
| | [CODE]//function void function(int a[5][])[/CODE] in passing or even declaring a multidimensional array why is it necessary to specify the row while it's ok not to specify the column? |
| | this is my java coding: [code] import java.util.Scanner; import java.io.*; public class readNumbers { public static void main(String[]args) throws IOException { int num; String filename; Scanner keyboard = new Scanner(System.in); System.out.print("Enter the filename: "); filename=keyboard.nextLine(); FileWriter fwriter=new FileWriter(filename); PrintWriter outputFile=new PrintWriter(fwriter); for(int i=1; i<=5; i++) { System.out.print("Enter a number: "); … |
| | hi, I used to program in C++ and constructed a linkedlist class (not a very fancy one but just enough to use the head and reference to simply add, and remove data in the list. now i am learning java and realize that java.util.*; has a class called the linkedList …  |
| | Hi, I’ve embedded applet in a jsp page. Initially appearance of applet is coming well. After some time during the process of applet , when the browser window is minimized and restored or if we are switching to any other window and coming back to the applet embedded jsp page, … |
| | hello all. :) my assignment is to write a program that accepts a charge account number and then determines whether the number is valid by comparing it to the numbers (listed in the array.) most of my program is correct, except for the last part where it displays whether the … |
| | I have a text file that contains alot of different columns. I want to create a different array from each of them (e.g. one array for the years, one array for the months, one array for the wind speed, and so on).... Does anybody know how I could do that? …  |
| | Can somebody please help me with this code? I have the program correctly coded and operating properly, however, I forget how to write my output to a text file. Can somebody please help me here? Thanks. [CODE] /** * This program calculates the monthly Heat Index for a specific city. … |
| | Hi, Did anyone has used jTDS or any JDBC driver to connect to Microsoft SQL SERVER on IPV6 environment? if yes can anyone please provide me code or any help? i tried with microsoft one which they claim support for ipv6 but i didnt go thru even there. may be … |
| | I know that you do 6.83783 * 10^3 as 6.83783E3, but how do I do that number times 10 to the negative third? |
| | [QUOTE=newtonorina][QUOTE=masijade][QUOTE=newtonorina]Am new in the programming sector. I have a task that requiires me to join a java interface to mysql but I don't know the code to do that. Can you please help.[/QUOTE] [url]http://dev.mysql.com/doc/refman/6.0/en/connector-j.html[/url] Next time start a thread.[/QUOTE] I just wanted a small program in Java for eaxample that … |
| | Hey everybody, I am currently working on a program that has to write nice PDFs, and I'm using the iText library to do this. I am nearly done, except for some major layout problems. 1. iText automatically splits tables up if it reaches the end of the page, and continues … |
| | Hey all, I have a problem with printing my output in a certain way from my Java program. I actually need to print the output in a table-like structure. For example: [CODE] ============================================================================= Header1 | Header2 | Header3 | Header4 | Header4 | ============================================================================= Info here | Info here | … |
| | Hi there I am developing an application that is SIP based , using UDP socket supported by the Java, the application is client /server, what package do I need so I can send SIP message with in the socket I have created, in other word the application looks like the … |
| | I'm having a little trouble trying to figure out how determine if 2 purses have the same coins in them in the same or different order. The books that i have don't really show an example of this at all and I can't find any other resources elsewhere online. I've … |
| | Hi!! I have created JTable with fixed no of rows and columns.Then depending upon some conditions I want to hide one column,but the methods removeColumn or setting maxWidth to 0 are not working.I am not getting any error. How can I do this? |
| | Can somebody help me understand why I get an error message that says possible loss of precision on this program? I don't understand what could be causing this error message. When I get this error message, it highlightes the line of code that says: "theTemps[index] = inFile.next();". Can somebody enlighten … |
| | I am developing an application in Java that grab Image from the video. I have the following code that grabs a frame every given no. of seconds but i want an Image afte each click Even the given code does' nt work Plz help its urgent Thanks in advance : … |
| | Hello, I am trying to insert values from a .csv file into a MySQL database from a GUI. I cannot seem to accomplish this. I keep getting a null pointer exception where I set the connection properties in my main method. I also cannot seem to figure out how to … |
| | HI guys am completely new to java ... and have this couple of bugs am not clear of wt to do... can anybody help me with it i wud be gr8ful E:\j2sdk1.4.2_19\bin\JAR>javac Training.java [B].\Base64.java:39: cannot resolve symbol symbol : constructor InputStream (java.io.FileInputStream,boolean) location: class Base64.InputStream Base64.InputStream localInputStream = new Base64.InputStream(localFileInputStream, … |
| | hello, got to develop a project on online reservation system.just help me to know how to start with.need help urgently.help...... |
| | Hi, I'm new to the whole programing world, so I'm a bit lost. The problem is: Enhanace the "BankAccount" class by, 1.) Rejecting negative amounts in the deposit and withdrawl methods. and 2.) Rejects withdrawals that would result in a negative balance. (Simply return from the method without modifying the … |
| | For example i want that the [code]System.out.println("blablabla");[/code] wont be displayed on the screen of the console.... how can I do it? |
| | Trying to create a 2 dimensional array for converting temperature and returning max. Having problems declaring max such as these 2 lines. max = max(inputFahr[0][0]); max2 = max2(inputCel[0][1]); [code]/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package project3; import … |
| | Hello Everyone! I have a homework assignment due and I am having a problem with an compiling it to get an output. This is my first and only Java class. Can someone please tell me what I am doing wrong? Thanks in advance. [CODE]/* Programmer:Steve A. Massiah Date:01/29/09 Course:PRG/420 File: … |
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