35,619 Topics
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| | Hello, I'm trying to do the following program in JAVA. I find JAVA very confusing. Liked C++ much better. Anyway, here's what I'm trying to do: [quote] Develop a program for a small auto dealership. This program will keep track of the auto inventory using an object of the class … |
| | Hello. I am having a problem with this certain code. Every call with this method (listI()) will return a node. After the list reaches null, it will go back to the start. On the first call on the tester, there is no problem. But when the method is called for … |
| | I am trying to write a program that will work like a hangman game. I have a loop that assigns the characters to their spot in the string and is supposed to end if the newly assigned string equals the original word. If the letter guessed is correct, nothing should … |
| | Hi. Im working on a text-based "game" that uses strings to generate maps. So I need to split these strings into bits that i can work with, but somehow the .split method kills the white space in my string. How can I get around this? Of course I can force … |
| | is there any place i can find some Open Source cell phone code written in Java, where i can use a IDE and check it out and maybe even test it on my phone? |
| | If I have 2 synchronized methods and 1 calls the other, what exactly happens? If those 2 synchronized methods are in a class, and 2 of those classes are created, each of them calling one of their synchronized methods, what would happen? If those 2 classes extended Thread and were … |
| | When I put this code between my script. It didn't work. [COLOR="Green"][B]I suppose to put a number in the input, but If I didn't put anything in the INPUT BOX, then the Error Should display.[/B][/COLOR] [CODE] if( Cost.getText().length() == 0 ) { JOptionPane.showMessageDialog( null, "Cost required", "Input Required", JOptionPane.WARNING_MESSAGE ); … |
| | here's another one that i've been struggling with. I need to create a phone number that can not have an 8 or a 9 in the area code. I thought it would be smart to simply generate the area code one number at a time .............. num1 = generator.nextInt(7)+ 1; … |
| | Hi everyone, I want to create a java application that I can embed into HTML and have it run without a server backend. So I am led to use applets. Can you suggest any alternatives? I want to create something similar to the application shown on this page: [url]http://java.sun.com/docs/books/tutorial/deployment/applet/developingApplet.html[/url] How … |
| | I started my java class not long ago. I`m just creating a class car, and I`m not sure how to call a function with a return type in main, can anybody help me. this is what I have: [CODE]class TestCar { public static void main(String[] args) { Car myCar = … |
| | I have to write a Functional Specification for a Java File Dump Utility. I am unfamiliar with both of these terms, this project is due next week and Im just trying toget an idea of what I'm doing. I would love input from anyone who has created a Functional Specification … |
| | Working on a java applet. I have to tweak the program so that it draws two different polygons instead of a single one. The first polygon was given but the second one I have as astx and asty which are given in the book. Cannot get it to compile [code] … |
| | I a newbie to Java and I have gotten a program. Can please anyone help This is the program: Write a program that reads in any image file and displays the image. Define a 3x3 tiling of the image and display a new image where these tiles are rearranged. For … |
| | I am almost complete this assignment. But I am stuck with line 108 error. Could someone please help me out on this? [CODE] import java.io.*; public class Assignment4 { public static void main(String[]args) throws IOException { //delcare and construct variables int marStatus, status, gross, earn, excess, annual; double fica, medicare, … |
| | I am developing a class called AVLtree, this class contains the methods get(), put(), remove(), and ascend(). This class allows multiple keys to be the same. My questions are: How would you be able to get() if there are multiple same keys? How would you get something that is passed … |
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| | Hello, im Ant. Forum looks really good. Im currently in the very early stages of learning Java, i have a few books and am doing online tutorials etc so looks like i will be using this place and searching the forums loads in the near future. At the moment im … |
| | Hey, this is my first java program. I am trying to print my original list of ages, but I can not figure it out. Please help! I have part b and part c already done. Any help is appreciated a) print original list of ages b) number of occurrences of … |
| | Is this possible to do? I am looking to parse some data out of a file and based on the results of this take names found in the file and create objects out of them. for example... [code] //you have parsed the name Bob out of a file and it …  |
| | plss give me your valuable suggestions..... i'm on a project for developing a DBMS with SQL interpreter,in java, using netbeans6.7...the interpreter interprets only some queries like create,select,insert,update&delete...for this i need 2 create database...i prefer 2 save database as a text file & 2 perform operations in the txt file.. but …  |
| | I want to be able to ensure that my print is exactly as expected, so I'm wondering if there's some kind of function in java or junit that will catch what system.out.print uses so I can perform some assertions on it. Thanks for your help. |
| | [B][/B]every time i create a file in java a window opens with created file in it... how to avoid this.... pls help |
 | Hello. I'm trying to write a program that will convert a user input infix expression into its postfix form. My current code is allowing the user to input a string, but it does nothing with the string. I'm fairly new to JAVA, thus I think I'm making a simple mistake … |
| | Hey everyone, I have no experience with writing programs. This is my first program and I'm sort of "winging it". I have a problem converting from fahrenheit to celsius, I can convert from celsius to fahrenheit fine though. The bolded part is where I'm having troubles. Here is what I've … |
| | Hi. This is a homework question. I need to develop an RDP for algebraic expressions. like a+b+c*d/(h-g) etc the rules are: exp=exp(+|-)term|term term=term*factor|term/factor|factor factor=id|exp now the thing is that I created a few functions for exp, term, factor and I am able to successively and successfully separate all the terms … |
| | in netbeans 6.7 i'm trying to create a text file,say man.txt using code "file fr=new file("man.txt").. code executed fine..but i can't see the file man.txt anywhere where the file is created..pls help me |
| | Hi I am just learning Java DB Database in NetBeans IDE 6.8 I am following this tutorial [url]http://netbeans.org/kb/docs/java/gui-db.html[/url] The first problem is when creating the database and adding a table to it I was able to create the car_database but when i connected it and expanded the node its not … |
| | what is an ide how is it different from traditional java platform ? what is java beans? |
| | Hi, I am going to store a string in string tokenizer object. But i am not getting the output what i think. For example : StringTokenizer st = new StringTokenizer("I born on 21.02.1995. So, now my age is 15.", "."); [B]I will get output as :[/B] I born on 21 … |
| | i finished a really simple game and i finally figured out how to make it a jar and how to edit the manifest to make it run, but my images don't appear. this is my first jar so i don't have a clue to what i should change to get …  |
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