36,051 Topics
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| | [COLOR="Red"]I need coding for the following program by tomorrow i.e 30th November.Can anyone please help me out....[/COLOR] 3: Stack/Stack Implementation General Instructions: Using a stack as your data structure, implement a program that will reverse a line, perform calculations using prefix notation and check for balance parentheses. Specific Instructions: This … |
| | I have problem with the stopwatch i made. For some reason, when i press "start" it just lags out. Can someone please check the code and tell me whats wrong? THANK YOU SO MUCH! Executor [CODE] package stopwatchpackage; public class StopwatchMain { public static void main(String[]args) { new StopwatchMain(); } … |
| | Hi, I'm trying to draw 2 quadrilatrials, that share 2 corners and an egde. I also want to smooth edges, so I use ANTIALIASING turned on, but this has the effect of showing a crack between the polygons. The crack dissapears if I turn off ANTIALISAING, but I really don't …  |
| | hey....I have a question...this seems such a trivial question but please help me...I'm trying to use a java variable ex:- int x=request.getParameter(ID) and then use it in an sql query,like, select name,date,tel_no from items where ID=x it doesn't work...im very new to sql and jsp...so please help me get around … |
| | pls i want to know what i must use to read xml file in remote machine in java. is it possible using saaj,or other.i have jdk 1.6 installed on window 7 os machine. what also suitable softwares for this task. apreciate any ideas |
| | I've recently taken up an AP Computer Science class online for Maryland State education at my high school, and was wondering if I could receive help on a few of the projects. Most of them are simple like programs I made in Visual Basic for my first programming class with … |
| | I have a program, which is essentially done, but there is something I am not very pleased with. First of it is a program that acts like a very basic shopping cart. The user can add or remove items, clear the list of selections they chose, and check out. This … |
| | Hello guys I am working on a program using the composite pattern .The program contains two buttons "business accounts " and "personal accounts". When I click on the personal account button the program loads up the tree with all the accounts and visa versa when the business account button is …  |
| | hey friends :D! alright i was tryin to work with serialization basics and now i am stuck with this problem of reading an object from a file named 0x.txt. and i know ths program is really a hell lot full of bugs but i have just started sp plz dont … |
| | Hi, i am in need of some help with an assignment. The Question : [I]Write a program which will think of a word and ask the user to guess the word. The user may guess a letter at a time and your program will print out wherever the letter occurs. … |
| | Hi! I have two classes: 1) Class A extends JPanel 2) Class B extends JFrame I would like to use some methods from Class A in Class B. How could I implement it? Thanks! |
| | Hi guys I have 2 problems here: 1) Below code does not draw a black Polygon on the frame, only shows an empty Frame named "Poppy" 2) Once the frame shows, I can't close it by clicking "x" at the right top corner. Does anyone know why? Thanks heaps code: … |
| | Java Help - Need help making a program that checks if a letter appears consecutively in a string? I need help creating a java program that returns true if a letter appears consecutively in a string like for example : the "O" in noodles Also a program that returns the … |
| | I want to download multiple files (file is in zip format ) from server to client machine to specific path with unzip format please give me the code for it......... please tell me....... (Technology : JSP) |
| | I have read all sorts of positive reasons for using the PreparedStatement type in Java when working with SQL. Does anyone know of any reason why you'd ever choose the Statement type instead? |
| | I have a file say which has 5000 characters. I am reading the first 1000 characters and closing my file. I want to delete these first 1000 characters from the file. How can I do that? |
| | I have saved generated an image using a byte[] by using [CODE]Toolkit.getDefaultToolkit().createImage(image);[/CODE] where image is a byte[]. The image generated by this is of java.awt.Image instance. Now I want to save this image into my local hard disk as JPEG (the image was decoded as JPEG). How would I do … |
| | HI everyone I have a little problem with an exercise I have been given for homework. We were given sample server, client, compressedmessage, encryptedmessage documents to build upon. Now what is meant to happen is the server listens on port 2000 for incoming client requests, once a client makes a … |
| | Hey guys I am new to java 3d and i am getting a strange error when i try run my program, I know that the code is completely right. When i run the program i get this strange error: LINEAR, Unknown Sample Rate * out * LINEAR, 8000.0 Hz, 16-bit, … |
| | [B]I have my program working but i need to replace the JOptionPane.showMessageDialog(null, "The cost is " + totalCost); and just have the totalCost output to the totalCharges textfield. [/B] [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; public class DormAndMealPlanCalculator extends JFrame { private JPanel dormPanel, mealPanel, buttonPanel, totalChargesPanel; private JComboBox … |
| | In my journey "back to the basics" to get a more solid foundation for my Java skills, I am curious about the difference between using the existing content pane of a JFrame vs. creating a new content pane in a JFrame. I have two chunks of code... The first uses … |
| | Ok, well Iam doing a program where I have to write a program that will read in a list of positive integers (including zero) and display some statistics regarding the integers. Your program must store the all of the integers in an array. The maximum number of integers that you … |
| | I need to know if this code is finished or what else needs to be added to this code because I cant get in touch with the user! Thanks please help [url]http://www.daniweb.com/forums/thread84070.html[/url] |
| | Hi all, Im building a java application in eclipse and i want to add an excel file for data storage/retrieval..Can someone tell me how i include the file in the class build path? Thanks |
| | I'm working on a grading program that will require the use of a couple classes. The program contains a list of "program assignments" which there are 5, and 3 test scores. I'm stuck writing the average methods Along with the total exam scores/program scores. Any help will be appreciated! Here's …  |
| | Hi, Im getting the followin error in one project class in my application: The project was not built since its build path is incomplete. Cannot find the class file for DataControl. Fix the build path then try building this project DataControl is a class in another project in the same … |
| | Does any one know where there is some Java code already written to handle deleteing directory trees? Maybe with some undo functions? |
| | So I'm writing my own simplified LinkedList class. When I compile my code I receive this error Error: F:\Files\ICS\Card\LinkedList2.java:3: name clash: indexOf(E) in LinkedList2<E> and indexOf(java.lang.Object) in java.util.AbstractList<E> have the same erasure, yet neither overrides the other The code is public int indexOf (E element) { Link<E> o = new … |
| | [CODE]package stu; class student { int age; String name; public student() { name = "Animesh"; age = 19; } public void display() { System.out.println("Student name is : " + name); System.out.println("Age is :"+age); } }[/CODE] [CODE]import stu.student; class student1 { int marks; String sub; public student1() { sub = "Mathematics"; …  |
| | Hi all, I'm new here and a little flummoxed by this problem. I am working through the process of creating a notepad type program in java to get a little more experience with the language. My save functionality is not working. This is not unexpected; the part that is really … |
| | Hello all, I have a small helloworld program and try to run it on the command prompt. [code] public class Hello { public static void main(String[] args) { System.out.println("Hello, World!"); } } [/code] i have my file in C:\test\Hello.java C:\test>javac Hello creates a class file in c:\test\Hello.class but c:\tets>java Hello … |
| | I am trying to make a contains method where it will search for a name using the compareTo method of the Comparable interface. Here is my problem, It will return true if found but will stay in the while loop and not end if it is not found. AND I … |
| | at which value of responce code will be the site valid ? |
| | So I working on a program that in a poin in the program I have to get the median and the average of the numbers in the array. I have to write a program that will read in a list of positive integers (including zero) and display some statistics regarding … |
| | Hi everyone i was just wondering if anyone here has every created a Neural Network for predicting Sports results. i was interested in doing this however I'm not really sure where to start. if you have done something like this before could you just give me some feedback. also do … |
| | I am not understanding how to fix these problems. I have placed bracket, removed brackets. Could someone please help break this down. most of my error is cannot find symbols, line 80 is unclosed character, 113, 121, 126, 127, 137,is class, interface or enum expected. I am suppose to modify … |
| | Hello, I was wandering how to save the contents of a JPasswordField into a text file, i thought to use the [CODE]getPassword()[/CODE] method, but a [CODE]null[/CODE] is saved into the file instead. Would appreciate it if I could get some initial ideas. Thanks for your time, Sam |
| | for a friend who needs help [CODE] public class Card { private static final double True = 0;//sets true public String Card;//sets card public Card(String Card2) { Card = Card2;//sets card2 } public double getDiscription() { if (Card.equals("AS"))//if the "AS" is put in it prints below { System.out.println("Ace of Spades"); … |
| | Hello, I would like to ask if you can give me some help. I have to implement a slicing tree that represent a slicing floorplan(slicing floorplan divides a rectangle with horizontal and vertical cuts, and can be represented by a binary tree, called slicing tree. Its internal nodes are the … |
| | Hi, Id like to generate a nine-digit combinations of 52 characters of alphabet (a..z and A..Z). My thought is: [LIST=1] [*]Generate nine-digit combinations of numbers from 0 to 51 [*]Use these combinations as indexes of [CODE]char[] alp={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};[/CODE] [/LIST] Iam sure its very easy.. Im learning Java for one month (once … |
| | I downloaded the JDK and have started making simple applications (ex: Hello World). Is it possible to put this onto a website, and if so how do I go about doing that? |
| | Im trying to run an RMI app from eclipse but im getting an error saying it has already been started by another application. I ran an application yesterday from the command line but i closed all windows down when finished..is there a special command to shut down the registry on … |
| | [CODE]System.out.println("what is your name? "); String name = kb.nextLine(); for(int i = 0; i < member2.size(); i++){ if(member2.get(i).equals(name)){ System.out.println(name + " is a member. "); break; } else{ System.out.println(name +" is not a member. "); break; } [/CODE] i did a system.out.println on the member2 arraylist (String arraylist) and it … |
| | hey !!!!!!! m not able to view images in my tomcat server while doing coding in net beans !!!!!!!! whats the proper path to be written to view images I am using it this way <img src="D:/project/web/bukcovers2.jpg"> |
| | Hi, I am having a challenge with this.. I just read a book on Java Applet and there is something that is confusing to me. i need help on that.. There are two programs here... import java.awt.Graphics; import java.swing.JApplet; public class TryMe extends JApplet { public void paint (Graphics g) … |
| | [code]import java.util.*; import java.util.Random; import java.lang.*; public class testing1 { public static void main(String[] args) { String pass = new String("ENTER THE HAMLET HAM TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND TO SUFFER THE SLINGS AND ARROWS OF OUTRAGEOUS FORTUNE OR … |
| | The following code piece must display correct message in GUI according conditional statement. When tested using void main, I get the result as expected. However, when I test using applet the result is OK for the first if(....) statement but freezes on the second. - if condition OK then compute …  |
| | how do I create a 2d array, where the user choos the size of the array? or have to make this: 1 2 3 4 5 1 O O O O O 2 O O O O O 3 O O O O O 4 O O O O O … |
| | I have a login page, which directs to Verification.jsp Login.jsp [CODE] <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <body> <form action="Verification.jsp" method="POST"> <fieldset> <a rel="nofollow">FreeLancer? Sign up!</a> <br/> <input type="radio" name="r1" value="Admin" checked="checked"/>Admin<br/> <input type="radio" name="r1" value="Editors"/>Editor<br/> <input type="radio" name="r1" value="Staff"/>Journalist<br> <input type="radio" name="r1" value="Staff"/>Reporter<br/> <input type="radio" name="r1" value="Freelancers"/>Freelancer<br/> … |
| | I want to store data that user inputs [form based in form of xml] into a postgres database, so I would like to know is it wise to develop a web service or how do I transfer data. I am completely clueless how to head on with the problem |
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