36,051 Topics
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| | Hi, I have this requirement that I have been trying to solve for a couple of days now. I have this source DB. The objective is to extract data from this source DB and insert into a oracle table. The meta data for both tables are the same (1-1 mapping). … |
| | Hello, I've been trying to code a TrueSkill calculator using Java that fetches scores and updates them in a MySQL database. I finished coding it however it appears to have a problem while executing. This is an example of what I want the output to be like: [QUOTE]connecting to database … |
 | film class [CODE] import java.util.Scanner; // Creating Class Members public class film { private String itemCode; private String title; private String description; private String language; private String runningTime; private String productionCompany; private String status; //eg, pending, premiering, running, written-off // No-argument Constructor: Without Parameters public film() { itemCode = ""; … |
| | Hi, I'm making a snake game and I got a timer to check everything and repaint the component. How can I achieve a 60 fps without affecting the movement of the snake. I need help to come up with an equation for the speed of the snake. Need to change … |
| | Hi there, I have to create a card game as an assignment, and i am having trouble with a part of the assignment. Basically, there is an array, 'playerHand', which holds a set of integers. What i want to do is to add the elements of the array and then … |
| | Hey, I am now programming in a MacBook Pro and for the KeyCodes in the Robot Class, there is no set key for Command. Can I set a KeyCode to do the actions of the Command key? Thanks |
| | Hi i am new to java gui, i have trouble using color constructor. please tell me what the problem . thank you . [CODE]import java.applet.*; import java.awt.*; public class AnAppletSubclass1c extends Applet { Color c = new Color(5,25,205); public void Color(int r,int g,int b); public void init() { System.err.println("Hello from …  |
| | I need help understanding this algorithm Design a variation of algorithm TreeSearch for performing the operation findAl(k) in an ordered dictionary implemented with a binary search tree T, and show that it runs in time O(h + s), where h is the height of T and s is the size … |
| | Your task is to implement Stack and Queue classes for Objects. Both Stack and Queue should extend Collection, which is an abstract class that will be given to you. You will need to download and modify the NetBeans project that goes along with this assignment. Stack should have the following …  |
| | Write a java project (applet) that has two classes. The driver class (has the init() method) should allow the user to enter into an Input Dialog Box, the mail type ("P" for Priority or "F" for First Class), a blank space, and the weight in ounces of the piece of … |
| | First of all, hello Im Joey and Ive recently started messing around with the Java language. Ill do my best not to bother you alot with my newbie questions :) So I need to create a method that returns some variables I have encapsulated, as String but without the last … |
| | I need help trying to figure out what I am doing wrong. my teachers wants two different sentences to read as "Wow, (insert word 1) and (Insert word 2) are funny" and on the second line he wants them reversed to read "Wow, (insert Word 2) and (Insert Word 1) … |
| | I have written a solution to the following assignment but I wont get any output. I used System.out.println randomly to see where my program stops and I figured out it is righ after the while (inputFile.hasNext()) method. Any suggestion will be great. Thanks! my assignment: build a program that uses … |
| | [CODE] //Member Login public static boolean memberLogin(){ int memberPassword = 123; boolean password = false; int confirm = JOptionPane.showConfirmDialog(null, "Are You A Member? ", "Member Confirmation", JOptionPane.YES_NO_OPTION); do{ while(confirm == JOptionPane.YES_OPTION && password == false){ String tempCurrentPassword = JOptionPane.showInputDialog(null, "Please Enter Your Password", "Default Password = 123"); int currentPassword = … |
| | Hi - I'm having a hard time figured out how to print the triangle shape below using loops. I did the two previous triangles with no issue but have no idea how to get the spaces in there. I'm really confused and would appreciate any help. [CODE] * ** *** … |
 | So this is my assignment: Represent the concept of a Number. For this example a Number is a thing that can be added subtracted, multiplied and divided. Each of these operations is binary and produces a Number as a result. Encode the the Notion of of an Int (an integer … |
| | hey guys I'm a newb to this C++ programming and I need help. I've made a non-recursive GCD C++ code, but i was having problems with the algorithm. Can someone help please? [ICODE]import java.util.Scanner; public class GCD { public static int GCD; public static int div; public static int remainder … |
| | [CODE]import java.io.*; import java.util.ArrayList; import java.util.Scanner; class Arralist{ public static <Cd> void main(String [] args) { ArrayList<Cd> liste = new ArrayList<Cd>(); try { Scanner input = new Scanner(new File("text.txt")); while (input.hasNext()) { liste.add(input.next()); } input.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } } }[/CODE] I got error like this : … |
| | im stuck in this terrible problem, I have a SOAP based webservice implemented in Java.The client besides other data is supposed to have "male" and "female" checkboxes so the user can either select one of them or both and the client is supposed to send it to the server to … |
| | This program runs very smoothly, except that it doesn't print the value of i and is obviously not running the second loop to calculate the margin of error but I don't understand why. Any help? [CODE] // This program was designed to calculate the value of pi import java.util.Scanner; public … |
| | Hey, I have been studying Java for a year in college and this year we started Object Oriented Programming. We have been givin some assignments and stuff but they all include creating Objects and Classes. Does anyone know of any good resources for Creating these as I am slowing down … |
| | Xuggle can handle many different video formats. What I am thinking about is to wrap the Xuggle into Swing component, and make a start/pause button and a progress bar on the top of it. Any suggestions? Sample codes would be great. MyDreamGirl |
| | Hello, I'm trying to make a chatting app just for educational purposes, to improve my skills and I got a question, or maybe a problem. Look at the Code first: [CODE]/* * To change this template, choose Tools | Templates * and open the template in the editor. */ /* … |
| | hi all ! i want to uninstall java java (TM)SE Developement kid 6...so i try to uninstall it but i cant i take a message like this [COLOR="Red"][B]Error 1723. There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run. …  |
| | Hi, I would like to enquire about web crawler. I have a sch assignment whereby i need to crawl websites but it has to be specific. Display first 10 urls of websites with keyowrds such as IT products around a shopping street/district. I manage to find tutorials to crawl a … |
| | I did it without using GUI because i am not sure how to do in GUI.I need help to put these code in GUI. [code]import java.util.Scanner; import java.util.Stack; /** This calculator uses the reverse polish notation. */ public class Calculator { public static void main(String[] args) { Scanner in = … |
| | Using a Single-Array, create a program that asks the user to input a day of the week, the high temperature, and the low temperature. Calculate the Average High and Low. |
| | I'm trying to make a Tic Tac Toe game for my Java class. I am not able to use JButtons only JPanels. I'm stuck on the part where my program determines if there are 3 x's or o's in a row. [CODE] public void winner() { if(3 = tictactoe[0].turn + …  |
| | Can someone please help me go over these codes? There are no bugs in all except LinkedListBinary.java and I have no idea why. The lines that are causing me problems are: [CODE] /** Returns an iterator of the elements stored at the nodes */ public Iterator<E> iterator() { Iterable<Position<E>> positions … |
| | Assuming that the values 1 to 7 are equally likely (if chosen randomly): Draw a 7-node binary search tree containing these values that would, on average, give the fewest number of comparisons. I'm not exactly sure how to answer this question |
| | Hi, Anyone know what is the math for manhattan distance vs travelling distance? and which one is faster? thanks. Regards, Anthony |
| | hi there i am working on a memory game project and my main problem is when i start the game user must not see the icons of buttons, when he/she press on a button then the i con should reveal, but some methods like [CODE].setPressedIcon()[/CODE], [CODE].setRollOverIcon()[/CODE] dont work if i … |
| | Hello, I have a Java homework that I need to extract the data from ASCII Text file. Here is the ASCII text file [url]http://weather.noaa.gov/data/nsd_bbsss.txt[/url] 72;211;KTPA;TAMPA INTERNATIONAL AIRPORT ;FL;United States;4;27-58N;082-32W;27-58-04N;082-31-33W;8;11; 72;212;KCTY;CROSS CITY AIRPORT;FL;United States;4;29-38N;083-06W;29-37-49N;083-06-31W;13;12; 72;213;KAYS;Waycross / Ware County, Ga;GA;United States;4;31-15N;082-24W;31-15N;082-24W;46;46;P 72;214;KTLH;TALLAHASSEE REGIONAL AIRPORT ;FL;United States;4;30-24N;84-21W;30-23-46N;084-21-20W;25;16; 72;215;----;Peachtree City, Ga.;GA;United States;4;33-22N;084-34W;33-22N;084-34W;262;244; I need … |
| | Hey guys, I am making A Vending Machine Program and seem to be getting error's when trying to do things outside a class and stops the Program. (Vending machine should keep looping until Quit is typed, and it will display a summary of money and cans left. [CODE] ******SODA MACHINE … |
| | I'm a beginner, just starting to take a java class! I'm doing this for homework. When I try to run this, it runs- but when it gets to the question that asks "Which kind- Chocolate Chip or Gingerbread Man?" and I answer, it just skips right to the next question. … |
| | [code] BufferedReader reader = new BufferedReader(new FileReader(strPath)); String line; while ((line = reader.readLine()) != null) { out.println(line); } [/code] My textfile is like: Statement1 Statement2 Statement3 the output i get is: Statement1Statement2Statment3 I need the output as it is..same as the text file...i have tried to identify the newline charc … |
| | so this is the assignment Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n). If d(a) = b and d(b) = a, where a b, then a and b are an amicable pair and each of a and … |
| | Hy , I have a little/big problem : I am a student and i live in a campus where i need to use a proxy and port to connect to internet. The app i made is a management system for a store ... and it is local. I used MySql …  |
| | hi everyone i have a program about the smallest and largest values that user input and the program decide which is the largest which is the smallest ,so i solved it and it worked fine but it's giving me the 2 values are the same the largest same as the … |
| | i have error: illegal start of expression can you help me ?? [CODE] public void AddBefor(int befor,int a) { if(head!=null) { if(head.value==befor) { IntDLLNode t=new IntDLLNode(a); t.next=head; head.preve=t; t.preve=null; head=t; } else { IntDLLNode t; for(t=head;t!=null;&& t.value!=befor;t=t.next); if(t!=null) { IntDLLNode t1=new IntDLLNode(a); t1.next=t; t1.preve=t.preve; t.preve=t; t.preve.next=t; } } } } … |
| | lets say i have a grid----->grid[10][10] i want to scan the grid for a char 's' what should I do should I... do a enhanced for loop and how can any show a example |
| | I would like to have a loop that creates a JFrame, sets it visible and waits until that JFrame is disposed of before creating another. Is this possible? A solution would be greatly appreciated I can't seem to figure this one out. ex: [CODE]for(int i=0; i<5; i++){ JFrame foo = … |
| | Hi, for the life of me I can't solve this problem. I've solved problems far harder, but this is just baffling me. The problem: [I]Write a program which reads a sequence of integers from the standard input (the keyboard) and prints the largest value read to the standard output (the … |
| | [CODE] package semBreak; import java.io.*; public class YLingaw { public static void main (String [] args) throws IOException { BufferedReader jill = new BufferedReader (new InputStreamReader (System.in)); char[][] board = { {' ','1','2','3',' '}, {'1',' ',' ',' ','1'}, {'2',' ',' ',' ','2'}, {'3',' ',' ',' ','3'}, {' ','1','2','3',' '}}; YLingaw.ehem(board); …  |
| | How would you create a basic search engine? Could this search engine also search based upon tags? (Not searching a site or database but just a .txt document) Thanks in advance! |
| | I have created a home page with a division in which 2 other JSP pages are to load. The validations fire properly when I lauch those 2 pages seperately. The problem is, validations arent working when they load within the first page. How can I solve this? Should i write … |
| | the problem im faceing here in my code is The events that i want to happen are not occuring after i select an item from the combobox,and also all other components are showing the same faulty behaviour. the faulty behaviour that they are showing is they are not firing the … |
| | Please Help me I can't start with this project ! Implement a city 'database' using unordered lists. Each record contains the name of the city (a character string of variable length), the mayor of the city and the co:ordinates of the city as integer x and y, Your system should … |
| | So when I compile, everything will compile just fine. When I go to run the program, I get this error [CODE]Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0 at ClientForNoDupCollection.main(ClientForNoDupCollection.java:20)[/CODE] I go to look at line 20(actually 19-21) [CODE]public static void main(String args[]) { File file = new File(args[0]); Scanner cReader = … |
| | I have this code i compile it and it ran but nothing came up can someone help with this? [code]import java.util.Arrays; import java.util.Comparator; import java.awt.BorderLayout; import java.awt.FlowLayout; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.text.DecimalFormat; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import … |
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