36,051 Topics
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| | I need help creating my moneydriver. requirements: 1- the driver class should create an array of 5 objects. 2- must use loop to determine which Money object has the most amount of money. 3- I need to use compareMoney() method for my comparison. I start building my MoneyDriver but need …  |
| | Hi, i am trying to write a program in java where i would concatenate a CREATE TABLE statement with my values from the first row of excel file and hold the fields name to create the SQLStatement. To be more specific i would like to create a table to store … |
| | I've a problem to my linkedlist at line 10. Can anyone help me to solve it? Thank in advance.  This is my code : package linkedlist; import java.io.FileReader; import java.io.IOException; import java.util.Scanner; public class LinkedList { private String firstName; private String lastName; private static LinkedList<LinkedList> classRoster = new … |
| | Basically i have literally just started learning Java Script and i was seeking some help as to how i could repeatedly display the character "X" any given number of times using a function. Here is what i have so far: function makex(8) { var resultStr = ""; for (var xcount …  |
| | Hi every body, I am trying to parse an xml file with sax parser in java and then fulfill a Jtable with the XML elements. The parsing is well done, the Jtable is created but the problem is that all the elements are placed in the same row and the … |
| | I just needed some assistance on formatting the output into a specific fashion. I satisfied all the requirements of the assignment, except the output. I apologize for the bad format of this post, any suggestions and help is greatly appreciated. I need the output to look like: Mr. Random - …  |
| | Hi, I am looking to write a internet scraper, and have considered the following languages: Python C++ Java The scraper will need to: - Retrieve HTML code from a page - Select a link, name and description from a section of the page - Ask for user confirmation (non gui … |
 | Hi all, I was reading a few things on the net about how to calculate a leap year in java (and not only for that matter). So something like `...if( year % 400 == 0 || ( year % 4 == 0 && year % 100 != 0 ) )...` … |
| | Hi I wonder if somebody can help me to understand a few things in the following example: // Fig. 8.17: PackageDataTest.java // Package-access members of a class are accessible by other classes // in the same package. public class PackageDataTest { public static void main( String[] args ) { PackageData … |
| | I have created one GUI.java file inside it i have written a code of GUI,which includes filechooser and button. I also have created logic.java file, inside it i have write my logic for performing some operation. On the click event of button, i want to pass a path chosen by … |
| | Hello, I'm trying to create a driver for the money class. I need to create and array of 5 money objects. Also I need to use a loop to determine which money object has the most amount of money using "compareMoney()" class: public class Money { private int dollars; private …  |
| | i am trying to use recursion to find the occurence of a specific character in an array of characters public class CharacterCounter { public static void main(String [] args) { char test[] = {'a', 'b', 'a', 'c', 'd', 'a', 'e', 'a', 'f', 'g', 'h', 'a', 'i', 'a'}; char searchChar = … |
| | hi everyone :) im hoping to learn a healthy amount of vb10/12 by the end of the month. mainly to improve my cv and get a better shot at jobs. originally wanted to learn vb6 for a college project , but after a post in daniweb , my ideas are … |
| | I am writing a program, and the solution I have involves deleting certain elements from an array until there are none. My code is below, but the error it shows is no return statement. This is because I don't have an else statement for some ifs, does anyone know how … |
| | i just say some using "this." in setter, getter and constructor method. i have never done this so is this good prative to use "this" in getter or setter. ex: public test(int ix) { this.x = ix; } or public int getX() { return this.x; } |
| | Write a java code, Extend class Fraction by adding methods for the arithmetic operators +, - and /, and the six relational operators (==, !=, <, >, <= and >=). Then compute a menu-driven fraction calculator. Program shoud do all 9 arithmetic operations and 0 to stop. User should first … |
| | [B]How to convert text in an Image to Text and save it in .txt or .doc format. If there are any open source please help me out....[/B] |
| | I have a java class for enc/dec in DESEDE; for some cipher texts it results in this exception: Input length must be multiple of 8 when decrypting with padded cipher I have not written this code myself I have found it in a thread in this website; could anyone please … |
| | I am working on an insurance html site with flash slideshows that lead to embedded Iframe (java) for enrollment. The embedded page starts with a link that needs to be clicked before the user can continue. the link states "javascript:WebForm_DoPostBackWithOptions(new%20WebForm_PostBackOptions("LoginCtrl$NewEmployeeLink",%20"",%20true,%20"",%20"",%20false,%20true))" Is there a way that I can have my parent … |
| | Hi, I'm working on my final project and I'm almost done , but I notice error in my program I have JList and csv file the user load the file then the user can add new item to the JList they need to enter the id,title,publisher ..etc the problem is … |
| | Hey guys! I have a project for school that involves changing the code I posted under this. One problem that I cannot figure out is how I would convert the mouse listener to a key listener. I believe the checkEmpty, moveTile, and exchangeTile methods will have to be coded differently …  |
| | Is it possible to merge both the 2 element below so that they work on a single page. What i mean is this should be the background of the page: http://tympanus.net/Development/AnimatedResponsiveImageGrid/index3.html and a slideout contact form can appear at the corner over the background: http://www.building58.com/examples/tabSlideOut.html Is it possible, how? |
| | Hi, I have a csv file that looks like this: Date, Cost Jan 12, 23.2 Feb 2, 45.3 May 4, 33.4 March 3, 32 May 9, 21 July 22, 332 Aug 3, 765 I am using scanner to read the file and can do that with no issues. Howevet, I … |
| | i want to create 2 items on screen. each item will be different color rect. item1 = green rect item2 = blue rect if user get the 1st item. than it will print bullet1 1st image. if user get the 2nd item. than it will print bullet2 2nd image. bullet1 … |
| | Hello! I have made a java program in Netbeans IDE (version 7.1). I want to make a file that could run my project without IDE (with the help of just Java, JRE, etc).... I had made a JAR file to try this, but when I open the file, i cant … |
| | I have a binary tree, that user types in a string, if the string does not exist, it adds it to the tree, but if it does, it increases the frequency by 1 instead of adding it to the tree. I have my search working(I think I do anyways), The … |
| | hi i want to create a project that accepts the image and save it into a database and retrieve 1.i created a table in mysql database with datatypes varchar and blob. 2.to save the file into a blob datatype the file is to be converted into a inputstream 3.i created … |
| | Hi DaniWeb, I've just tried to install eclipse on my linux laptop. I have oracle java 7 installed, but I am getting an error (see below). Can anyone point me in the right direction to get Eclipse installed? I don't know what to do next. BTW, I'm using "linux Peppermint", …  |
| | Hello. I am trying to recreate manually a small celsius-to-fahrenheit converter that I created with Design view before that. I used its code for reference, but still doesn't work. When I run my code I don't get the components drawn on the screen, only an empty window. What am I … |
 | Okay so I have a function that looks like this: public void createMap(String mapName){ ArrayList<Point> Positions = new ArrayList<Point>(); Positions = Maps.map1; ... } where Maps is another class, and map1 is a method in that class that returns an ArrayList of points. What I want to do is make … |
| | need help with the following java program a.s.a.p please a pension fund company maintains employee date of birth details in order to calculate each employee's package value for retirement. the retirement age is 65 years old and each employee accumulates 0.015% of monthly salary towards retirement. write a java program … |
| | I'm using Sql Express in Eclipse here is the code import java.sql.*; public class Login { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("This is my new world"); //String url = "jdbc:sqlserver://\\SQLEXPRESS;databaseName=pay;integratedSecurity=true"; String url ="jdbc:sqlserver://SQLEXPRESS;databaseName=pay;integratedSecurity=true"; try { Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); } catch (ClassNotFoundException … |
| | i have a Life class. which just prints a image of heart. i want to have 6 lifes so iam adding 6 classes in arraylist. 1st heart one left. 2nd heart next to it..... int life = 6; //LIFE - create 6 heats and store in arraylist lifeClass = new … |
 | javascript code : $("input#input_field[name=brithday]").datepicker({ dateFormat: 'dd-M-yy', showAnim: 'slide', changeMonth: true, changeYear: true, yearRange: '1990:2020' }); jsp code : <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Profile</title> <link rel="stylesheet" href="css/style.css" type="text/css"> <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.2/themes/smoothness/jquery-ui.css" /> <script src="http://code.jquery.com/jquery-1.9.1.js"></script> <script src="http://code.jquery.com/ui/1.10.2/jquery-ui.js"></script> <script type="text/javascript" src="JS/javascript.js"></script> </head> <body> <% %> <div> <div class="blackDiv"> </div> <div class="whiteDiv"> … |
| | Using this example json file: { "stores": [ { "storeName":"AUGUSTA", "company":"CC", "emailAddresses": ["spowel4@gmail.com", "spowel4@yahoo.com", "steve@compsysplus.com"] }, { "storeName":"CHATTANOOGA", "company":"CC", "emailAddresses": ["spowel4@gmail.com"] } ] } I have this code to try to parse the file: public static void main(final String[] args) throws Exception { // TODO code application logic here ObjectMapper … |
| | Hey Fellas, I created 10 JTextFields using and ArrayLists: `ArrayList<JTextField> textFArray = new ArrayList<>();` textFArray.add(new JTextField()); gbc.gridx = 1; for (int i = 0; i < 10; i++) { gbc.gridy++; add(textFArray.get(i), gbc); textFArray.add(new JTextField(i)); } What I need to do: I need to get the values of what ever the … |
| | i have two classes, enemy class and level class. in level class i am changing the counter value. note i set up my if statment so it will only goes in onces and never again. so if u reach lvl 2 than it will go in lvl2 if statment onces … |
| | Hello! I use the Serializable interface in one of my projects but I have a problem. I serialize some objects and when I try to deserialize them after I run the application several times, the only object that is deserialized is the last one that was serialized. Do you have … |
 | Hello guys i have started project that i want to translate text from Latin to Cyrillic so i have just this and i dont know how to continue any help will be appreciated - Thanks :) private void TranslateActionPerformed(java.awt.event.ActionEvent evt) { String TextToTranslate = textToTranslate.getText(); char[] latinica = { 'a', … |
| | Hello Everyone, I have a problem and looking forward for your kind help. I need the <select> tags option value to be set selected on the page load. The problem is that everytime the value which is to be selected may change on each page load. Thank you. |
| | I have created a simple UDP client and server, but I have some problems with how to actually structure the servers operational handling, whether its if Else or case selections. 1.The user sends a Packet to the server, containing a string that they've typed in. 2.The server receives it and … |
| | Hi to all, i am newbie in java. I have created a program to read data from excel files with APACHE POI and show them in my console. I am using Eclipse as editor. Now I an trying to import these data in database so I can store them. The … |
| | Hi chaps, what do we define as a client of a class please? I keep reading about "clients of a class" but I don't understand what that means. Maybe it is better to have some examples: take the following 2 files: //Employee.java public class Employee{ public static void main(String[] args){ … |
| | how hard is to learn object-c, if you know java. i want to build online games in java and build apps in object-c. i want to switch between them fast. can you give some idea how same or different are those language are? |
| | Ok so i have implemented a program that simulates a post offie, but now i cant figure out why my threads arnt join and printing, also not sure why my threads are not interleaving. Anyone care to take a look at my code?, its kinda long thats why i dint … |
| | Hello, Iv recently been having trouble with a java project im working on as i need a button to add a sentence to a Swing list box. The problem im having is it uses an observable class and an observer. Fundamentally the list adds the elements to an array in … |
| | Whenever I try to run this nothing happens. Does anyone know what's wrong? package hobbits; public class Hobbits { String name; public static void main(String[] args) { Hobbits []h = new Hobbits[3]; int z = 0; int x = 0; while (z < 4){ h[z] = new Hobbits(); if (z … |
| | Hey guys, I'm making a hangman project just for fun, and i was wondering if you could help me. * I have 5 classes * class 1- main (basically controlls everything except recognizing where the letters are located in the word and printing the hangman picture) * class 2- char_array … |
| | Ok so I'm using a buffered reader to read a file and it works alright but my problem is I have integers in this file I have to find and place into an array and I don't know how to do this(feel so stupid). I'm trying to work on a … |
| | Sorry for my poor english as i'm not a native english speaker and writer, but i have written a code which calculates big numbers, adding subtracting and multiplying. when multiplying, adding and subracting numbers, it works, but when i try adding 0 to 0 or subtracting 0 to 0 or … |
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