36,051 Topics
 | |
| | Hi Guys I have a program thats supposed to generate 9 random objects made from lines and then allow me to save the panel showing the state of all 9 objects. Currently all 9 objects are being generated and when i click save the panel is being saved to a …  |
| | I need to fill an image created using a ton of QuadCurves, but they don't fill it all the way using the traditional fill method. Any suggestions? public class MonstercatComponent extends JComponent{ public void paintComponent(Graphics g){ Graphics2D g2 = (Graphics2D) g; drawGrid(g2); g2.setStroke(new BasicStroke(5)); QuadCurve2D earLeft1 = new QuadCurve2D.Double(145, 155, … |
| | Hi I want to send session variable in an array from one JSP page to another using code given below String[] textfield_a =(String[])session.getAttribute("textfield_a"); But i m getting error . plz help |
| | I having a problem with the cloneNode tag problem. NodeList movielist = doc.getElementsByTagName("movie"); Element child = (Element)movielist.item(6); Element newNode = (Element)child.cloneNode(true); child.appendChild(newNode); newNode.setAttribute("id", "this is newnode"); code above will clone the whole set of thing. but the problem is it colne in wrong tag. i want some thing like this … |
| | I have texts (Paragraphs) and I want to replace each of annotated wrong word in the paragraph with the correct word indicated by the position (index) number of the wrong word and i need to do it for each paragraph... So, what method should I use to search by index … |
| | Can any one send me the config setting for jdbc and mysql using apache server setting in netbean. i wanna use jsp with xampp and jdbc |
| | Below is the code i am using to create dropdown using listfields.In this i am able to create dropdown with hardcoded data binded to listfields with no Problem,but when i bind data from webservice when i clicked on horizontalfield(dropdown),first it shows the null pointer exception(White screen),by clicking middle button of … |
| | xml file <?xml version="1.0" encoding="UTF-8" standalone="no"?><movies> <movie id="1111"> <title>Blackhat</title> <genre>thriller</genre> <duration> 90 mins </duration> <age>28</age></movie> <movie id="1002"> <title>The Wedding Ringer</title> <genre>comedy</genre> <duration> 100 mins </duration> </movie> <movie id="1003"> <title>The Avengers</title> <genre>action</genre> <duration> 180 mins </duration> </movie> <movie id="1004"> <title>Taken 3</title> <genre>action</genre> <duration> 100 mins </duration> </movie> <movie id="1005"> <title>Insurgent</title> <genre>Science …  |
| | here I am again, I am currently stuck on round 1 and I have two week to build this game, and I am from there, system.out.println(hello, p2 what is your name) p2name = dashin.next(); system.out.println(now tell me love, what is your age p2); p2age = dashin.nextInt(); if(age < 4 || …  |
| | Hi I did a Simpletron program in GUI interface, but when I want to print the instructions in the window, it will not be as I want to. I used JGrasp to run the program and it just prints the instruction after each and not the way I wrote it … |
| | ok, so i know this is stupid and probably the easiest thing in java but my brain is not working right now. so i'll ask, how do you add the numbers after you divide them in a for loop. for example: i ask a user to enter a number, the … |
| | try { File file = new File("/Users/Alex Ting/Desktop/test2/MovieList.xml"); DocumentBuilder dBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); Document doc = dBuilder.parse(file); NodeList movielist = doc.getElementsByTagName("movie"); for(int i =0;i<movielist.getLength(); i++){ Node m=movielist.item(i); if(m.getNodeType()==Node.ELEMENT_NODE){ Element movie = (Element) m; String movieID = movie.getAttribute("id"); NodeList mnamelist=movie.getChildNodes(); for(int j=0;j<movielist.getLength(); j++){ Node n = mnamelist.item(j); if(n.getNodeType()==Node.ELEMENT_NODE){ Element name = (Element) … |
| | for(int i =0;i<movielist.getLength(); i++){ Node m=movielist.item(i); if(m.getNodeType()==Node.ELEMENT_NODE){ Element movie = (Element) m; String movieID = movie.getAttributes("movie id"); NodeList mnamelist=movie.getChildNodes(); for(int j=0;j<movielist.getLength(); j++){ Node n = mnamelist.item(j); if(n.getNodeType()==Node.ELEMENT_NODE){ Element name = (Element) n; //System.out.println("MovieID: "+ movie id + name.getTagName()+ ": "+ name.getTextContent()); } } } } it gave me error of … |
| | I want to pass the string from client to server and the server will display the string. First the client enter the option 1 and the server will reply ask from the movie name. My problem is i cannot enter the name from client and send it to server and … |
| | Hi, I am getting this error and just can not figure out what is causing it. I have looked at code from 2 different books. I have google searched. Here is part of my program that contains the code giving me problems. I posted the program from the beginning to … |
| | Hi everybody; I am a beginner in the BPEL development. I need tutorials that can help me to implement the parsing of a BPEL process into graph under netbeans 6.7 (the API that should be installed etc ( I have installed the JDOM API). I will be grateful if you … |
| | Hello, I've been working on this chat program which has a gui. Basically for now im just pressing start then connect to get a connection. Start is for the server window and if you press connect that will be the client window. I can send messages from the client to … |
 | Based on my understanding, both are doing the same way which also kind of override the methods. Abstract method is, both childclasses are having the same methods, but different execution code. Interface is, whenever the class implement the interface class, the class must write the execution of all the methods … |
| | I have a Task class (superclass) which inherited PracticeTest class(childclass). I'd faced question regarding my pass year question. In fact, we are allowed to declared like this Task aTask = new PracticeTest(); But i wonder why we are doing this way? Thanks for advance explanation. |
| | I want to get all the vertices from an ARC. I have all the data (for ex : start point, end point, start angle, end angle, radius) which will used to draw an arc but my need is I have to generate all the vertices from the arc data. I … |
| | I keep getting this error message when I try to run ----jGRASP exec: java DomParserExample Exception in thread "main" java.lang.NumberFormatException: null at java.lang.Integer.parseInt(Integer.java:615) at DomParserExample.getIntValue(DomParserExample.java:152) at DomParserExample.getAlbum(DomParserExample.java:111) at DomParserExample.parseDocument(DomParserExample.java:89) at DomParserExample.runExample(DomParserExample.java:35) at DomParserExample.main(DomParserExample.java:177) ----jGRASP wedge2: exit code for process is 1. ----jGRASP: operation complete. Here is my code that I … |
| | Hi! So yesterday when trying to run a program that previously ran perfectly, I received the error shown in the title and I've no idea why. Nothing that could have caused such error was changed, so I've absolutely no idea what the problem could be. Here's the code the error … |
| | Hi I'm new to this forum and to java, I have some work to do which requires that I have to write a program that reads in a list of whole numbers and that only even numbers in the range 1-100 are accepted and both 'N' and 'n' terminate the … |
| | Hi every one, i have been given an assignment, and i need your help in making the programme. The question is Write a program to simulate a lottery game where a set of the lottery numbers includes 6 different numbers from 1 to 49. A possible run may look e …  |
 | Hi I'm not even sure what you call this kind of thing but I believe 'InDesign' by adobe does this to some extent. I'm looking for a HTML/CSS/Javascript editor all in one. Basically I want to be able to type my HTML/CSS/Javascript code in one screen and see the results … |
| | I am trying to implement meeting scheduling algorithm. I want to randomly generate meetings and store it in a file. Then read this file in another code, create different agents who will try to schedule these meetings. My input meeting file is as follows: 1 20 25 [1 2 3 … |
 | Hi, so I've got this multithreaded server which correctly waits for clients and assigns them to a worker thread. From there, the client is sent an object `Packet` which contains variables `Player` and `Round` (simplified, it contains more data but these are the most important). I'm building a simple top … |
| | write a java program that reads integers only from a text file"myData.txt", square the integers and then ends the result to an output file "output.txt".the program should be able to skip text characters in the file and square only integers |
| | hi ! Anyone can tell me how can i get the value of dynamic textbox on jsp page. If i'll use request.getParameter("elementName"); here as text box will be generated dynamically i can't assign name of the text box . Pleeeeeeeeeeeeeeeeeeeeeeez help !!! Thanks :) |
| | hello everybody ^^ I have to make a calander ,and to let the user to insert any event ! the calander it self is working <<but I don't know how can I write the code to give the user the ability to enter a new event by entering some fields … |
| | I have to draw an image using Graphics and Graphics2D. The image is Monstercat How would you guys suggest I do the parts that have several curves to them? Do I use multiple QuadCurve2D or is there a way to do it in one method?  On a side … |
 | Hello Everyone. I am wondering if anyone has any experience working with Korean characters. I attempted to find out how to split them up, but I have had no success thus far. What I was thinking is having a character like "안" and having it split up into "ㅇ", "ㅏ"and … |
| | Hi. I'm using 3 classes: the Character class, the Scanner class, and the Test class. This is the Character class: public class Character { private char cargo = '\u0007'; private String sourceText = ""; private int sourceIndex = 0; private int lineIndex = 0; private int columnIndex = 0; public …  |
| | hi everyone i am building this java command line game. it is called counting numbers game. here is the detail descripbing of the game This game consists of 10 questions which are broken down into 3 game rounds. See below for rules regarding the game rounds: Round 1 This round …  |
| | I'm attempting to make a small program that when a user inputs a string, it counts all the letters. Here's what I've got so far: import java.util.Map; import java.util.HashMap; import java.util.Set; import java.util.TreeSet; import java.util.Scanner; public class LetterTypeCount { public static void main(String[] args) { // create HashMap to store … |
| | So I'm building this pretty simple top trumps card game as part of an assignment. I have the game logic built, the swing GUI is in place and I plan to do all the calculation on the server app and have it update the client up with the game's state, … |
| | I am working on an assignment for my object oriented programming class, it is a very simple program, but it has raised a question. My assignment is to create a rectangle class where I just assign points. The thing is we write our programs with notepad and run them through … |
| | ** I was building a program that is supposed to paint an image in a JPanel. I should be able to select an image (such as a JPEG) from the Open item in the File drop down menu and then it should be visible in a new window. However, the … |
| | Hi! Basically I am trying to add the graph inside the Jpanel which already exists. I am getting the erorr "adding a window to a container" Here is my code public void displayGraph(){ try{ String sql = "Select pressure, ventilage from statstbl"; DBCon conn = new DBCon(); JDBCCategoryDataset dataset = … |
| | import java.util.*; import Jama.Matrix; import java.util.*; import Jama.Matrix; public class Suceses { public static void main(String[] args) { System.out.println("회전할 각도를 입력하시오 :"); Scanner a = new Scanner(System.in); int kakdo = a.nextInt(); System.out.println(a); double rad = (kakdo*Math.PI)/180; int x= 50; int y= 30; Matrix A = new Matrix(new double[][] { {Math.cos(rad),Math.sin(rad)}, … |
| | I am new to OOP, i am not sure if this is the correct approach or not. Need some insight. Assignment 3 Write a class named CreditCard that has (at least) the following member variables: name. A String that holds the card holder’s name. cardNumber. A field that holds the … |
| | Implementation of ADT Tree (array) to perform the following operations on an ordered general tree a. create a tree (which is initially empty) ... max of 2 levels only b. leftmost child (n, T) - returns the leftmost node in the tree T c. right_sibling(n,T) - returns the right sibling … |
| | When launching exe file, I am getting the following error, 'The registry refers to a nonexistent Java Runtime Environment installation or the runtime is corrupted. The system cannot find the path specified'. No issues with Environment settings. Can you please help on this. This is really very urgent issue. Kindly … |
| | I'm trying to make a program that removes all occurences of a specified string from a text file. I'm having trouble with tying in everything to make it work, so that the user is prompted to enter a string. This is what I've got: import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; … |
| | Ive made a java program to do automated tasks for a game. It takes screen shots with java.robot every 250 milliseconds. The program is working great, but it will always crash at around the 30min mark Im running this program on my mac, and this is the crash report that … |
| | Hey! Firstly, here's the code: for (Row row : sheetToSearch) { for (Cell cell : row) { if(cell.toString().equals("Oladimeji")){ System.out.println("Found Oladimeji!!"); break; } else { System.out.println("Oladimeji not found...."); } } } What this does is search through the an excel spreadsheet, looking for a name (which happens to be my surname!). … |
| | Hey, I am trying to make use of the apache POI in my Java project in Eclipse. I previously tried using jxl but what I wanted to do didn't seem so simple with it. With jxl, all I had to do was import a jar. I don't seem to be … |
| | hi everyone, i am doing a pizza ordering Gui. i am stuck on 2 things, i am trying to get the receipt string to store the items that are checked. they are multiplying when they are displaying. the second is displaying the string in the jtext area, any help woud …  |
| | I want to rotate k top element of array for example: k = 2 array before rotate --> 3 , 4 , 2 array after rotate ---> 3 , 2 , 4 int[] temp = new int[k]; for (int i = 0; i < k; i++) { if(this.stack[i]!= null){ temp[i] … |
| | This my code someone say were i missed it OAuthRsaSha1Signer rsaSigner = new OAuthRsaSha1Signer(); com.google.gdata.client.authn.oauth.OAuthParameters params = new com.google.gdata.client.authn.oauth.OAuthParameters(); params.setOAuthConsumerKey(oauthconsumerkey); params.setOAuthNonce(Util.getNonce()); params.setOAuthTimestamp(Util.getTimestamp()); params.setOAuthSignatureMethod("RSA-SHA1"); params.setOAuthType(com.google.gdata.client.authn.oauth.OAuthParameters.OAuthType.TWO_LEGGED_OAUTH); params.addCustomBaseParameter("oauth_version", "1.0"); rsaSigner.setPrivateKey(privKey); String method = "GET"; if (body != null && body.length() > 0) { method = "POST"; MessageDigest digest = MessageDigest.getInstance("SHA-1"); digest.reset(); byte[] hash …  |
The End.