32,199 Topics
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| | hi i have write LSD radix sort but it does not work can anybody help me? here is code public class LSD{ public static int R=1<<8; public static int bytesword=4; public static void radixLSD(int a[],int l,int r){ int aux[]=new int[a.length]; for (int d=bytesword-1;d>=0;d--){ int i, j; int count[]=new int[R]; for …  |
| | Write the ideal weight calculator so that height in inches is entered by using a slider. Use the approximate formula: W = H2 / 30 , for female W = H2 / 28 , for male where W is the ideal weight in pounds, H is the height in inches … |
| | Hi every one!! I have a java program and i don't know how to delete a record from an array of objects using JOptionPane |
| | Hello all, I need a bit of help with this program, I need to make my code create a complete binary tree using an array. As well as create a driver class that displays the tree graphically Here is what I have so far with my code Tree Code: [CODE]import … |
| | I am getting an error message that is quite new to me. I normally can call methods without incident but this time, I saw a new error message. This code is sample coding I am using to see how to fix three of my issues. First Class [CODE] public class … |
| | Hello i have an assessment to make a car park in GUI and i have tried some stuff but didnt work I need to make in two classes one with the main method and a JFrame container and the other with the buttons for park controls and others Any help …  |
| | I am trying to download an excel file that is avalible on this site: [url]https://www.arcavision.com/Arcavision/index.jsp[/url] Once you are logged a frame opens where you fill out a form and then click submit. On pressing submit the result of the query shows and gives you the option to download the data. …  |
 | Okay, so I'm having problems with my code. I've browsed Daniweb and couldn't find any solutions on here that work. I'm extracting 2 sets of texts from a .xml file. The first part is a directory name(eg. "C:\work\") and the second part is the name of a file in that … |
| | Im working on Java app that stores sms and parses this sms. i have them stored in a text file in this form; "21M32113Good19F41324Agree..." i want to parse messages in this form "Age Gender Ans1Ans2Ans3Ans4 Comment" e.g "21 M 32512 Good".i also need to insert new line breaks to separate … |
| | I am trying to include this piece of code in my Java Class. But the compiler tells me that it can't find Class Calendar. I can't create a class within a class though, can I? Any advice on how I can link this in to the rest of my code? … |
| | I need to calculate percentage relative to a particular bar within the series in a barchart Could any one help me out |
| | I want to develop a JAVA application which can send and receive SMS. I have a mobile phone connected to PC through USB cable. This JAVA program in PC should be able to send and receive SMS. AT commands are used to instruct mobile phone to send/receive SMS. But how …  |
| | I have a combobox on a panel that changes tables on the panel. How would I get it to repaint if this panel was on a JTabbedPane in a InnerFrame in a JDesktopPane? It repaints but after I switch for one tabs and then back to the said tab. thanks. |
| | [code]BarRenderer barrenderer = (BarRenderer) plot.getRenderer(); DecimalFormat decimalformat1 = new DecimalFormat("### %"); barrenderer.setItemLabelGenerator (new StandardCategoryItemLabelGenerator("{2}",decimalformat1)); barrenderer.setItemLabelFont (new Font ("Bold", Font.PLAIN, 12)); barrenderer.setItemLabelsVisible (true);[/code] In eclipse I got the StandardCategoryItemLabelGenerator cannot be resolved to a type in the below line StandardCategoryItemLabelGenerator I import import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; there also i can get redline below … |
| | Hi there, is it valid to have a java class name and file as [CODE]public class DVD extends Items{[/CODE] and [CODE]public class CD extends Items{[/CODE] where its all in capitals? -thanks, sorry for the short question. |
| | I need my rows to allign like this and my code is below, can someone tell me what I should do. Loan 1 15,000 12% 60 $333.67 $5,020.20 $20,020.20 Loan 2 15,000 10% 48 $xxx.xx $x,xxx.xx $xx,xxx.xx Loan 3 15,000 08% 36 $xxx.xx $x,xxx.xx $xx,xxx.xx [CODE] import java.math.*; import java.text.*; … |
| | Hi Guys, As you will see from my code snippet below, I have a masked text field that only allows the user to input a number between 0 and 9. I have wired up an event as when the user inputs a number I need to extract the number and … |
| | Write a program that simulate a die roller. The user should type in the number of the throws. Let the program count how many ones, twos, threes... are in the series. In the end the program should write down how many ones ... that was and also figure out the …  |
| | [CODE] StringTokenizer st = new StringTokenizer(line); while (st.hasMoreTokens()) { String wordIn = st.nextToken(); if (wordIn.endsWith(".")) wordIn = wordIn.replace('.', ' ').trim(); if (wordIn.endsWith("?")) wordIn = wordIn.replace('?', ' ').trim(); if (wordIn.endsWith(",")) wordIn = wordIn.replace(',', ' ').trim(); String result = bd.searchBase(bd.getWords(), wordIn, 0, bd.getWords().length -1); if (result != null) System.out.println("Word found \n"); else … |
| | can any1 kindly help me how can i wirte in database using JDBC, i had alredy made connection with me database,,, so plz tell me how to write in database access file? |
| | Hello The ActionPerformed will not unload the viewPort to load the new viewPort that holds a table. is there a way to reload the table? The first actionPerformed supplies the table but the next will not remove table and add the new one. [code] package view.content.panels.guide; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; … |
| | So the following is where I think the problem lies in my code: [CODE]public void actionPerformed(ActionEvent i) { int temp; double newtemp = 0; String inputString; inputString = infield.getText();//pulls the number that was entered in the input field temp = Integer.parseInt(inputString);// makes a new variable to handle the input //tells … |
| | what is the difference between them when an entity is considered (EJB)? Thanks. |
| | Hi i am new bie to swings. if i have a JTable. And i want to add number of rows with different number of columns like Employee1, Software Developer, swings Employee2, software developer What is the way of adding rows having different number of columns to a JTable Thanks. |
| | im a little on the weak side in loops.....n hearing that programs are solved by bright people here.....i am requesting help with a few programs in loops...i dont understand them...and am expecting you people to help me 1- ******* _***** __*** ___* __*** _***** ******* NOTE-(_) MEANS SPACES 2-Write a … |
 | Howdy, First off, I should say that I am jumping on posting this issue much quicker than I normally would - but I'm not really in a patient mood now, and I'm far from being a fan of anything the W3 has done. Anyhow, I am in the process of … |
| | guys me trying to use switch statement in this program but cant get to end... i tryed to convert string into char but dont knw why it still not getting right... please help me [code]import javax.swing.*; import java.io.*; class HappyBirthday { public static void main(String[] args) throws IOException { String … |
| | Hi folks. I'm making a GUI. It contains multiple JPanels. I'm having trouble making contents of other JPanels (than the first/main JPanel; others are subclasses to the first one) visible... From the first JPanel, I call a draw method to a second JPanel. This second JPanel's draw method displays a … |
| | I have been using java for some time, and can code back end stuff with ease. GUI's on the other hand I Find hard to deal with. So anyway, I'm making a game (text based), and would like to implement a console type GUI. I have already made a jframe … |
| | Hey guys, I'm writting a program that reads a list of names from a file called name.txt and instert these names directly into a linked list in alphabetical order of [B]last[/B] names. For example, if the text file has these names: Henry Johns III, Albert Einstein, Henry Johns II, Mary … |
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