36,051 Topics
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| | Ok, Iam now doing my last assignment for my class. Thank god. lol Well I have to make a problem that will write an interactive Java program that allows the user to play the game of Hangman with words that are given to me from a file. Here is what … |
| | Hi, I'm trying to use JAVA GUI for first time. I've got a Jframe that when loaded adds a jpanel. the problem is it will not show any swing controls that get added to the jPanel. I'm using netbeans 6.9.1. any idea to why is happerning would be greatful [CODE] …  |
| | * This program inputs ten integers and * displays the mode using parallel arrays. * Use a method to calculate the mode. This is my specs. I cannot figure out a solution as to how to find the mode using only two arrays. Help would be gratefully appreciated |
| | I have problem how to calculate mutiple checkboxes on the panel. ex: 24 roses with a bear: This costs $72 or 1000 points and $12. 14 Lilies: $24 or 360 points [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.border.*; import java.io.*; import java.text.NumberFormat; public class customerInfoGUI extends JFrame … |
| | The problem that im facing is, the below code is working correctly and retrieve the pdf format files correctly and displaying it in the iframe. but it is only working in eclipse internal browser but not in firefox or internet explorer. what will be the reason for this.... Source code: … |
| | Hello Friends I have This important question about implementing double link list I have done it but it dosenot work , please try to find what is wrong.. Thank you but I need this work queckly... [COLOR="red"]CLASS LINK LIST:-[/COLOR] [ICODE]public class LinkList { [I][/I] public class LinkedList<T> { private DoubleLinkList<T> … |
| | Hi I am new to JSP, if some could help me in understanding what is wrong in this code [code]<html> <body> <%String newname="hi"; %> <%=request.getParameter("name")%> <input type=text value="<%=newname %>" name="newname"> <% newname=request.getParameter("newname"); out.println(newname); String modifyurl = "delete.jsp?newname="+newname+""; out.println("<td><a href ="+modifyurl+">Modify</a></td></tr><br>"); so when i print newname it always says null... please … |
| | guys good day!! i need ure help with this problem. we are going to make a program. 1. Store first memory location og program into base register (for memory protection). 2. Set program counter (it keeps track of memory space used by the program) equal to address of first memory … |
| | I have two classes.CyberLibraray and CyberBook These are the requirements: Design a CyberLibrary class which houses CyberBooks. Because of local laws, the CyberLibrary class has a limitation: the maximum number of books is 200. The CyberLibrary has the following constructors: Constructor #1: the default - Creates a CyberLibrary with the … |
| | [code]abstract class foo { abstract void bar( ); // <-- this is ok abstract static void bar2(); //<-- this isn't why? } [/code]why can't I define an abstract static method? |
| | Hello. I have search my app for all classes to implement java.io.Serializable. I think that the needed classes are covered.I create and serialize JInternalFrames. When I re-open a JInternalFrame some of the JMenuItems do not do thier job. Also when I right click the Tabs on the JTabbedPane to bring … |
| | I am having a problem get my program to compile. [B]ERROR[/B] Stopwatch.java:35: cannot find symbol symbol : method start() location: class Timer timer.start(); ^ Stopwatch.java:44: cannot find symbol symbol : method stop() location: class Timer timer.stop(); ^ Stopwatch.java:52: cannot find symbol symbol : constructor Timer(int,Stopwatch) location: class Timer timer = … |
| | I want source code for searching the data in our intranet website.. Please give me solution for search the data in JSP Language. Thanks  |
| | Please dont tell me to "google" it obviously I'v tried everything and this is my last resort. k thanks :) ok so I have to set a value to be restricted in the constructor ___________ Modify the constructor and set methods of the Shape class to verify the values of … |
| | its a basic calculator that sums number and i want to make a GUI for it but i dont know where i messed up please help [CODE] import java.util.Scanner; import javax.swing.*; public class Sum { public static void main (String args []){ Scanner result = new Scanner(System.in); int num1; int … |
| | I was reading and researching about adding color into my program. I found this code, which compiles perfectly, but does not show the desired outcome. Here's the code: [code] import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import java.awt.Color; import java.awt.Graphics; public class Login extends JFrame implements ActionListener{ private JTextField … |
| | I want to remove all the spaces, carriage returns, and "comments" (the text inside the <>'s) from this document: I tried the regular expression [ICODE]( )|(\n)(|<.*>)[/ICODE], but that removes everything but the [ICODE]-1[/ICODE] at the end. It doesn't do that if I remove the [ICODE]|(<.*>)[/ICODE], but then it doesn't remove … |
| | Hi! I'm new around here and I'm not quite sure how this works, but the main reason I subscribe to this web page is because I'm looking for someone who can write a program for me. I've done a little bit of it, probably 10% or less but I need … |
| | [CODE]public void takeGuess () throws IOException { temp=" "; Hangman obj = new Hangman(); System.out.println ("Enter a character or type in 'hint' for a hint!"); DataInputStream input=new DataInputStream(System.in); temp= input.readLine(); if (temp.length()==1) { guess=temp.charAt(0); if ((guess >= 'a' && guess <='z') || (guess >='A' && guess <='Z')) {System.out.println();} else {System.out.println … |
| | The question asks: Enhance the [I]addInterest[/I] method of the [I]SavingsAccount[/I] class to compute the interest on the minimum balance since the last call to [I]addInterest[/I]. [I]Hint[/I]: You need to modify the withdraw method as well, and you need to add an instance variable to remember the minimum balance. (Oh, and … |
| | Here's what I got so far. I am trying to add the two fractions together while following the UML. I attached the assignment to this as well. I have no Idea how to create the add method. It's for an online class, and this one is just killing me. Thank … |
| | Hi guys, im facing a real problem with a project im doing at the moment as Im new to Java. Ive set all the buttons for the program however, i need to make the pictures show randomly. also, il need to make some buttons work, like the nudge button for …  |
| | Hi! I'm trying to login to my website throught my program, to do that I need a password and username. The password is encrypted using C# SHA256 but on the server it uses an javascript code I got from the web. My problem is that my C# Hash differs in …  |
| | hello can you help me please how can i make the function array...please help me because i have no idea for this...thank you in advance hoping for your positive responds... |
| | SINGLE USER CONTIGOUS SCHEME: INPUT THE SIZE OF MEMORY DISPLAY THE SIZE OF THE OS BY COMPUTING 20% OF THE MEMORY INPUT THE NUMBER OF JOBS EXAMPLE: IF THE NUMBER OF JOB IS ENTERED THE SCREEN WILL GIVE YOU AN OUTPUT LIKE THIS JOB 1; JOB 2; JOB 3; JOB … |
| | I have a problem how to transfer my European CApitals Array into JLabel Array, without writing the capitals on each JLabel. I figured out my dropdown menues, but I want to display the counties on JLabels and parallel to it, the textboxes for the capitals, with the JButon next to … |
| | Hi! I would like to create textfields that will serve for sorting data in JTable, and the width of these textfields will correspond to a column width. So, below you may see the code that worked until I did not use an array of textfields. Now, the size of [ICODE]txtRegNum[/ICODE] …  |
| | We have this script that makes the photo change when you mouseover different items on the list. How can we make the photo link change as well? For example, how can we make the photo link to Yahoo when we hover over item 1 but to Google when we hover …  |
| | Can somebody help me change the rectangle to an oval? I try importing the Ellipse but it doesnt work :( [ICODE]import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.TexturePaint; import java.awt.geom.*; import java.awt.geom.Ellipse2D; import java.awt.geom.Rectangle2D; import java.awt.geom.RoundRectangle2D; import java.awt.image.BufferedImage; import java.io.IOException; import java.io.InputStream; import javax.swing.JFrame; import javax.swing.JPanel; import com.sun.image.codec.jpeg.ImageFormatException; import com.sun.image.codec.jpeg.JPEGCodec; import com.sun.image.codec.jpeg.JPEGImageDecoder; … |
| | Hi all! I have moved on to learning about classes.....they don't seem as bad as the past things I have done so far. I have, however, hit a few snags along the way. Here is my code for my Rectangle class [code] public class Rectangle { private int x; private … |
| | Please help I am brand new to java I need help creating the java code so that when I click a button it will add .01 to a running total. I have tried to modify a calculator code but it did not work. Any help at all. Thank you |
 | I'm writing Solitaire in java and have each column of cards set up as a 2d arraylist of JLabels, one label hads the icon and is painted to a jpanel. The other contains the url for the image as the text of the label. Below is part of the code … |
| | Hi there, I'm working on a 'queue program' which will queue 30 job numbers(case 1) between 1 and 30, validated, in an array, display the array , (case 3) and remove a number from the back of the queue.(case 2) I have the display array and remove from front of … |
| | Hey guys. I have a headache here as im new to Java. Ive tried searching, but found nothing that really helped me out. forgive a noob :) Im trying to split a string from a textfile with the following format: 0 0 0 0 0 0 0 0 0 110 … |
| | this is inside my servlet: [CODE]ArrayList<String> currentCustomer = model.getAllCustomers(); req.setAttribute("currentCustomer", currentCustomer );[/CODE] how do i access this arraylist in my JSP file? I eventually wanna loop over each string element. |
| | Just I am confused to choose which type of programming language for project development.... |
| | Hi I wanted to know how to do this: - when the user clicks on a index in listbox from classA - the value of that index(written in classB) will go into the textbox from classC I have already written the coding for classA I just need help writting the …  |
| | [ICODE][/ICODE]Hi, I am trying to figure out how to start my next Inventory program part 4. What I wish to know is 1. Do I choose a New Project or choose New File? What I have been doing so far is choosing New Project. All the programs are extending from … |
| | Hello, I basically have 2 GUI windows in my project. Just to explain it better, let's call the 2 GUI windows: - Window A - Window B In Window A, there is a variable that I want to change, but I have to change the value of the variable in … |
| | Hi all! I am extremely new to java and to computer programming in general so I greatly appreciate all our help. Here's my problem, I am trying to write a program that reads in a basic text file with some names and some numbers, and inputs the given information into … |
| | Hello Everybody, I am new into Java Programming. I am having a requirement of showing calendar in my JSP. Foe Example I have a field named 'Start Date' , whenever that field is clicked or is focused a calender should pop up and date chosen on that calendar should be … |
| | Is there a way by which I can examine how the class Class was coded? |
| | [CODE]import javax.swing.*; import java.awt.*; class Calculator{ JFrame frame; JPanel panel1, panel2; JTextField textField; JButton button[]; Container contentPane; void launchFrame(){ frame = new JFrame("My Calculator"); panel1 = new JPanel(); panel2 = new JPanel(new GridLayout(4,4)); textField = new JTextField(10); button = new JButton[17]; for (int i=0; i <10; i++) button[i] = new … |
| | Hello. It's been a while since I was on here. I'm writing a Java class with a generic type parameter. Among other things, it maintains an internal ArrayList of the same generic type as itself. In a perfect world, the code would go like this: [CODE=Java]import java.util.ArrayList; public class MyGenericClass<T> … |
| | Hi everybody, I am planning to build a java programe named word counter. It shall have file view and help menu. A text field where user can type or paste text. A button which starts counting number of words in the text. and a text field where the total number … |
| | I'm trying to improve one of my project by adding texture to a shape. The shape is oval, it basically the moon. I want it to have a realistic feel rather than gradient fill. So I look up some tutorial and this is what i got from [url]http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/Graphics.doc.html[/url] [ICODE] // … |
| | [code]public double bigramPMI(String bigram,String []bi) { String[] arr = bigram.split(" "); int n11 = 0, n12 = 0, n21 = 0, n22 = 0, n1p = 0, np1 = 0, n2p = 0, np2 = 0, npp = 0; double m11 = 0, PMI = 0; for (int i = … |
| | I have been trying to remove two errors in this code, line 12 (non-static variable this cannot be referenced from a static context) and line 204(cannot find symbol:(method `compareTo(java.lang.Object)` import java.util.*; public class InventoryPart3 { public static void main(String[] args) { Inventory invent = new Inventory(); <---[U]non-static variable this cannot … |
| | i am having this problem , i have 8 strings say ( boy,topped,pens,remotes ,boted ,toyed, car,house) but i am looking for 3 strings having substrings ending with a (ed,s,s ) for exapmle topp[COLOR="Red"]ed[/COLOR],pen[COLOR="Red"]s[/COLOR],remote[COLOR="Red"]s[/COLOR] however i have to check by first checking the first string boy and i throw it away … |
| | Hi all, I am having some problem writing an ImageJ plugin for display image histogram. [CODE]import ij.ImagePlus; import ij.plugin.filter.PlugInFilter; import ij.process.ByteProcessor; import ij.process.ImageProcessor; public class Create_New_Image implements PlugInFilter { String title = null; public int setup(String arg, ImagePlus im) { title = im.getTitle(); return DOES_8G + NO_CHANGES; } public void … |
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