31,001 Topics
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| | 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 … |
| | I can turn on anti-aliasing, but whenever I draw stuff the arguments are still ints, not floats or doubles. How can I change this? |
| | Well i intended to develop a sohisticated java server client program . but just couldnt push myself so far so ust had to satisfy myself with it. Well , i have created a simple chatting interface . i would not call it a chatting interface actually cuz i had something … |
| | Hi! When I try to run the code [ICODE]tableModel.setQuery("select l_code, l_title, l_description from Lists");[/ICODE], then I receive the following error: [CODE] java.lang.ArrayIndexOutOfBoundsException: 0 >= 0 at java.util.Vector.elementAt(Vector.java:427) at SystClasses.QueryTableModel.getValueAt(QueryTableModel.java:72) at SystClasses.QueryTableModel.getColumnClass(QueryTableModel.java:53) at javax.swing.table.TableRowSorter.useToString(TableRowSorter.java:224) at javax.swing.DefaultRowSorter.updateUseToString(DefaultRowSorter.java:607) at javax.swing.DefaultRowSorter.sort(DefaultRowSorter.java:556) at javax.swing.DefaultRowSorter.allChanged(DefaultRowSorter.java:816) at javax.swing.DefaultRowSorter.modelStructureChanged(DefaultRowSorter.java:826) at javax.swing.JTable.tableChanged(JTable.java:4364) at javax.swing.table.AbstractTableModel.fireTableChanged(AbstractTableModel.java:280) at SystClasses.QueryTableModel.setQuery(QueryTableModel.java:110) at SystClasses.Form.createAdminTable(Form.java:747) at … |
| | Hello all, is that possible to help me out with Error Checking for user input? I am developing a peg solitaire program and now need a error checking for user input or for input file. Either use try and catch.. or making another method.. can anyone give a me a … |
| | I have to create all the method signatures in the ResizableArrayList and then fill it in with comments. And each method is supposed to be blank with a return null or --1. How do i do this?  |
| | Hey, I've gota make a program that reads characters from a text file, produces the Huffman code tree, and prints the codes for each character in the file. I've already written the code to read chars from a text file, but the Huffman code tree is the part I'm a … |
| | I have to create all the method signatures in the ResizableArrayList and then fill it in with comments. And each method is supposed to be blank with a return null or --1. How do i do this? |
| | Here is what I need to do: have three editable text fields labelled operand1, operator, and operand2, and a fourth read-only text field labelled result. Have a button labelled Calculate. WHen the button is clicked the appropriate operator is applied to the two operands and the resulting value placed in … |
| | Hi all, I'm having a bit of a problem implementing a GUI and have no experience in multi-threaded programming. Here's the what I need to do: -Open GUI with file chooser -After user has selected 2 files, return control back to Main, along with an array of the selected files/file … |
 | i want to write a a program that will accept student name and grades and output it.use an array data structure in the implementation this program and implement the following write method that will traverses the array and allow the user to perform the following processes a) search for a …  |
| | The problem is Design a class named Person with fields for holding a person's name, address, and telephone number. Write one or more constructors and the appropriate mutator and accessor methods. Next design a class named Customer, that extends the Person class. The Customer class should have a field for … |
| | Hello I'm having trouble extending JPanel. I know how to extend JFrame but my assignment calls for JPanel. Here is what I have: [CODE]import java.awt.Color; import java.awt.FlowLayout; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class Guess extends JPanel { private … |
| | I'm trying to organize my frame so that I have two panels, one on the left and one on the right, sort of like a website design with buttons on the right and empty text area on the left. How in the hell is this accomplished? I've been screwing around …  |
| | Hi.... I have made this code for my college project but don't understand why i am getting some errors like 2 Error : java.sql.SQLException: [Microsoft][ODBC Driver Manager] Invalid cursor state (This error occured while checking availability of seats...) Also the Report section of project is not showing anything can anybody … |
| | Hey guys! So, I created this form, but I can't seem to add color to it. I'm trying to make it color red. I've been trying to change the color for 2 days cuz I'm a noob :) Thanks guys! Here's code by the way: [code] import java.awt.*; import java.awt.event.*; … |
| | Hi friends, I am doing Bachelor's Course In Computer Science Engineering. Recently I recently completed my course on Application Development and Database Management. Coincidentally a few days ago I was asked by my friend to do a simple software for managing his store. So, i thought I got an opportunity …  |
| | Hi friends, I am doing Bachelor's Course In Computer Science Engineering. Recently I recently completed my course on Application Development and Database Management. Coincidentally a few days ago I was asked by my friend to do a simple software for managing his store. So, i thought I got an opportunity … |
| | Ok, im gonna go ahead and just paste most of the stack trace in, (its massive) : java.io.NotSerializableException: com.sun.java.swing.plaf.windows.XPStyle at java.io.ObjectOutputStream.writeObject0(Unknown Source) at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source) at java.io.ObjectOutputStream.writeSerialData(Unknown Source) at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source) at java.io.ObjectOutputStream.writeObject0(Unknown Source) at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source) at java.io.ObjectOutputStream.defaultWriteObject(Unknown Source) at javax.swing.JComponent.writeObject(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at … |
 | Im currently running out of ideas at the moment and need some suggestions or ideas. [B][I]The alert (a popup) should be generated when the time at which the call-back time has been requested is in 1 minute from the current time.[/I][/B] My current program uses a while loop which keep … |
| | Hi, Does Java provide any API that enables the communication between the Java GUI and an FPGA or any other hardware device? Cheers |
 | What is the difference between writing a application java program and a java program? I was asked to write an application java program and then I was asked to write a java program(s). Which is just one program and which is the one with that has to have two files … |
| | Dear friends Please give me the JAVA CODE FOR CONVERTING COLOR IMAGE TO GREYSCALE IMAGE and creating the histogram of that greyscaled image .Including header files also... Anyway thanks in advance May GOD blessyou bye.... |
| | I am doing a project on developing a one time password system. In that, I have to encrypt a counter value and secret key together by HMAC SHA 1 algorithm. But the counter value and key need to be stored very safely on the server. Is there anyway by which … |
| | I have to create a class that will pick partners at random for my class tomorrow, out of the people that are in it. What I have so far is simple enough... [CODE]import java.util.*; import java.util.Random; public class GetPartners { public GetPartners() { } public void getPartner() { String[] names … |
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