32,199 Topics
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| | Hi It is difficult to explain my problem. I have 2 classes. 1 is called System and the other Phonebook. There is a button called phonebookButton on a frame which a have created in the System class. When you press the button, I create an Object of the Phonebook class(Phonebook …  |
| | Hi everyone, I have a rather silly question but please bear with me for a while. If lets say i have a string which has the contents [code] "C:\\p\\kol\\pki.txt" [/code] the thing with the above string is that if i use as an argument in a fileinputstream it will only … |
| | I have a CardLayout within which I have panels constituting each 'card'. However, the panels refuse, seemingly, to respond to my sizing requirements. doublePane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, comboPanel, lowerPanel); comboPanel.setSize(new Dimension(100, 600)); // totally ineffective lowerPanel.setSize(new Dimension(1100, 600)); JPanel displayPanel = new JPanel(); displayPanel.add(doublePane); displayPanel.setSize(1200, 600); mainPanel.setLayout(new CardLayout()); mainPanel.add("Main", displayPanel); … |
| | I brought some of my work home with me, but when I try to run the program here, I get the following errors: "SDClass.java": cannot find symbol; symbol : class JDOMException, location: package org.jdom at line 22, column 17 "SDClass.java": package org.jdom.input does not exist at line 23, column 23 … |
| | Ok, I am working on a program that lets a user enter a year which they want a calender for. The program figures out if the year is a leap year (completed), what day January 1st falls on so that the calender has a starting point (completed, see new code … |
| | Im not very sure on how to store the (x,y) coordinates of the Point2D.Double object into an ArrayList so that I could access them later. I have looked through the Java classes on Point2D.Double, but have only found its constructors and methods and not on how the coordinates can be … |
 | This is the error message I am getting and the driver and class is below it. Thank You if you can help me :) C:\My Documents\CS151\CircleSolutionDriver.java:18: cannot resolve symbol symbol : constructor Circle () location: class Circle Circle circle = new Circle(); ^ 1 error Tool completed with exit code … |
| | Hello all, I have the following exception: java.security.AccessControlException: access denied (java.io.FilePermission blahblah.. myfile.gif read etc... my code: JButton myButton = new JButton(new ImageIcon("myfile.gif")); I added the ff to my java.policy file grant codeBase "my domain-" { permission java.security.AllPermission; permission java.io.FilePermission "<<ALL FILES>>", "read, write"; }; No go :( Did I … |
| | Here is a good tutorial link: [url]http://www.javaworld.com/javaworld/jw-05-2002/jw-0503-java101_p.html[/url] As a matter of fact: [url]http://www.javaworld.com/[/url] Has some excellent articals. |
| | I am new to programming and I am trying to learn, I got a book and it has some problems in it, Here is one of the problems that I would like some help with if anyone could help me through it of if you have any code that is … |
| | Hi everyone, I have a question about carets. I have a textarea and want to be able to get the line number that the caret position is currently on. The caret listener seems to only have the getDot() position function but nothing about the the line number of the textarea. … |
 | Is there any good vb to java convertor available ?? or should it be java to vb convertor ? |
| | hi there good evevning >>>>> :lol: :lol: i hope all of u is good ..... sorry but i know i am new but i face aproblem with array i don't know how to solve problem with array >>>>> i have problem that said enter name of 15 studemt and there … |
| | I keep getting these errors. Anyone know how to fix them? My program was working before. Both directories seem to be the same tho so i have no clue what it means. "AppointmentMatthews.java": Package C:\javastuff\Appointment\AppointmentMatthews.java stated in source Massage does not match directory C:\javastuff\Appointment\AppointmentMatthews.java. at line 11, column 9 "MassageMatthews.java": … |
| | Java2 homework help. Quick comment...Java was not meant for GUI! If you want GUI, then use VB. Now that I have that out of my system... Homework goal... To create a GUI java app that will save the info in the text fields to a file to a location that … |
| | Hi there i get an invalid page fault as follows: RPCRT4.DLL at 0167:7fbd0894 Registers: EAX=011f202b CS=0167 EIP=7fbd0894 EFLGS=00010212 EBX=011edef0 SS=016f ESP=011edd10 EBP=011edf00 ECX=77124438 DS=016f ESI=00000484 FS=5acf EDX=bff76855 ES=016f EDI=7712454e GS=0000 Bytes at CS:EIP: ff 30 ff 75 d4 8d 85 1c fe ff ff 50 e8 cb 0b 00 Stack …  |
| | Open question: We have an application in which a Java servlet calls an ASP page on which a function is coded and used by the Java servlet, passing to it parameters from the end user. We are having sporadic troubles with this process and the person attempting to help us … |
| | Hi everyone, I am trying to compile some java codes from a .java file that i had saved to disk. Basically i am trying to build my own ide. I have a text area in which the java code is in and also have two buttons. What i need is … |
| | Sorry - my last statement of my problem wasn't too clear. I have all my panels and my CardLayout (as I originally wrote it), thus: private CardLayout wholeScreen = new CardLayout(); mainPanel.add("Main", displayPanel); mainPanel.add("Enquire", enquirePanel); mainPanel.setSize(1200, 600); getContentPane().add(wholeScreen); wholeScreen.show(mainPanel, "Main"); It comes up with this error: C:\myjava\TestClient.java:201: cannot resolve symbol … |
| | :sad: I have a CardLayout and a main panel to which I have added the panels I want to display. However, I cannot add the CardLayout to the JFrame using `getContentPane()`. I tried adding the application in which all my screen building takes place to `getContentPane()` but to no avail. … |
| | Hi, how would I go about changing the mouse cursor image? I have a jLabel with an image of graph on it and I would likt the mouse cursor to change to a cross-hair when the mouse is moved onto the jLabel. Does anyone have an idea as to how … |
| | Hello everyone, I am using read method of InputStream to read a stream from a remote machine. The network connection is not very stable (for example, a wireless network whose the signal strength is relatively low). I am wondering if read method returns -1 (which indicates the end of the … |
| | hi .... i have written a programm which solves the math equation : x = -b +- square root of b ^ 2 - 4 (a)(c) all / 2(a) programm is really short since am still a beginner so heer it is : import java.awt.*; import java.applet.Applet; public class MathEqu … |
| | hi guys, im new here, i have a project that i have to do but cannot complete... Write a program that prompts the user for a number from 1-9. Then display all of the numbers from 1 to 100 except for any numbers that are evenly divisible by the user’s … |
| | Hi everyone, I have an application that i need to distribute as a jar but i have no idea how to create the jar archive as well as something called the manifest file. Basically i have only one class and the main is in that class itself. The path of … |
| | Please. I'm writing a Test Engine Software and I have a big issue. I have a large question database about 1000 questions and I need to load 50 random questions for each test instance. i.e Each time a user runs the test, 50 DISTINCT questions will be loaded. They should … |
| | An unexpected exception has been detected in native code outside the VM. Unexpected Signal : EXCEPTION_ACCESS_VIOLATION (0xc0000005) occurred at PC=0x7C33784 Function=Java_sun_awt_font_NativeFontWrapper_registerFonts+0x14C0 Library=C:\Program Files\Java\j2re1.4.2\bin\fontmanager.dll Current Java thread: at sun.awt.font.NativeFontWrapper.registerFonts(Native Method) - locked <0x161a9eb0> (a java.lang.Class) at sun.java2d.SunGraphicsEnvironment.addPathFonts(Unknown Source) at sun.java2d.SunGraphicsEnvironment.registerFonts(Unknown Source) at sun.java2d.SunGraphicsEnvironment.access$200(Unknown Source) at sun.java2d.SunGraphicsEnvironment$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at … |
 | Afsah Shafqat is the 14 year old girl who made the entire nation proud by breaking so many records in the field of IT, doing professional IT courses at a very young age. Afsah, in 10th grade, has been called the "Princess of Operation Badar." [img]http://img18.exs.cx/img18/289/u3qj2ee.gif[/img] She recently passed her … |
 | Hey people, Im just wondering what type of layout you would recommend to set up a grid of labels and sliders: This is the format that i would like them to be in. [CENTER]JLabel - Jslider - JLabel[/CENTER] [CENTER]JLabel - Jslider - JLabel[/CENTER] [CENTER]Slider Name - Slider - Slider Value[/CENTER] … |
| | I'm thinking of moving to a mac, and thinking in advance I'm curious what the best way to develop Java programs is. The most obvious choice is Xcode but I've heard good and bad reviews on it. I can't try it in stores because they're afraid I'll use the power …  |
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