31,002 Topics
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Does anyone have a few good sites that give you some practice java questions? I'm not tallking about java certification questions, just regular old java questions about the language. I need a lot of them, so please post as many sites as you can.
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Hi folks...I have a Class called Model which I am using to iterate through a string, tokenize it, and then access a method in my GUI class which is supposed to change the color of the borderLayout panel. I am getting this error. I have tried to make me Model …
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Hi, I wrote this program and I was wondering if there was a way to save the picture I'm creating using the graphics class. Here's my code: [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; public class paint extends JFrame implements ActionListener { private int pointCount = 0; private Point …
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Hi everyone, I am doing a custom document in which i am always getting an error at the point when i want to use the java HTMLReader class. The compiler says something about an enclosing instance and i really have no idea what the compiler means. Here is the code …
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HELP ME PLEASE!!!!! I am developing an aplication with an API for getting my engieneering degree. I have to use a deprecated class because there is no other tha can make what i need. But I am havin lots of problems with the configuration and i keep getting warnings of …
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How can I generate a random boolean? Is there a method for this? Thanks in advance
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Hello everyone, I want to run tasks with priority, i.e. among several simultaneous running tasks, the task with the higher priority will have more chances to occupy CPU time. I have the following 2 issues dealing with the implementation of such feature. - To define each task as a thread …
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Hi! to everyone I'm starting out in programming,I need help to develop a class diagram for a Shape class. Include generalizations for child classes Rectangle, Circle and Triangle. Please can you help me here!? Eager Student
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i am lost on this assignment i have 2 problems 1 is printing using for loop and the other is i can not get a to count. Would gratly appreciate any help. Here is what i got below is the desired output....... import java.util.*; public class Lab3_Count { public static … |
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Hi Everyone! THis is my final program :D Of course it's not done...but I just wanted some feedback...and any ideas on how to fix my GUI XD...Any help is appreciated ^^. BUt please don't copy lol XD I don't want to get accused of cheating here...if giving out this code …
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I need help with a basic interface design, I also need help with the java docs. The project is a booking system which works ok but needs an interface and maybe some tweeking. I am just a beginner with Java but would imagine this project is possibly half a days …
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I'm having difficulty determining the correct size of a JDesktopPane. The following code tells me that the size of the pane is 0 x 0 //Inside a JFrame JDesktopPane myDesktop = new JDesktopPane(); this.setContentPane(myDesktop); System.out.println(myDesktop.getSize()); However, after looking in the source for GridLayout.java, virtually identical code is used. //Inside GridLayout.java, …
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Well the title prett much tells you what error I have XD... so far.... [PHP]JLabel label1 = new JLabel( "AIRLINE RESERVATION", SwingConstants.CENTER ); JPanel panel1 = new JPanel(); panel1.add( label1 ); tabbedPane.addTab( "RESERVING", null, panel1, "FirstPanel");[/PHP] then heres the problem.... [PHP]mealComboBox = new JComboBox( meals ); panel1.add( mealComboBox ); mealComboBox.setBounds( …
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Hi Guys, anyone know of anybody looking for a gig doing java that has more than 2 years (or knows java and is just a real whizbang :) ) If so maybe you could have them send me an email [email]igf1@yahoo.com[/email]. we can tqalk about the details. its telecom 40 …
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I need to produce two methods for a class. The method name and details are given but i dont know how to create the code for them to work: 1st: public int daysElapsed (int day1, int month1, int year1, int day2, int month2, int year2) This method returns the number …
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I formatted my computer today, now I can't compile the files from command prompt, but I can run the compiled ones. How can I solve this problem :o :o :o Thanks
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Hi everyone, I have a jtextpane with a styled document and i am using the rtf editor kit. Is there a way in which i an insert a html table into this styled document. Sample codings would be helpful Thank You Yours Sincerely Richard West
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Hi all, This along with many of the other questions on this forum is from a noob at both the forum and java and was hoping someone could please help me. What im trying to do is read some info from a file and then store it in a linked …
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Can any help me with this program?? Problem statement: Develop and test a program to read the boot sector of a floppy disk, print the significant parameters therein, find the root directory and print its nonempty entries. You will need to use the BIOS system calls INT 13H, function 02H …
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i am making a program that makes java commands similar to c++ ones, i am trying to use an endl statesment as well, it works if i just type c.endl(); but if i use the endl in my actual string it doesnt like this: System.out.print("helloendl"); Also when i use my …
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I am stuck on this big time, I have been floundering here for like 4 hours and if anyone can help I would be SO grateful, I have this program that I have to write that I cannot grasp. I know ya'll dont like to have us noobs posting our …
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Hi, I have many applets in my application and for loading applets it takes too much time! I found that for adding panel to container it takes 4-5 sec. My question is that how can I reduce this time? or Is there any alternative way by which my applet will …
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I'm trying to build a program that uses sockets and connections to connect to the internet. Right now, I use a PrintWriter to send messages out, but I don't like using it? Is there any other alternative to PrintWriter? I don't like the idea of having to flush() when I …
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Hi everybody, I followed the Invaders tutorial and I'm trying to make it into an exe file. I have JBuilder 9 and I tried the "Native Executable" tool and it just opens up the program and closes it. Any help would be appreciated. Thanks in advanced, C++ 
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Greetings to all, Thanks to all the readers, posters, and moderators for their assistance and guidance this past semester. I am, by no means or stretch of the imagination, a programmer. I majored in Information Systems and have a networking background, but my degree called for some programming exposure. I …
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hey guys i'm hopeless with java can someone help me out ?? i am using three classes for my program the following two and a ClientUI class this is the menu in my client 1. Add a new item to the collection 2. Load some items into the collection 3. …
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java program help.. anyone pls? i have no idea on this.. im a n00b in java Create a program that will input number in decimal number system & convert it to the number system which the user entered Sample Output: Input number in decimal number system (base 10): 25 Convert …
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------Configuration: test2 - JDK version 1.5.0 <Default> - <Default>-------C:\Documents and Settings\crusse15\Desktop\ClientUI.java:71: ')' expected String foundName = st.findName(String itemName); ^ 1 error
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ive been trying to figure this out for hours, and would appreciate any help. im clumsy with java, have only really had c++ experience and am at a bit of a loss trying to figure out GUI's, my problem goes like this..... basically i need to create different frames or …
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