32,204 Topics
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| | how we create a button using swing class..... I need help b/c I want to make a calculator but I am beginner and i dnt know swing class... Plz help me to create a button.....!!!!!!!1  |
| | Hello, can you guys please sugest a way to have today date substracted 7 days, and have al of this 7 days into one String array? thanks. |
| | I really need help, my 1st assigment is due tomorrow and i've been working on it for a really long time and is just not getting it!!!! So please help me, it will be greatly appreciated. These are the questions that I haven't been able to figure out. Add a … |
| | Greetings, I am about 4 hours into JAVA and am making a big mess of it. Last night (at home) I installed the latest JAVA and NetBeans and got a "Hello World" Today I installed the 2 at work and am getting errors involving: "NoClassDefFoundError" (even with what worked last …  |
 | I have a calculator program I am working on, it works except for one thing. When I type a large number into the calculator, say 125^4 it comes out with: 2.44140625E8. Any ideas on how to get this in-build function turned off? Thanks! -[b][i]WolfShield[/i][/b]  |
| | Hello, I am trying to add audio files to my program. I am using a desktop application and not an applet. All the code that i have found online is for an applet. Is there a way for me to add audio code to a desktop application and not an … |
| | I'm trying to construct a rectangle & compute its area using the getWidth & getHeight methods.. but i cant figure out for to construct a freakin rectangle!! I keep getting the same error when i go to complie it.. no matter how hard i try :p "Cannot find symbol" [CODE]import … |
| | I need help making a code usig bluej to make a program that throws 2 dice for you and if you get a 2 or 12 you lose and a 7 or an 11 you win on the first roll only. And after that they have to roll the same … |
| | [CODE] public class ProcessResults { private static int[] PayNum; private static String[] Surname; private static String[] FirstName; private static String[] DoB; private static String[] Dept; private static Scanner keyboard = new Scanner(System.in); private static int NumStaff; public static void main(String[] args) { final int MAX_STAFF = 10; PayNum = new … |
| | I configured a logger namely "My Log" in my main class which can write errors in a log file named mylog.txt Now I want to use this same file for all packages and classes there in. I tried to put this in other class Logger.getLogger("My Log") //Did nothing Now what … |
| | I could sure use some help. Here is what I have and it shows a problem which is : int tempCelcius = (int)((Double.parseDouble(tempTextField.getText())) (5 / 9) × (Fahrenheit – 32)); and here is all that I have: /** * * @author TJ */ public class FahrenheitConverterGUI extends javax.swing.JFrame { /** … |
| | so i'm created a program that display the name and grade of students from a file, and also a boolean that checks to see if the names are in alphabetical order. The problem is that i've created a files that has a name in alphabetical order but it still returns … |
| | hi i m doing thesis work and the title is to make a simulator for process schduling in any language. if anybody knows anything about it then plz help me. |
| | [CODE]public void actionPerformed(ActionEvent ae) { if(ae.getSource()==clear) { tname.setText(""); tpass.setText(""); } else { if(ae.getSource()==Admin) { try { a=tname.getText(); b=tpass.getText(); Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con=DriverManager.getConnection("jdbc:odbc:vote"); Statement st= con.createStatement(); ResultSet rs; rs=st.executeQuery("select * from votelogin where tname='"+a+"'and tpass='"+b+"'"); while(rs.next()) { aa=rs.getString(1); bb=rs.getString(2); } if(a.equals(aa)&& b.equals(bb)) { JOptionPane.showMessageDialog(this,"INVALID USER.TRY AGAIN"); System.out.println("invalid user"); } else { JOptionPane.showMessageDialog(this,"VALID … |
| | Greetings - I'm new to JAVA. I'm using NetBeans. I've been going through tutorials and examples - with some frustration. Question - when I find an example / tutorial to attempt, how do I "create" correctly the setup before I simply paste the code? Meaning if the example has: [CODE]public …  |
| | Hey guys can you help me convert this code into java... i started a little... [CODE] def minEditDistR(target, source): """ Minimum edit distance. Straight from the recurrence. """ i = len(target); j = len(source) if i == 0: return j elif j == 0: return i return(min(minEditDistR(target[:i-1],source)+1, minEditDistR(target, source[:j-1])+1, minEditDistR(target[:i-1], … |
 | Hello! I have to make a "Dice Applet" for school. It is all finished but the dice pictures do not display properly. It only appears in a line (not the full image.) But they seem to display fine if you maximize the applet then restore the applet to its original … |
 | Hello Everyone. I am trying to use a string to set a color. i have tried Color is the string which says a color like black or red [code] g.setColor (Color.color); [/code] and [code] g.setColor (Color."color"); [/code] lets say the string color was red it should have this effect [code] … |
| | Hello, in java, if we want to extract all values between 10 and 100, how could we express between in java. Is there any symbol like && || ..? Thank you  |
| | Hi! I need my own file extension for SWING desktop application (image processing tool). In fact, I want a user to be able to save locations of JLabel components on a screen. Please, give me a hint on how to implement this task. Thanks! |
| | Hi! I'm trying to create borders around JLabel components. However, the line [ICODE]c[i].setBorder(border)[/ICODE] cannot be compiled. Please, help me to improve this code. Thanks! [CODE] public void mouseReleased(MouseEvent e) { if (Menu.getgroup()) { Component[] c = getComponents(); Border border = LineBorder.createGrayLineBorder(); for(int i = 0; i < c.length; i++) { … |
| | Hey guys can you help me convert this code into java... i started a little... [CODE] def minEditDistR(target, source): """ Minimum edit distance. Straight from the recurrence. """ i = len(target); j = len(source) if i == 0: return j elif j == 0: return i … |
| | I m planning to create a web based system in which I need to allow users to upload videos and photos into my database and to display that video or photo which they request. I m more comfortable working in java, so i have placed my query here. I would … |
| | I'm trying to run audio in a different thread but I have no idea why but when I call wait(), my entire program seems to wait or hang.. not sure if it's deadlock since all it does is wait(), though if I set a time period, after that period it'll … |
| | Hi all. I'm having a problem to represent or use a variable as an int. [CODE]Color c = new Color(255, 0, 0); int y = c.getRGB(); for (int v = 0; v < h; v++) { for (int u = 0; u < w; u++) { int x = image.get(u, … |
| | Hello, here is a code for retrieving some lines from a text file. i'd like to extract data from line2 to line4 ---> this is working but in the same time i want to data from Line10 to line12 here is the code, my conditions is not working: Thank you … |
| | I am working on an ATM machine project for my college class. It's in its early stages but here what I have so far. [CODE] /** * * @author Ty */ import java.util.Scanner; public class Main { private double currentBal =1000; Scanner input = new Scanner(System.in); public void mainMenu(){ int … |
| | Java is very interesting language and important language To learn JAVA roseindia.com is also a very good site  |
| | hi.. i just want to know.. is there any shortcut key to run the main apps of java in bluej.. if compile i can use ctrl+k.. but what about to run it? i'm tired having to right click and pick [CODE]void main(String[] args)[/CODE] Thanx in advance guys... |
| | well.. back to c and c++,we can used pointer to access the memory address of data. But how to access memory address in java? i do search at daniweb and found this post.. [url]http://www.daniweb.com/forums/thread140991.html[/url] but it not happen with my program.This is my program. [CODE]Node x = new Node(new Integer(4)), … |
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