35,618 Topics
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| | I'm having difficulty of inserting a value into a column. When I enter a "ID" number and a value in the "last name" text field, I get an error saying that the "mi" text field can't be an zero length string. So, i enter a value in the "mi" text … |
| | Somebody pls help i want the code.... |
| | Hi everyone, I have small Problem. I have to take input as a string say blue,green,red, etc split this into blue green red respectively separately and then add those into an ArrayList Clr. I have written System.out.println(" Enter Color "); String input = br.readLine(); ArrayList clr = new ArrayList(); String … |
| | Im having a brain block and I have no clue what to do next. Im not asking for someone to write code for me, im asking for someone to give me an idea or suggestion so I know what to write next. Im pretty confused. Below are my classes related … |
| | Below are the instructions for what I am currently working on. I am having 2 problems first is printing the values stored in my array right now i have it set up in a for loop but there seems to be something wrong with the syntax of my System.out statement … |
| | Hi all, I have implemented some code for simple columnar encryption. The algorithm is encrypting properly as I want. But during decryption it's giving me some errors. Please go through and suggest me if any idea [code] public static void encrypt(RandomAccessFile f,RandomAccessFile d,int columns) throws Exception { d.seek(10); // SEEK … |
| | <p> pls help me make a [COLOR="red"]calculator[/COLOR] code/s uning jframe form :) </p>  |
| | Hi, I am getting an error message as follows: java.lang.NoClassDefFoundError: inventorypart1/Beverages Caused by: java.lang.ClassNotFoundException: inventorypart1.Beverages I have been running programs with no problem and with this message I am confused. I cannot see what I am doing wrong but I think I have been looking at it too long. Any … |
| | Hello, I'm trying to create an application that when you click on a button, it just displays a string but it doesnt work. Here's the code: [code] import java.io.*; import java.awt.*; import java.applet.Applet; import java.awt.Graphics; import java.awt.event.*; public class main extends Applet { TextField input; Button convert; public void init … |
| | I'm trying to write a code that validates that an integer is between 1 and 9. Then it prints out that integer as a word. User inputs 0 to exit program. Example: [I]Enter an integer between 1 and 9 5 Integer entered, five Enter an integer between 1 and 9 … |
| | Hello, I've been looking at this problem for a few hours, and I can't figure it out. We had to test this code and fix it if we find errors (it's a splay tree): [CODE] public class SplayBST { Node root; int count; int level = 0; public SplayBST() { … |
| | If I want to compare C, D, and E how do I do that with an equals method? [CODE] public class Fraction { /** * @param args */ public static void main(String[] args) { { Fraction c, d, e; c = new Fraction(5, 8); d = new Fraction(1, 2); e … |
| | here is a program code i want to create an application that create frame and write the string on it and when i click the close tab of frame it will close the frame please help me...its very urgent.. [code]import java.awt.event.*; class SampleFrame { SampleFrame(String title) { super(title); MyWindowAdapter adapter …  |
| | Hi all, I'm wondering if someone can help me. I am trying to write a basic program which involves a square moving across a JPanel in a random direction, and the user needs to click on the square to get a point. Now I have everything up and running but … |
| | I have this code which displays the letters of the alphabet. I am trying to get the JOptionPane to display the first six letters of the alphabet However when I try and just display the 6 letters, it displays all of the alphabet letters first, which is not what I … |
| | hi sir i am doing the project in which i read tiff file and take two images from that file and create another tiff file i am able to take one image from the tiff file and create another tiff file my problem is that i am not able to …  |
| | i want to implement client server communication through wirless network in java,by using Socket,ServerSocket classes can i connect two computers with wireless connection??? |
| | Hey guys! I have a school project and I cant figure out the coding to make it work correctly. This is what I am supposed to do: Write a class with a main() method and two static methods. Your program should prompt the user for an integer that is no … |
| | Hello there, This is just a quick question. You know that servlets respond by printing out dynamic HTML code? Well, is it possible that instead of doing that, the servlet just redirects back to the HTML form that send the servlet the Form data in the first place? myHtml(sends form … |
| | Can anybody help me with java code to monitor system power,that is to check if a machine is running on battery or on ac power |
| | Write a java based program to accept numbers from the user and also sum the list of numbers as and when entered. apply the data conversion mehods , if required. implement the best and the shortest way to complete the task. |
| | Hi, I am new to mysql and have got a problem. I have managed to INSERT into the database and and check from it (a simple login system) but now after i login i want to copy all the data from that row and throw it into an arraylist. I … |
| | Hello, Does anyone know how to set the text colour but for a specific character? E.g. If I enter "Phillip" I want it to display: P[COLOR="Green"]H[/COLOR]illip So that just 1 character is coloured? Heres the code I've written: [code] public void paint(Graphics g) { String elements; elements = nameField.getText(); char … |
 | Hello I would like to implement multiple swing timers, each of which have a different function, but I cannot seem to separate the functions. I have one actionlistener and I cannot make another one. Please help. |
 | Hai Friends, I doknow hoe to create new Registry key in java, For Example HKEY_LOCAL_MACHINE\Software\Company\Productname\version i searched through google, i got only by using third party jars,i want to do with out third party tools, please help me in this problem.  |
| | Hi , Currently i am working on a java desktop application project.can u please tell me how to create dynamic textfields by clicking on add button using swings.please help me. |
| | hi.. I just want to know is there any way to use flash image in java i mean i f i have java servlet web form and i want to design this form on flash image then how can be it possile please help... |
| | i am not a good programmer and so i need help. im not asking for you to write the program but need help with it ! i have some coding but cant figure out how to put the rest together ! ok so this is what i have so far. … |
| | hey guys im doing the gridworld case study and am at the part where i program the Zbug class I have to try and write the code in a select case statement. can you guys fix my code? for more info: page 14 on [url]http://www.collegeboard.com/prod_downloads/student/testing/ap/compsci_a/ap07_gridworld_studmanual_appends_v3.pdf[/url] i really need it fixed … |
| | Hi I need help with the while loop and read from a file to find monthly mortgage payment from the input of Principle, Interest & Term in years. I know I may did something that doesn't make sense here, please take a look and let me know. Thank you in … |
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