32,199 Topics
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| | If someone has a second, could you please take a look at this. This is just a small part to a large program I have to write for school. Right now I'm just trying to get the arrays to load. I can't get my two dimesinal array to work (the … |
| | A picture is attached. I have a simple technical question. If Lizard extends Reptile which extends Animal, is Lizard a derived class of Animal? (Does not have to be directly derived, just derived.) Its easy stuff, review for the AP exam, I'm just trying to figure whether my teacher was …  |
| | Problem: I am not sure how to get the Treeiterator started into the main, or how output to the file. Thank you in advance sorry for the long read, but it is a long project, for such little output. The assignment: Write a program that maintains the names, addresses, and … |
| | Hi, I need some help with an assignment - to read from a .txt file and count paragraphs, lines, words and characters. I've managed to write a program to read the file, and another one to count - but I've run into problems trying to incorporate the two. I've sent … |
| | Hello there, I need a help form u guys, thanks advance~ I need to use JAVA to do a [COLOR="Red"]PC application[/COLOR] which can accept/receive data [COLOR="Red"]from a mobile device using Bluetooth[/COLOR] through some Bluetooth device plug on the PC. I am using Netbean now and trying the JSR 82, but …  |
| | ok heres the code im working with.. public boolean legalMove(int row, int column) { if (a.empty(row, column) == true) { System.out.println("This sqaure is empty"); return false; } } now my empty method header looks like .. public boolean empty(int row, int column) and the code inside for empty() works. now …  |
| | Hello. I am looking for a way to detect circles in an image. I know that circle Hough transformation does this, but i don't know where i can find a java or jai implementation to it. Is there anyone who could help? Thanks a lot in advance. |
| | [code] import java.util.*; public class Prj3 { static int data[] = new int[20]; static Scanner kb = new Scanner(System.in); static Random rnd = new Random( 1234 ); static void Create_array(int arr[], int max) { int i; for (i=0; i<100; i++) arr[i] = rnd.nextInt(max); } static void Draw_array(int arr[], int col) … |
| | There isn't exactly anything wrong with my code, it's fine although the order isn't correct, I think, which makes my shapes appear behind the center panel. I'm not sure how to correct this as I've drawn my shapes under a paint method. I've tried moving the paint method before and … |
| | For an assignment I've been asked to program a Java command line application that reads in from an ASCII file the structure of a maze, the program should then identify whether the maze is solvable hence have a beginning and an end. Example below: [code] ### # # # # … |
| | Excellent resource for C/C++/C#, java, JavaScript DHTML, C / ANSI-C、 SQL / MySQL it contains thousands of examples, downloadable source codes and tutorial... Please have a look。 |
| | I am looking to create a system to take a function in a Swing GUI, parse it, and produce a graphical result. This includes using such unicodes as Sigma and Omega to be read into a Swing Component (currently I have a JFormattedTextField). The most ideal is to highlight and … |
| | [CODE]\** * InventoryProgramPart3.java * @ author Amy Summers * Inventory Program which uses an array to store items and creates * a subclass of the CD class * */ import java.util.Arrays;//program uses Arrays class InventoryPart3 { //main method begins execution of Java program public static void main (String[] args) { … |
| | Hi, its me again. I need help one last time. This time my problem is pretty simple, I just can't find it myself it seems. Please lend some assistance. Here's my assignment. [QUOTE]Create a program that takes in 2 integers and displays the result of dividing the two integers. This … |
| | import javax.swing.JOptionPane; public class conversionweight { public conversionweight() { String ans; ans = JOptionPane.showInputDialog(null, "Enter Weight in Stone.Pounds" ); double stones = Double.parseDouble(ans); double pounds = 14 * stones; double kilos = 0.45359237 * pounds; JOptionPane.showMessageDialog(null, " weight in Kilos = " + kilos); System.exit(0); } } my task was … |
| | Hello and Happy Thanksgiving (to those who celebrate it), I have a small program that needs to read data off of a text file (name, city and age) and store it in an array. The program asks the user for a city name, and it's supposed to loop through the … |
| | plz give me the code to make a frame transparent so that only its contents are visible.... |
| | Hi. Can anyone help me on my code? I wanted to delete a data inside a array, so what I did was to move the the array into another array without the one that is to be deleted. It is working if the user only wants to delete a single … |
| | can someone show me how to collect a string from a jsp text box and call a set method in a bean that puts that value in a variable of that bean? |
| | Hello everyone...I have been learning Java in our school using BlueJ and there is a certain problem i need to work out... I need to create a frame with four panels in it...like this.... [ATTACH]4481[/ATTACH] Sorry if i can't provide the codes because it's really hard learning java... Can anyone … |
| | I want to make a button which will print a page using the printer, so when the user press it certain page will be printd |
 | Home Work Problem. I understand what the program is suppose to do, but I do not understand how to implement it using Link List. Please help me to understand the problem. Write a program to perform ariththmetic with integers of unlimited size. You must read data from the input file, … |
 | Hai Frindz, Iam using jdk1.5 in linux OS,I want to list the [B]serial ports [/B]in my system, I used port name /dev/ttyS0 (for com1) in my program,but it gives CommPortIdentifier not Found Error. is there any Packages or file to install in jdk? |
| | Hi Guys.., Where can i find this particular package javax.media.*; and is there any specific link there to download the javax packages...? If so kindly help me out... Thanks in advance.. Vinod |
| | Is there a way to simplify this code? I tried iterating around just one [I]for [/I]loop, converting the loop variable into a String and concatenating it with the variables arreglo2, 3 and 4; but it doesn't work. It doesn't even allow me to concatenate the variables ... [code] Indice = …  |
| | What is the need for calling default constructor by JVM? why the JVM should intiializes default values to the data fields if the constructor is not there in our class?  |
| | Herbert Schildt in The Complete Reference Java 2 says,"Because it is static, it must access the members of its enclosing class through an object. That is, it cannot refer to members of its enclosing class directly. Because of this restriction, static nested classes are seldom used." Can we use static … |
| | do nebody hv ne idea how to find bit pattern of an audio file ??? |
 | Herbert Schildt in The Complete Reference Java 2 says,"Because it is static, it must access the members of its enclosing class through an object. That is, it cannot refer to members of its enclosing class directly. Because of this restriction, static nested classes are seldom used." Can we use static … |
| | Hi, I am trying to display my floating point values as money in a machine. Now When I display the value 0.60, the zero is omitted from the end and as such is displayed as 0.6. I need to display it as 0.60. Many thanks in advance. |
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