32,204 Topics
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| | I have written some code that compares two "BufferedImage" rectangles by doing a pixel by pixel comparison. These BufferedImages are of "playing cards" with rounded corners so I would like to exclude those corner areas during the image comparison process since the varied background could cause the comparison to be … |
| | I am writing a Java application that "passively" interacts with a Windows Desktop Application. What I mean when I say that it interacts "passively" is that I perform screen captures to determine the location of "buttons" displayed by this Desktop Application and I use "absolute" x and y coordinates to … |
| | I am given dates in string format- Eg. 11/09/2010. (11-09-2010 not allowed) How can I convert it into integer dates? I am given two such dates in string format only and I want to find the no of days between them. |
| | class Stars { public static void main(String args[]) { int c=1; for(int i=1;i<=10;i++) { for(int k=1;k<=c;k++) { if(k%2==0) System.out.print("*"); // else // System.out.print("*"); } System.out.println(); c+=2; } output: * ** *** **** ***** ****** ******* ******** ********* i cannot understand that what the function of variable "c" and how it … |
| | HI ,how can i get the size of a JBUtton JLabel . I always get 0 when i use the getHeight or getWidth method .  |
| | public class DebugFour3 // This class uses a FixDebugBox class to instantiate two Box objects { public static void main(String[] args) { int width = 12; int length = 10; int height = 8; FixDebugBox box1 = new FixDebugBox FixDebugBox box2 = new FixDebugBox(width, length, height); System.out.println("The dimensions of the … |
| | Okay, so i need help getting a value from a variable in one class's method. I want to use that data in another Class's method. Heres what i mean... [code=java] public class RoomType{ public String N(String[] args){ Scanner scan = new Scanner(System.in); String opt = ""; int x=1; do{ opt … |
| | Hello. Anyone familiar with the Halstead product metrics? we are going to implement it. and again i need some help. here is our algorithm: 1. The user runs the program. 2. The program will ask the user to browse the file he/she wants to be evaluated using the programer's own … |
| | so, lets say I have a thread that looks like this: [CODE=java] public run() { boolean active = true; while (active) { //do some action that takes a really long time } } [/CODE] Is there any way I can directly stop and destroy this thread in the middle of …  |
| | The question is: Write a code that will take and inches input and convert it to mm. Then display the same result using m, cm, and mm. Example would be: Input: 53 inches Output: 1346 mm OR 1 m 34 cm and 6 mm Something is happening with the remainder … |
| | I found some code that does something that interests me, but I don't fully understand the implementation. The part I am struggling with is where the author "overrides" an "actionPerformed" method. I have a vague idea of why someone would want to override a method that is inherited from the … |
| | Just because security holes and vulnerabilities get reported to software vendors doesn't mean they are actually patched. A new report from IBM's X-Force security team found that of all the software holes reported in the first half of this year, more than half are still unpatched. IBM's X-Force report is … |
| | Goodeve guys... please help me on how to start a java game.. we have a proposed game and mine is a song lyrics game.. this is our project for the finals and honestly, i'm not that good in java.. :C what should be the first step? what is the best … |
| | I tried a lot to open a JAR file but it is not opening.I typed in command prompt javaw -jar MyJar.jar but it is not open. It makes some error sound bt not open. Please help me regard this  |
| | Hey guys, I'm a newbie programmer and I'm trying to create a program which calculates BMI. Weight is in lbs and height is in inches. I've compiled this and its got quite a bit of errors, so I could really use some help. The final result that I'm trying to … |
| | the class is the same. but there are two methods: first method: if simply returns a string. [CODE]public String FindPiece(String chessPiece) { return name; } [/CODE] name. is a constructor variable. it is a name of the chess piece [CODE]public Pawn(String name){ this.name=name; }[/CODE] second method public boolean isMoveValid(ChessPiece[][] pieces, … |
| | Hello All, I am student just starting Java. I do need help with swing - GUI. I am creating 4 textfield that accepts input from 3 user and will display as a 2D Array in the text area. As well as calculate the average of one column from the input. … |
| | im tyinh to writ a program to calculate nd display the volum ,area as well as the area of 6 sides of the rectangular prism but im stuck lol im a beginners import java.util.Scanner; public class RectangularPrism { public static void main(String[] args) { int length; int width; int height; … |
| | OK, so I want to thank all of you that helped me with my little problems within the past few days,I have almost come to the end of this project thanks to your suggestions. Now the thing is, I used ObjectInputStream & ObjectOutputStream to write down whole objects to a … |
 | private static void randomNumber() { int rand; int min = -10; int max = 10; System.out.println(" "); for (int i = 0; i < 10; i++) { rand = (int) (Math.random() * (max - min + 1) ) + min; System.out.print(" " + rand); } System.out.println("\n"); } can anyone explain … |
| | I have a problem outputting the contents of a text file. Whenever I try to display the contents of a file a "null" word is printed at the end of the output. Any help would be deeply appreciated. [code] import java.io.*; import java.lang.*; public class prog1 { public static void …  |
| | Here is what i currently have; the instructions are a bit vague so i am confused on what to do beyond this...any help will be tremendous! This is my 2nd week in java so please understand i am not an expert [CODE]public abstract class TestQuestion { protected String question; protected … |
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| | hi ! please tell me how to navigate from 1st record to last record and also from last to first record of database using JDBC , Servlet and jsp. please help me by sending full source code for that. thanks :) |
| | Hi is it possible active touch support on high level item`s(form , list , ... ) ? thanks |
| | pl help me I want Single File Database: Develop a student record management program, which uses single file as its database. It is not supposed to create additional files at any part of the project and should never rewrite total content. |
| | Hi,I'm a beginner to Java. Can anyone help me? I want to know how a textField to be displayed above a image(like acting as the background of that textField). |
| | Hello, I have a class that pulls account numbers from valid_accounts.txt and is supposed to take each number and put it into an array. In my driver program, I should be able to call the method of the class that pulls the information and populate it into my array created … |
| | Write an application to simulate the rolling of two eight-sided dice (eight-sided dice are used in various role-playing games). The application should use an object from the class Random to roll the first die and then again to roll the second. Each die can have the values of 1 to … |
| | Good day everyone! I have a program that I need to modify so that it reads a list of valid charge account numbers from a file. Currently the list is in an array in the program. I am also attaching the text file(valid_accounts.txt) that it needs to read from. [CODE] … |
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