32,199 Topics
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| | I am having a problem with displaying statement remove or not removed if letter is r  |
| | My assignment was to make a game called 'World of Warcrap', and I finished, but there are errors. the errors are in respawnNPC(), attack(), and fightToTheDeath() methods. here are the instructions on what each methods are suppose to do: 1) Define the respawnNPC method inside the WorldOfWarcrap class such that …  |
| | [B][/B] *hi there guys im new in this forum...i need your biggest help in my project....in java here's the input and output...:* Passing Score: 50% Input: Raw Score Output: Grade 74-below : Sorry you failed! 75-80 : Keep up the Good Work! 81-85 : Good Job! 86-90 : Great! 91-95 …  |
| | i am doing a project on barcode reader . i have just started it with a class pixelgrabber to grab the pixel,i mean grey value. And now i am confuse about how to distinguish the barcode part from other part of picture. plz suggest.. |
| | what is the difference between the two String strHello2 = “Hello”; String strHello2 = new String(“Hello”); i have learned stings are immutable in java what does it mean? differnce between instance and class variablea and methods(in clear) pleae try to answer me. |
| | Hello. I have an app (JDesktop) and it has the JMenu and some JMenuItems. One will build an JTabbedPane with a dozen or so tabs. I start that one and it works good. Another MenuItem builds another Internal Frame with JtabbedPanels it works too. When I go back to the … |
| | how to do validationn of textbox for the following in swings using netbeans 5.5 1)only character 2)only number 3)only date 4)length of the text entered |
| | hi,i was a beginner in java i have a doubt. we use import to use the predefined classes. we can also use package for importing classes. import java.lang.*; package java.lang.*; [B] what is the difference between imports and package at what time we have to use differently.[/B] plese try to … |
| | Hi I'm new to Java and I was dealing with the creation of packages. Suppose I have the following two source files which I want to put in one package called [B]mypackage[/B]. The two source files are in the (Linux) directory: [B][I]/home/user/workspace/mypackage[/I][/B]. [CODE] package mypackage; public class HelloWorld { public … |
| | Create an array of Strings, each containing one of the top 10 reasons that users like in programming with Java as listed below. Prompt a user to enter a number from 1 to 10, convert the number to an integer, and then use the integer to display one of the … |
| | Hi I am new to java.I want to know the internal process during the conversion of source code to byte code and to native code in detail. Can anybody explain me that with clear architecture? Thanks & Regards Ilamathi P |
 | Im wondering how do I correctly generate a random number in Java. Sometimes it gives me a negative, positive, very small range ,etc. Id like a simple formula that can give me some examples to control this better. Thank you very much. |
| | Hi! My purpose is to fill the JComboBox from the database. The code shown below is working - it fills the JComboBox. However, the problem is that when I click on JComboBox to select some item, the error occurs. As I understand, String is casted to Object, and this is … |
| | Hi Everybody I am trying to write a small game in Java. I have done few things. But now I want to add some more feature in it. I am creating Enemies in Game.java using UI.java and EnemyShip.java. Now I want [B]to determine how many enemies to create[/B] [COLOR="Red"]the number …  |
| | Hi, I'm working on a project where I have two classes, Divisions and SalesStats. I need to read in a text file from a method in SalesStats and store that data into two dimensional arrays to Divisions. When I execute, only 0.0 is coming out and not the numbers from … |
| | I'll first give you a basic overview of my task, I'm working with Deterministic Context Free Languages. It's not really important if you don't know what that is, I've got that covered. I just need help on developing an algorithm. Basically I'm given an Axiom, which is my starting string, … |
| | I have been trying to work on this for awhile now and this is the last part of 9 that I have to do for my project and I have come close but I just can’t figure it out. What I have to do: There is a banner ad at … |
| | Hi I'm trying to draw a line in java using g.drawLine g.drawLine (int, int, int, int) || x1, y1, x2, y2 im trying to draw this : g.drawLine (xCenter + 200 * Math.cos(2 * Math.PI * 3 / 7), yCenter + 200 * Math.sin(2 * Math.PI * 3 / 7), … |
| | So my assignment is to create a function in Java that takes out duplicate characters from the string. The catch is that it need to be done [B]recursively[/B] (no loops) and it must start like this with one parameter where the string is passed in. Please help guys I've been … |
| | I've got a program that is supposed to mimic a music playlist by implementing a circular, doubly linked list. However, i cant use java's LinkedList, i have to write my own linked list. I have a DblListnode class to keep track of the nodes (show below) [CODE]public class DblListnode { … |
 | Ok... So I have the following program: [CODE]public int seq2 (int n) { if (n <= 0) return 1; else return seq2 (n - 1) + 2 * n - 1; }[/CODE] It gives the following output: 1 2 5 10 17 26 37 50 65 82 So that means … |
| | I'm calling to a method, from a method And I have this code: [CODE]public int ValidateInfo () { return this.day = 1; this.month = 1; this.year =1900; } [/CODE] However, on the 'Month' line, it is saying that I need to delete it, Why is this? |
| | I created a java program to calculate a persons BMI, but we have to convert the weight from pounds to kilos and height from inches to meters using the numbers in my program, but it just doesnt worl the way its suppose to can some PLEASE help me figure it … |
| | The following code is part of a searchengine the specific piece of code sorts out the different searching options. While running it i get the catch (Exception e) error [CODE] import java.util.*; public class ObtainKey { public static void KeyAnalyzer() { int idx = 0; int tokenCount; String input; String … |
| | Good Evening I have been stuck for a while now while trying to figure out how i can keep my ArrayList sorted when it receives new input. I tried the collections.sort(scores) but i get a error saying "Bound mismatch: The generic method sort(List<T>) of type Collections is not applicable for … |
| | Hi all, I am planning to make a web crawler as my new project. I have gathered all the Information about this and I have also started the developement part. Initially I started by making a connection to a particular URL using java. Now i am getting the contents of … |
| | Hey guys and guyettes, I'm trying to make a game, when you click on a card, a certain set of things happen to that particular card. As the set of actions that occur are the same for each and every card, putting everything in the MouseClicked event for each and … |
| | Here are my answers: Do you agree with my answers ? /* Point A */ The decimal variable is in scope, It is a local variable. /* Point B */ Int decimal is a formal parameter String hex is a local Variable /* Point C */ Int hexValue is a … |
| | So I'm simulating a File system for my Operating Systems class. I'm kinda lazy and didn't want to do it in C, so I did it in Java :(. I also didn't make any new data structures, I just made a File and Directory class, where the Directory class has … |
| | Hello there I have a small question. I've been looking on the web for it but didn';t come down with an answer. As far as i've read we can get user input from the console via Scanner [CODE] Scanner asdf = new Scanner(System.in); [/CODE] What if we wanted to analyze … |
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