36,051 Topics
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 | My tic tac toe board is done, but I need it to show up in the Dialog box, not the console, how would I do that? Here is my code: javax.swing.JOptionPane.showMessageDialog(null, "\n-------"); for (int i = 0; i < 3; i++) { System.out.print("| "); for (int j = 0; j …  |
| | I am a student and have to submit a Mail Program. I have been asked to do the program using [B]GridBagLayout[/B]. The program is working fine but for the Layout. I just am not able to manage the layout problems I am facing in this program. Could I get some … |
| | Hi all, i'm new so not sure if this is the right place or not. But none the less i'm hoping someone can put me somewhere in the right direction! Basically i'm wanting to know is it possible to open ax existing exe? to create further add-ons to its existing …  |
| | Im having arrayoutofbounds error on my code. [code] import java.io.*; class s{ public static void main(String args[]) throws IOException{ BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); String[] a = {"X","C","O","M","P","U","T","E","R","S"}; System.out.println("Enter Price: "); String b = in.readLine(); for(int i=0;i<b.length();i++){ System.out.print(a[b.charAt(i)]); } } } [/code] what am i doing wrong here? The output should … |
| | Hey guys, I wanted to know how can I code the game ball lines in Yahoo. It is a game very easy to understand and similar to tic tac toe but I just cant figure out anything as to how to start. Please help!! u can mail me on [email]chandanagrawal17@hotmail.com[/email] … |
| | step 1 myeclipse->prefernces->myeclipse->application servers->choosing tmcat5.5 for application server Step 2 using jdk 1.5 clicking ok then clicking on icon to start and stop tomcat but it says that no default server present what might be missing plz tell |
| | I am using generics in java, and I want to know how I can test to see if I have a int or a float? Is there some sort of type-testing? I'm sure there is, I just need someone to help point me in the right direction. Thanks!  |
| | can anybody see anything worng? I'm returning these to the main sO=ScoreO(O); sX=ScoreX(X); These are my two methods: [java] //method to tally the score for x public static int ScoreX(boolean X){ int scoreX=0; if(X==true){ scoreX+=1; } return scoreX; } //method to tally the score for x public static int ScoreO(boolean … |
| | For a homework assignment, I have to create a random salary generator which is pretty easy. We have to create a random number of employees, 3-15 only and then the number of years of that salary with a limit of 3-15. This is easy so far. After this, we have … |
| | Hi guys I started to learn java and have a little problem\. When I try to compile my little program it says : assgn2.java:40: variable overnight might not have been initialized System.out.println(overnight); [CODE]How is that? The code: import java.io.*; public class assgn2 { public static void main(String[] args) throws IOException … |
| | Hi I want to populate my second drop-down menu based off of the value selected on my first drop down. Is there a function or a way of doin g this... P.S my code is in a JSP: [code=java] <% Vector theStates = WeatherDAO.getWeatherStates(); %> <html> <head> <meta http-equiv="Content-Type" content="text/html; … |
| | Hi, I am using a JSP from to collect data from user and then inserting those values into a table in MySQL.But it is returning 'null' always.I am able to query the DB and view the entire table and everything else is fine. But the INSERT is not working somehow!!! … |
| | Dear sir, I am using jsp(Model View Controller platform) for making web site. I have to create dynamic treeview by quering data from database. I think I have to use ajax , jsp code for making tree. Can anybody help me. Thanks. |
 | I am executing a project that have 100 jar file attached to it I am able to execute it in Eclipse but i want to run it from batch file but the problem is that i am not able to set class path , whereas in eclipse we can direclty …  |
| | I need help making a counter uusing a two dimmensional array. I'm doing a tic tac toe program and need about done, just need the counter and have no clue how to do it. |
| | So we're supposed to modify this class, which implements Comparable, so that it accepts any type of object. The Comparable interface contains the method signature for compareTo, which I need to implement. What I'm uncertain of is how to implement this method. I know that compareTo is supposed to return … |
| | HI problem: Write the definition of a class Clock . The class has three instance variables: One of type int called hours , another of type boolean called isTicking , and the last one of type Integer called diff . You should also write a constructor that takes three parameters … |
| | hey everybody!! i urgently need a project in java for electricity bill generation software kindly contribute as much as possible... i m in real trouble |
| | Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); //Registering driver type Connection con=DriverManager.getConnection("jdbc:odbc:proj"); // Assigning drivermanager con.setAutoCommit(true); //String str="insert into dovetail values('"+id+"','"+a+"','"+b+"','"+res+"')"; String str="insert into dovetail values('ASDF','Raj','1234','198')"; Statement stmt=con.createStatement(); // creating statement object int ret=stmt.executeUpdate(str); System.out.println(ret); if(ret==0) { System.out.println("Not Inserted"); } else { System.out.println("Data Inserted Successfully"); } /*str="select * from dovetail"; ResultSet resl=stmt.executeQuery(str); boolean val=resl.next(); while(val) { … |
| | pl. help me in how to export and import MsExcel in java |
| | Hello everyone please i need help .. i am new 2 java and i was given this assigment of which i dont even know where to start from...If anyone can help please IM me so i can send him the question or perhaps for a little guidance on how to … |
| | How to learn in the most effective and efficient way. thank you |
| | Hi Please help me with this problem Write the definition of a class Play containing: An instance variable counter of type int , initialized to 0. A method called increment that adds one to the instance variable counter . It does not accept parameters or return a value. A method … |
| | I need help understanding why my code doesn't work while using number coordinates. I'm using a two dimensional array, I would like to post my code so you guys can check my errors, but I don't want anybody else to steal it, can anybody help? |
| | I have been given a homework this is it: [QUOTE]Homework 7 Due in your lab in week 10 For this homework you are expected to write one program, which consists of a main method and an insertWord() method. You must work on the program outside the formal laboratory sessions. The … |
 | hi, i am using tomcat server to executing the jsp files. my task is to open an application while clicking the hyperlink it throws an popup error msa Access is Denied. and also i used the path of a file in href it also not opening a file. give me … |
| | hi, I have created servlets for hotel management. In that i want to create a search engine to search the customers by their name & by their room no so will u please help me out in that.  |
| | My loop keeps looping...even after the condition is changed to false. Whether I enter a "y" or an "n" my loop still loops. I know it's never leaves the loop, because I never get the "do I get here" println. This is my first time with booleans...so maybe I'm doing … |
| | hello, i am a new comer. is it possible [COLOR="Red"]to read data (e.g. some integers followed by a unique word) from a defined web page of a defined web site?[/COLOR] if possible please help me or suggest me which language is appropriate to do the job......... |
| | Is there a way to find if an entry is indeed a number without using try/catch? I want the program to keep asking the user to enter a number if s/he is "silly" enough to input something else. [code] System.out.print( "\n¿Edad minima a buscar? " ); edadMinima = input.nextInt(); [/code] … |
| | Hello all -- found myself stuck on a certain bit of code dealing with a number pattern I put together. I've written out most of the code, but I'm stuck in 2 areas - thought maybe someone could help shed some light. It seems like it would be very simple, … |
| | I guess I'm having a lot of problems tonight with this program I'm trying to accomplish for myself... I'm trying to write an application called TestNumFactors which defines a static method with header "public static int numFactors(int n)". When numFactors is called, it should return the number of factors of … |
| | [B]how to open any exe file using java. i alrerady used the Runtime.getexec() code. but when i refresh the page the application is opening. my thought is the application should be open after clicking the button in jsp page. if u have any code send me.[/B] |
| | So here's the problem [QUOTE]Write a program that asks the user to input a set of floating-point values. When the user enters a value that is not a number, give the user a second chance to enter the value. After two chances, quit reading input. Add all correctly specified values … |
| | Just curious... I've got a snippet of code I'm trying to put together, and what I'm trying to get it to do is to print out the word "yes" exactly when i ends in the digit 4, or j ends in the digit 7, or both. I know my if … |
| | I have been working on an inventory program for school and it is all working. What I need help now is making a GUI for it. To display one item at a time with a buttons like First Item, Next Item, Previous Item, and Last Item. Could someone help me … |
| | my jsp and servlet are in Z: drive and i want to configure eclipse for application server plz tell me how to do it |
| | Hi, I'm trying to make my own sokoban game in java. Sokoban is a top down 2D puzzle game where you move around a level trying to push boxes to the goal area in the least possible moves. I'm already pretty stuck at an early stage. My first objective it … |
| | i have java strategy game project.however ı dont know how can ı control the map.for example when player selected a dıvısıon how can ı get ıts poınts to know which division is selected.to be able to thıs ı should have all coordınates of the maps(every poınt).of course ıt ıs ımpossible.there … |
| | Hello, any tutorials in how to use bubblesort, selection and insertion? Help is greatly appreciated. Thank you.  |
| | 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. |
| | I am using structs to try and get the "update" functionality working. I have a list of items appearing in the jsp page, "viewItem.jsp" . I am getting this list from the database. At the moment I am just displaying the item description, but item id is also available in … |
| | [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 … |
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