36,051 Topics
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| | ok guys so i have problem here is the goal of this program:Write a Java program that reads in this file and produces a visual representation of the seat assignments, with a passenger's name and his/her seat assignment in each seat slot here is the data in [URL="http://www.cs.oswego.edu/~odendahl/coursework/csc212/201009/assignments/03/seats.txt"]this[/URL] text file: …  |
| | hey everyone, well i have made a method that would return array of string. the strings would be obtained from the file(employee.txt) every 4th line in the file contains employees loginID i need to store those ids in to one array and then return it. here is the code of … |
| | anyone kno why java keeps telling me illegal start of type , in the first if statement thanks in advance Airline reference = search(choice, airlineObjects); if(!choice.equals("QUIT")) { if(reference == null) { System.out.println("wrong flight number enter another flight number"); } else { System.out.println("your file detail is ....."); System.out.println(reference.getFlight() + " " … |
| | using recursive Java method [CODE]import java.util.ArrayList; public class Count { private String word; public Count(String w) { word = w; } public ArrayList<String> getUpper() { ArrayList<String> result = new ArrayList<String>(); if(word.length()==0) { result.add(word); return result; } for(int i=0;i< word.length();i++) { if(Character.isUpperCase(word.charAt(i))) { String shorter = word.substring(i); Count shorterCount = new … |
| | i'm writing a program that can tell me where my curser is and whether the bottons are being pressed  |
| | please i can someone help me about creating chat massager application, please if anyone one know it please help. thanks  |
| | I would like to compare user input against and entire file and print out message when item is found or item not found. My program below appears to do that but it is doings so one line at a time. Please help. Jems [CODE] import java.util.*; import java.text.*; import java.io.*; … |
| | hi folks the program I am attempting to do here, even though its horrible so far, is one that reads in a file containing: [code] Johnson 85 83 77 91 76 Aniston 80 90 95 93 48 Cooper 78 81 11 90 73 Gupta 92 83 30 69 87 Blair … |
| | In my program I need to have the user get two chances before ending the program. Currently if the condition is not satisfied then they only get one try. I would like some help in getting a second try. [CODE] // Takes user entry Scanner user = new Scanner(System.in); System.out.println("Please … |
| | I was atteched two file with this poll, I m facing problem when <select> attrib value fetching. email.txt Originally file(email.jsp),where i was connection with database & taking E-mail Field in to <select> dynamically,But when i redirect to otherpage this <select> attrib that time (request.getAttri(...))// Is taking Null value... I can't … |
| | hey everyone, well i got a little problem im trying to write input from the JTextField into the file (file4.txt) but the problem is it keeps overwriting the text file each time i make input and any data ther was is changed in to new data.all i need is that … |
| | I'm trying to write a program that, after playing a game with the user, asks if they want to play again. For this test, I want to simply test the first letter of the word they input and if it's a "y" then the game will repeat. at first, I …  |
| | I was just wondering if there is a method or something in Java that, once a URL has been passed, can determine if a webpage under that URL was written in HTML, PHP, XML, and so on. I looked in URL and HTTPConnection classes but didn't find anything. Maybe missed … |
 | The program like the title says is supposed to return the largest integer value in an user-inputted integer array, using binary recursion. And in the case of an empty array, return Integer.MIN_VALUE. I am kind of stuck on the logic of this binary recursive algorithm. I know there is errors … |
| | how can i associate jar files with java.exe not javaw.exe in window 7,since if jar file is associated to javaw.exe,then console is not displayed. thanx  |
| | [code] public class Animal { public void eat() { System.out.println("I eat like a generic Animal."); } public static void main(String[] args) { } } class Fish extends Animal { @Override public void eat() { System.out.println("I eat like a fish!"); } } class Goldfish extends Fish { @Override public void eat() …  |
| | I figured out how to make indentation with [code=java] SimpleAttributeSet style = new SimpleAttributeSet();// = doc.addStyle(null, null); StyleConstants.setLeftIndent(style, 12); StyleConstants.setFirstLineIndent(style, -12); [/code] and then use doc.setParagraphAttributes(doc.getLength(), 1, style, false); after the insert into document. now numbers there doc.getLenght(), 1, i've been changing around but always same issue. The problem is … |
| | Hi , i want to fetch company profile using hoover api , i have my java based application in that i want to integrate company related data , like company name , location , contact no , emailid , company picture . can anyone plz help me for some important … |
| | Hello I am making an project in Netbeans and the following is my problem: I deleted some of my .java files of my project and later copy pasted the same files. Now the code runs perfectly fine but Netbeans doesnt detect the packages. I mean inside the code it shows … |
| | Hi, I am relatively new to JAVA and especially SQL and I am having trouble with a "cannot find symbol error. I believe it is at this line catch: "catch(SQLExeception e)". Any advise would be greatly appreciated. Thanks, Mike NetBeans code looks like this: [code] import java.sql.*; public class Book … |
| | This is probably really more of a math problem. I hope I want have to go into too much (for you, boring) detail about the code, as the problem resides in this loops. Please let me know if I provided too little detail :) Now for the problem: I would … |
| | Hi, In JSP for some responses from the server the header is null. Is this because the header size becomes very large? If yes then is there a possibility wherein we can increase the size of the header? What is the maximum possible size limit? I am using JSP and … |
| | Need help please. This program is supposed to be a do while loop and convert fahrenheit to celcius and vise versa using user defined methods but as of right now it just doesn't work. I need to make a do while loop in main method too, but was just trying … |
| | Alright well im trying to code a multiplication table for a webpage im making. This needs to be in a separate java Servlet as opposed to an inline javascript. Basically the code should output embedded html code something like [code] <table> <tr><td>4*0=0</td><td>4*1=4</td><td>4*2=8</td></tr> <tr><td>5*0=0</td><td>5*1=5</td><td>5*2=10</td></tr> <tr><td>6*0=0</td><td>6*1=6</td><td>6*2=12</td></tr> </table> [/code] There is an HTML … |
 | Hi i have a program with a JFrame and it has two jpanels on it, one containing the buttons needed and the other which is going to be used for plotting graphs, but when i try to plot an x, y graph on the plotting jpanel it does not show … |
| | Hi..i am calling a method where i am selecting a row from DB, this is happening n no of times....bt after somoe no of select statement, connecttion has been lost. Is there any type of limitation with no of select with hibernate. or any issue with .hbm file... my .hbm … |
| | how to create a database in Ms Access and connecting it to forms that is created using swings in java using Netbeans 5.5.... can u please explain me with an example in netbeans 5.5 please  |
| | can anyone help me look over my code? The Course class A Course object should store the department, course number, and course title. It should have linked lists of prerequisites and "subsequents" (the courses for which this course is a prerequisite). The constructor should construct a course given a department, … |
| | public class Test { public static void main(String[] args) { int max = 0; max(1, 2, max); System.out.println(max); } public ststic void max( int value1, int value2, int max) { if (value1 > value2) max = value1; else max = value2; } } |
| | Hello I am trying to get to a Component On a JInternalFrame. I have a reference to the frame on the frame there is a panel. on the panel there is a JTabbedPane. to add a tab to the JTabbedPane I need to reference the Pane. Is there a way … |
| | Hi, I have a javaproblem that I just can't solve. "Write a [B]recursive[/B] method who returns the largest value in an array with the signature: [CODE]public int max(int[] v)[/CODE] (Hint: If you need to, use a private help-method) It would be easy if it was allowed to change the signature … |
| | hi everyone. my name is chris..i am new to javw pogramming i just have the feelings that i can get what i hv been looking for here.. i startd reading java sometimes ago and i got chocked whn i got to evnt handling... i relly wantto be a java pogrammer..i … |
| | hi, i am creating a small program for an assignment to store and retrieve information from a database. I have created arraylists to add and retrieve the data. just wondering if i am going about it the right way. One of the problems is that when the information is displayed … |
| | [CODE] public void mouseClicked(MouseEvent e) { store clickedStore = null; for (int i = 0; i < stores.length; i++) { if (stores[i].isClicked(e.getX(), e.getY())) { clickedStore = stores[i]; break; } } } [/CODE] Is it possible to display the result of the above loop as a string? I have tried various … |
| | plzz help me........... i want to list all the sub directories,files(including subdirectory files) in a particular drive(C,D,E,etc). |
| | I keep getting a"Can't find symbol" error and code will not compile. Assignment already late and need help ASAP. [CODE]//Inventory Program Part 3 //IT215 week 6 class Inventory { String itemNumber; //stores item number String name; //stores name int stockQuantity; //stores quanity in stock double pricePerunit; //stores price String departmentName;//Department … |
| | Hi, I am having a problem in using radio checkbox to change the color of a graph. The main Idea was to add checkboxes to a graph and also add different shapes to the graph code which was given. The code I tried is the following : [code]import java.applet.*; import … |
| | Hi guys, I really need some help with this, I've spent hours looking for a solution. I have 4 classes of which 2 are important right now. 1. The user enters his username in the JTextField userF, if I print that userF.getText() in the class where userF is created I … |
| | i creeat a jar file,i used system.out.println to display records on screen.but the problem when i click on jar file nothing is displayed.it is displayed only when i am opening command prompt and entering java name of file.so result is displayed on console (msdos) but i want result to be … |
| | [code]public class Test { public static method1(int n, m){ n += m; method2(3.4); } public static int method2(int n){ if (n > 0)return 1; else if (n == 0) return 0; else if (n < 0) return -1; } }[/code] |
| | [CODE]public static Integer calcs(String postFix) { StackInterface<Character> stack = new LinkedStack<Character>(); // instantiate Character stack Integer result = new Integer(0); Node<Integer> num1, num2; Integer int1 = new Integer(0); // declare address to each variable object Integer int2 = new Integer(0); num1 = new Node<Integer>(int1, null); num2 = new Node<Integer>(int2, null); … |
| | Hello, Is it possible for anyone to explain to me what "Initialize the 3 parallel arrays" means? Here is the problem. A file called seats.txt contains a description of an airline seating arrangement and a list of individual seat assignments. An example is shown here: rows 7 leftSeats 1 rightSeats … |
| | [code] import java.awt.*; import java.awt.event.*; import java.sql.*; import javax.swing.*; import java.util.*; public class attendance extends JFrame implements ItemListener, ActionListener { static Connection con; static Statement stmt; static ResultSet rs; static ResultSetMetaData rsMeta; String query; String ref="",rollno=""; String[] heads; int[] stChange; String[][] cubeData; int rows, cols, coo; public attendance(String tit, String … |
| | Dear All I am a newbie Java Learner.I try to learn over Java API Docs.But still I need some help. I have a gui which consist of four textfields(tf1,tf2,tf3,tf4) and a button(b1). If I press the button(b1)"Register", I want my action write whole textfield sources into a text.txt file by … |
| | Hai, I am new java developer. Now i am doing one struts application. In my application, at the User registration time, i need to Encrypt the password field and then i like to store into the database. After that the same user will be logging, at the moment the database … |
| | Hi! The problem is connected with using frame.pack(). So, let's say there is JFrame: frame. Depending on the option selected from JComboBox, the content and size of JFrame should change. Everything works perfectly in NetBeans (!!!). However, if I try to run the JAR file, then the size of JFrame … |
| | I am writing Spring web MVC app whereby the client and the server communicates by sending json messages. On the client I am making asynchronous calls to update textboxes. Could you please let me know if I am using the right syntax? I have hit a brick wall and cannot … |
| | Hello, I am trying to create an IRC server. The thing is that I dont want this server to run on "localhost", I want to connect this server to other upstream IRC servers. I dont know how to do that. I.E. I want this server to connect to smth.hostname.com on …  |
| | I wrote a simple HelloWorld programe looks like something this: import javax.swing.JOptionPane; public class HelloWorld { public static void main(String [] args) { JOptionPane.showMessageDialog(null, "Welcome"); } } ----------------------------------------------------------- In this simple java programe which in not an applet I just want to print the "Welcome" message in some other fonts … |
| | My code is : [CODE] public final class Pixels{ BufferedImage img=null; public int w,h; public Pixels(){ try { // Read from a file File file = new File("1.jpg"); img = javax.imageio.ImageIO.read(file); } catch (IOException e) { } } public void checkfunction(){ h=img.getHeight(); // errorpoint w=img.getWidth(); } [/CODE] Errors: Exception in … |
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