35,618 Topics
 | |
| | Hello, I'm working on a little project. I need to have program which: [B]1.[/B] reads textline from user (example: A little cat goes to town) [B]2.[/B] a) reads words what user wants to change to 0 (example word cat to 000) b) one word to one line and if given … |
| | help how to make payroll using java program and the following conditions: 1.one dimensional array 2.two dimensional array 3. accept inputs of string, integer and double data types 4. validation using if-else-if 5. use of loops constructs 6. computation 7. summary 8. use of JOptionpane/system.out.print pleas help me |
| | hi, I am developing one application for upload and download the files using applet and servlet. My problem is, when i upload the files from client to server is working. but when i download the uploaded file from server to client, o byte only download.. once refresh the server, file … |
| | Help ! I am new to jsp. I am writing the part of my code. It has 4 textbox fields - Name, Module, Module, Contact no. In my code 4 rows are created each having the 4 fields. What I want is that after user comes to the 2nd row, …  |
| | Dear all, i'm facing a prob for past few days that my servlets classes are not referenced properly in glass fish server . i downloaded a project from sourceforge.net named Javalibrary [url]http://sourceforge.net/projects/javalibrary/[/url] i imported all the files and all files working properly in netbeans i mean i can run the …  |
| | I should create a Java program called FindThatNumber.java. The program should generate 10 random integers between 1 and 100 (inclusive) using Math.pow( ) and then store them sequentially in an array. The program should then ask the user to enter a single integer. If the integer is in the array … |
| | I need some help with understanding an error that I am getting. Can anyone help me. Here is my problem. I am trying to hardcode information for a mortgage calc and I am getting an illegal start of expression error. Here is an example: MortgageLoanCalculator.java:15: illegal start of expression double … |
| | Write a method that computes future investment value at a given interest rate for a specified number of years. Use the following method header: public static double futureInvestmentValue(double investmentAmount, double monthlyInterestRate, int years) For example, futureInvestmentValue(10000, 0.05/12,5) returns 12833.590. Write a test program that prompts the user to enter the …  |
| | String class provides us with the method String.valueOf(some stuff) that basically converts "some stuff" into a string.. But we can also concatenate "some stuff" with an empty String (""). Both these methods result in a String representation of an object(or other data type) so my question is what is the … |
| | The application will ask questions like: What comes after D? A child is expected to answer the question and the application will inform the child if the answer is correct or wrong. The application will ask a total of 20 questions. After all 20 questions have been answered, the application … |
| | I have no idea whats wrong here, i am fairly new to java.. heres my code.... [CODE] private JPanel pnlLogin, pnlFinalLogin,pnlUser, pnlPass = new JPanel(new BorderLayout()); btnLogin = new JButton("Login"); lblUser = new JLabel("Username:"); lblPass = new JLabel("Password:"); pnlUser.add(lblUser, BorderLayout.WEST); //pnlUser.add(txtUser); pnlPass.add(lblPass, BorderLayout.WEST); //pnlPass.add(txtPass); pnlLogin.add(pnlUser, BorderLayout.WEST); pnlLogin.add(pnlPass, BorderLayout.CENTER); pnlLogin.add(btnLogin, BorderLayout.EAST); … |
| | I have an eclipse application from which i trigger an Swing widget.On click of a button on the SWT composite a window pops out which contains the Swing Table. Now i want a button on this Swing page to show up an eclipse workbench window. Any idea on how I … |
| | When I try to run my WordSort class with another class using the code: WordSort ws = new WordSort(sentence); ws.sort(); The program prints out what I want it to in the first method but for the ws.sort() method, the program prints out null. I would like it to print out … |
| | I'm making a game as my project in school. I'm having a problem regarding double buffering, im trying to draw an image (drawImage(,,,,)) into the double buffered image, I can't seem to make it work help please =D [CODE] public void render() { if(doubleBufferImage==null){ doubleBufferImage = createImage(PANEL_WIDTH,PANEL_HEIGHT); // Set Size … |
| | hi, here is my code having return method that working correctly when i print it from inside of the method, but if i call from main method its shows only one output instead all results.. [CODE]public class SearchCompare{ .... public String process(){ String showResult=null; ... .. for (String found: names.keySet()) … |
| | please tell me where i'm off the window opens but no menu bar. the error says : java:52: '.class' expected menuInput[][] = array [row][col]; thanks hs [CODE] import java.awt.*; import java.awt.event.KeyEvent; import javax.swing.*; public class Driver{ public static void main(String[] args) { TheWindowObject aTestFrame = new TheWindowObject ("test"); } } … |
| | hey guys, i have to do this program and i'm having trouble: Write a program that lets the user enter the loan amount and loan period in number of years and displays the monthly and total payments for each interest rate starting from 5% to 8%, with an increment of … |
| | delete this, solved, had to do with how a variable was declared |
| | I just wrote my first program using methods (I am only on chapter 5). I am not sure where I would use javadocs other than the ones that I already have in my code. Can someone help me? [code]/** * @author Brock Shelton * Date: March 15, 2010 * purpose: … |
| | Hi all, I have been trying to find this out for 4 days straight, doing all types of research and yet I cannot find it, although it seems like one of the most fundamental things I can think of. I am new to jsps and servlets but not new to … |
| | Hello everyone :) My problem is that my input will not be transfered when i build a new Object. To understand my problem i give you first the output: Welcome Hero! Show me your Attributes! Enter your Name: KIKI Enter your Strength: 50 Enter your Health: 60 Enter your Intelligence: … |
| | import java.awt.*; import java.awt.event.*; import java.io.*; public class StudentWriteApp extends Frame implements ActionListener { //Declare stream objects FileOutputStream outputStudent; //Stream to create file ObjectOutputStream objSaveStudent; //Stream to save an object //Declare components TextField txtStudentName = new TextField(20); TextField txtAddress = new TextField(20); TextField txtResults = new TextField(25); Button btnSave = … |
| | Hi , I'm a new learner of Java I start study Java since 2 weeks one of my friends challenge me to type program that show the number which I enter , It's even or odd . could you help me about the main things ,,, |
| | just needed to know when does getHeaderField(String) shows null. Is there any other case where null is returned even if the header exists |
| | Hello everyone, My aim is to include content dynamically in JSP but I have no means to tests and I don't know JSP. My code is already working in PHP and I would simply need some help to convert it to JSP... My PHP code is : [CODE] echo file_get_contents("http://www.myserver.com/newsletter/?action=detailnewsextern&profil=CocaCola&extern=1&inter_lang=fr&limit=3&".$_SERVER["QUERY_STRING"]); … |
| | All, Basically what you have here is a PART of my program. Here I am supposed to get the LENGTH of a rectangle from a user and return that length to the main method for further use. My program works fine if I take out the input validation but I … |
| | [code]<% String user=request.getParameter("LedgerName"); ResultSet rs=st.executeQuery("SELECT RoomMasterID,RoomNo FROM RoomMaster AS RM, LedgerMaster AS LM WHERE RM.LedgerID = LM.LedgerID AND LedgerName = '" & Me.datRoomType.SelectedItem.Text & "' AND RM.Status <> 'NO' AND RoomMasterID NOT IN (SELECT DISTINCT RoomMasterID FROM BookingMaster WHERE ' " & Me.datarrivaldate.AmericanDate & " 'BETWEEN FromDate AND ToDate) AND … |
| | Hi everyone , I have huge problem I developed a jsp project which work great on tomcat on windows through eclipse but when I run it on linux tomcat I get error symbol can not be found that means the compiler does not recognize my class when I use it … |
| | how to create a new excel file on click of a button in java? |
| | Oje me again... :$ Hello everyone... I have a superclass Human and a subclass Warrior. Problem is, human got this method: [code] public void Reveal() { System.out.println("I am " + name + ". "); System.out.println("My Strength is " + strength + " my Health is " + health); System.out.println("My Intelligence … |
The End.