36,051 Topics
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| | Can you help me with this problem I have a class and I need to create separate class justo fro reste button, but I am not sure how to do this? Here is what I have done [CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; public class MyEventC extends JFrame implements …  |
 | Hi , I developed an application which checks mail(gmail) all the time and alerts me whenever new mail has come. In short its a email notifier or email alerter. The application uses IMAP protocol .The application opens the connection once and it continously checks whether a new mail has come. … |
| | Hello, I have been told to design website in JSP. Firstly it contains login page.i hv designed login.jsp but it contains all HTML tags. For the database(Sybase) connection i m planing to write java file login.java which will be invoked in login.jsp action method.... ... ..is this a right way … |
| | hiya i stuck on this can anyone help please Result1 = (Val1*Val2)/Val3; Result2 = (Val1+Val2)-Val3; write a sperate method to print the result of the above calculation and then write a main app class to create an operator object set it up with some test data to calculate the values …  |
 | I REALLY need help. ThIs program works - except I have one fatal error that I can't seem to figure out how to fix. The players can play where other players have already played. I tried to use the switch statement at the bottom in method checkMove where if result …  |
 | Please explain all these four pages- Open the images in paint. Only then will you be able to view it. Thanks in advance.  |
| | I display the progress bar for downloading attachments and it works fine … but when I am downloading some attachments I get the exception message: [QUOTE] Exception in thread "main" com.sun.mail.util.DecodingException: BASE64Decoder: Error in encoded stream: needed 4 valid base64 characters but only got 1 before EOF, the 10 most … |
| | How can i update my Jpanel with the labels from another class in certain intervals? |
| | I want to delete the strings file1 and file2 after its merged to a single pdf merge12. Please suggest your valuable ideas.. Thanks in advance package com; import java.io.FileOutputStream; import java.util.ArrayList; import com.itextpdf.text.Document; import com.itextpdf.text.pdf.PdfCopy; import com.itextpdf.text.pdf.PdfImportedPage; import com.itextpdf.text.pdf.PdfReader; /* * author * @282532 */ public class PdfMerger { public … |
| | hello! i have been using Struts 2 for 2 weeks and i want to know if my login design is acceptable or not. here's my code: [CODE] <s:if test="status != null"> status property is NOT null <s:if test="status == 'incorrect'"> <div>Incorrect username/password</div></s:if> <s:if test="status == 'incomplete'"> <div>Incomplete details</div></s:if> </s:if> [/CODE] … |
| | I want to ask a question When i say i am deploying application on the cloud its means that my application is basically on the my computer and API's provide basiclly provide server requests to my computer? Is application uploaded to the server? or still on my computer? Can anyone … |
| | Hello all! I'm having some confusions about what to use as the "Home Page" in my web app. Should I use Servlet?([url]www.foo.com/index[/url]) or JSP?([url]www.foo.com/index.jsp[/url]) I dont know what would be their entry point in my site. I mean, let say, they visit [url]www.foo.com/index.jsp[/url], and they click login, the page then … |
| | I am preparing to make a project "Accessing SANS through application on the cloud" the objective of the project is deploy a SAN in our company and allow users to upload and use data through application stored at Google App Engine. Is this achieveable? if yes then how could application … |
| | So having a function code in JSP, example is this one: [CODE] function isitinstalled() { try { var myObj = new activity1(plugin.activity); if (myObj) { return "activity123"; } } catch(e) { if (navigator.plugins[plugin.namename]) { return "me"; } else { return false; } } return false; }[/CODE] How do I translate … |
| | Hey everyone! I am trying to writing a program that will play hangman. I have an understanding, on paper, of how to write the program... but I just cant fully convert it into java. I have started the program but I've gotten to a point where I'm stumped. Any help … |
| | Okay so this is another question printing patterns but this time using input! I have to prompt the user and read an odd number from the input. I can only use System.out.print('*'); System.out.print(' '); and System.out.println(); I need to maximize my use of repetition and minimize the number of output … |
| | When I export the program to a executive Jar, file.txt does not import. The file.txt is in my src folder. Everything works file when i run the program in eclipse but when i export it, it does not import. HELP, I am new to Java and everything. |
| | ok, I'm pretty embarrassed to be posting such a simple question, I feel like I've done this in much harder applications like a million times... [CODE]String[] wordVar = text.split("$");[/CODE] Why does the above code not split the String 'text' at each occurrence of a "$"? Is the "$" a special … |
| | I'm writing an assignment for my introduction to programming class and we're supposed to implement the following interface: [CODE] public Interface Account{ //Calculates interest (1%) and adds to the account balance public void interest(); //Calculates the balance after a deposit public void payIn(double money); //Calculates the balance after a charge … |
 | Hey guys been working on a java Program. I am having a problem with my percent rounding up to 7% instead displaying 6.5% any ideas here is my Program. [CODE]import javax.swing.JOptionPane; import java.math.*; import java.text.NumberFormat; public class Week_three_number_eleven { public static void main(String[] args) { String Investment = JOptionPane.showInputDialog(null,"Please enter …  |
| | Write an application that computes the cost of a telephone call. The inputs are the time the call was placed (this should be written as a 24-hour time, e.g., 2149 for a call placed a 9:49p.m.), the duration of the call in minutes, and the distance in miles of the … |
| | Hello! I'm doing my first homework assignment with abstract classes and interfaces. I have a few questions: (1) I know that a class must be saved on the computer as, for example, Class.java. Is this the same for abstract classes? How are interfaces supposed to be saved? Do they need … |
| | Hello Everyone I have an Internal frame in my application which has a JTable populated with values from a database and a JButton which performs some operation when a row is selected from the JTable.When the user does not select a row from the JTable and clicks the JButton, I … |
| | Is there a method to check if a JButton has an Icon? becouse I've been searching all over google and i cant seem to find anything |
| | Hey guys, I'm currently creating an Employee style GUI program in Java, and I have a .txt file with several Employee details (int, string, string, string, int, double), right now I want to implement a way to display all objects within a JComboBox at the very bottom of my program. …  |
| | Why is netbeans doing this?! I added an image to my login screen, but now when i want to add a new one (i just chose a crytec logo to show) then it doestn display it!? It still displays the old one!? Whyy?? (image Attached) |
| | The goal of the project is to calc based on age and gender there rental rates for cars. but something is going terribly wrong T-T. I am receiving the following errors in homework for java class. ----jGRASP exec: javac -g RentalRate.java RentalRate.java:112: error: illegal start of expression public static String … |
| | My project scope is on android forensic. 1. After extracting all the information from an android phone, the information is saved to an excel file. Currently, I'm trying to transfer all the data saved in the excel file to MySQL database in Java. 2. After which, implement a feature that … |
| | Hello, I have a small issue. I am encrypting the data in J2ME using DES. When I send the data to the server, the encrypted text which has special characters is changed into "?" (question mark) and because of this the decryption doesnt work, it gives bad padding exception. How … |
| | Dear all, Context: JSP I'm trying to get the value of a java variable and assign it to a javascript variable in order to later on use it in an iframe: [CODE] ... rs.next(); entry1 = rs.getString(3);%> <SCRIPT> [COLOR="Red"] var tt="<%=entry1%>";[/COLOR] [COLOR="red"] var content = "<html><body>" + tt+ "</body></html>";[/COLOR] var … |
| | I'm working on a homework my OOP class and I just can't figure out this last part. The assignment calls for us to write five different classes with parent class StaffMember. I'm pretty sure I've that at the subclassess (Volunteer, HourlyEmployee and FullTimeEmployee) correct so I'm not going to post … |
| | Hi co-programmers, We're currently doing a simple conversion of a jsp to java format. I think we we're able to somehow force our way for a java program to hold our jsp program, but unfortunately we are having a slight problem. We're getting this exception: Exception in thread "main" javax.script.ScriptException: … |
| | I have problem with selecting text, In this code it only selects one and finds one, hot to make it to find more? [CODE]public void actionPerformed(ActionEvent e) { if(e.getActionCommand().equals("ResetAll")) { area.setText(""); search.setText(""); found.setText("0"); } else if(e.getActionCommand().equals("Exit")) { JOptionPane.showMessageDialog(frame, "Good-Bye","218 HW #5", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } else if(e.getActionCommand().equals("Clear")) { area.setText(""); } else … |
| | I'm planning on developing a call center/call tracking software for an IT helpdesk for my Final year project. The system should: 1. Auto-generate ticket numbers 2. have a database of users (agent just puts in ID number and the rest of the fields populate) 3. Be able to search for … |
| | I have problem with do while loop I need something like this [CODE] What do you want to do? 1 Create a new account 2 Deposite funds 3 Withdraw funds 4 Show Balance 5 Show Interest 6 Show Summary 7 Quit Enter Option: 2 Which account <1 to 2> do … |
| | I'm working on a program for an intro to java class and am supposed to use the following interface: [CODE]public Interface Animal{ //The animal is first supposed to "speak" and then it gets to eat //As long as the food supply lasts public void feed(); //The animal eats public void … |
| | Hi all! Can anyone help me on finding out if it is possible to fill an iframe in a jsp loading text from MySQL? or a different way to do it? Thanks in advance [CODE] Example: <% Connection conn = null; Statement stmt = null; ResultSet rs = null; String … |
| | Caused by: org.apache.maven.artifact.installer.ArtifactInstallationException: Fa iled to install artifact com.jarus:AndroidAgentApp:apk:0.0.1-SNAPSHOT: C:\Users\ Sarath\mavendependencies (Access is denied) at org.apache.maven.artifact.installer.DefaultArtifactInstaller.install(Default... what does this mean? i am trying to install a new dependency for my android project. |
| | I need to create a print statement as "n" is being popped from the stack, just like I have one for when it is being pushed on to the stack. I understand what is happening on that final return when in the base case, but I don't know how to … |
| | Hi! My project has two text file:input and output java.util.NoSuchElementException: No line foundread exception Exception in thread "main" java.lang.NullPointerException at java.io.Writer.write(Writer.java:140) at nfa2dfa.NfaToDfa.OutputFile(NfaToDfa.java:217) at nfa2dfa.Main.main(Main.java:30) I don't know what they mean?! |
| | I am building a GUI for school, aside from the coding issues (that I can't figure out). I need to add a logo of a planet. I found a cute little pic, resized it and downloaded it to my computer. Got it uploaded to Netbeans ...but I can not figure …  |
 | Hello. I'm currently a 10th grader who's been sitting in front of the computer for hours trying to figure this assignment out. First, my teacher gave me a reverse integer problem. He wants us to reverse the numbers `12345, 10001, 1200, and 5`, and display in in the output. The … |
| | [code]import java.sql.*; public class GetAllRows{ public static void main(String[] args) { System.out.println("Getting All Rows from a table"); Connection con = null; String url = "jdbc:mysql://localhost:80/"; String db = "Flights"; String driver = "com.mysql.jdbc.Driver"; String user = "root"; String pass = "pass"; try{ //Class.forName(driver).newInstance(); con = DriverManager.getConnection(url+db, user, pass); try{ Statement … |
| | I have written a class to read a text file and write the data into a 2D array of max records x 12 fields. Now that I have this working, I need to be ablel to call this array from my other classes to perform different tasks on the data. … |
| | Hello everyone! I am new to this forum and a beginner programmer. I wish to develop a small social networking site using JSP/Servlet and other useful java technologies. Your help is needed a s I am not much aware of the SDLC process. Need your help starting from the basics … |
| | Hello Everyone, Am facing problem am using RAD IDE, Java Version 1.6.0_30 from Sun Microsystems Inc. the program are executing successfully and showing output in IDE. But when am trying to compile the program outside the IDE the java program compiling the program and generating .class file but it is … |
 | Hey Does anyone know a good tutorial to understand web services under Java using WSDL? Most are pretty confusing and at the end offer no source sample code to test it out. Thanks |
| | how can i add components to Jpanel from another class |
| | Hey guys, right now I have an Employee style java program that is basically for adding Employee data to a .txt file, I have all of that down pat, I have also got my program to automatically set the highest ID + 1, so I don't have to find the … |
| | The attached image is the example of .xls file that I want to import those data to mysql database using Java. Any help I get will be very much appreciated. |
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