36,051 Topics
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| | in my application i have JSP and a Java class(not servlet) ,if user clicks on the JSP it has to pass the value to the Java class , how to get the values from JSP ?  |
| | hi everyone, i'm looking for some help please! i'm in an intro to java class and i cant figure out what i'm doing wrong.i am getting an error message that says: Ch3_PrExercise1.java:29: ';' expected String inData.; like i said i just starting out so any help or advice is greatly …  |
| | Hey guys i have a real issue I want to do these 3 things from an applet: ________ 1) Load an URL into a frame inside the browser and 2) Insert data into a form which is inside a frame in the users browser, and then submit the form using … |
| | import java.util.Scanner; public class Compute{ public static void main(String[] args){ Scanner input = new Scanner(Scanner.in); System.out.println("Enter three numbers"); double.int= v0=5.5; double.int=v1=50.9; double.int = t= 4.5; System.out.println("5.5-50.9/(4.5)"); } } i am having trouble with writing this program, what am i missing to finding the average for this , or is it … |
| | I want to display the data stored in my database(I'm using Ms Access) when i Clicked a View button in my GUI. Everything goes smoothly, as well as even the query is executed the the values are not visible in my panel where i've added the table. Suggest me what … |
| | Hey everyone. I could use some serious help with a Java method that I have to construct for my CMIS class. Basically, I have to develop a static method that has two arrays in it, one a String array that has values of colors; the other, a Color array that … |
| | [url]http://portals.apache.org/jetspeed-2/[/url] how can help built my towns web-index? |
| | hello I need a temp fix for putting times into my form. I suspect that soon I will have to work with some kind of calender class that will send selected data in all the correct formats. I have no clue. BUT right now it stop me in the first … |
| | MusicSys:unsolved: Hello Could someone tell me which (if any combination of code to use to put a date in a derby db using a JFormattedTextField? [code] createBooking ...etc ..., book_date DATE, ...., ... [/code] here are the many tries I have so far [code] if (i == 3) { //I … |
| | MusicSys:unsolved JDesktop:JInternalFrame out of scope ///////////////////////////////////////// Hello; I Have a JDesktopPane that opens with a x frame (JInternalFrame)wit a JMenuBar and 11 JTabbedPanels .produced by x.class.I click the menuItem to produce z.frame using x.class a new JInternalFrame with 4 tabbedPanels on it again produced by x.class. Now I click on … |
| | hai all i recently install tomcat addon in my xampp and it installed rightly bt by putting [url]http://localhost:8080/index.html[/url] this i m getting nothing. this index.html is file come with tomcat to show that everything is working and it is in ROOT folder. i work in php with xampp so i …  |
| | [CODE]double wholeCost = kb.nextDouble(); double markupPercent = kb.nextDouble(); double markup = markupPercent/100.0; double retailT = calculateRetail(wholeCost, markup); System.out.println(retailT); public static double calculateRetail(double num1, double num2){ double markupPrice = ((num1 * num2)+ num1); return markupPrice;} [/CODE] i've been staring at this and can't figure what is wrong with it. the compiler … |
| | how to calculate columnwise total in excel sheet in java using HSSFworkbook |
| | Hi Everyone, I have to add a static method Account consolidate(Account acct1, Account acct2) to an existing Account class that creates a new account whose balance is the sum of the balances in acct1 and acct2 and closes acct1 and acct2. The new account should be returned. (only accounts with …  |
| | A question was asked to me which is as follow: There is a class Fruitlist which has a sub class apple and there is a class Fruit which has a sub class orange FruitList uses Fruit (* not sub classed, only uses it) and Apple uses Orange Is there something … |
| | Hi, I have this scenario and I want to accomplish it using Servlet. I need to build an in-memory Dynmic HTML and pass it on as an InputStream to itext API to convert that XHTML to PDF. Data to be inserted in that in-memory HTML tags will come from a … |
 | I'm trying to draw a string at the center of an applet. The problem is that it's STARTING to draw at the center of the applet and going off to the right. I need for the center of the string to be centered. Here's my code so far: [CODE] /** … |
| | Hi everyone, does anyone know how i might implement a 2D Vote table? Would using a 2D array for it be possible? I'm trying to implement a voting system for the indexes into hash table arrays. Any ideas? |
| | Hi guys, I have a file named DrawPanel and this class is supposed to draw different shapes which i declared before by using mousedrag. I am not able to draw more thatn one shape and put them in an array.It seems that i don't know where to change the value … |
| | Hi! I am just a newbie here! I just wanna ask how to do the file handling in java applet? Do I have to do the certain policy/permission to perform it? If so, how would I do it? And another one, how can I close the APPLET WINDOW once I … |
| | Here the code for get three digit value 'n' and calculate r=2^n+1 then find that value 'r' is a prie or not, here i like store the integer value 'r' without exponential function and big Integer, please make a great help to me. thanks in advance.. import java.*; import java.io.*; … |
| | Okay Basically i want to put the contents of array called numbers into a MSSQL database i can connect to it no problem and select and display data so its not a connectivity issue here is what i have so far: [CODE] for (int i = 0; i < numbers.length; …  |
| | i want code for my project on Online Voting System in Java |
| | Hy, I have a .properties file with a key-value defined like this: [icode]my_property.value=text text text bla bla bla {0} qwerty {1}.[/icode] I need to know what class should I use if I want to read the value and insert parameters in {0} and {1}. In the past I used to … |
| | Hello. When implementing a KeyListener in my application I have the following code. I have added the KeyListener to a JTextField control using addKeyListener(this) and the current class implements KeyListener. [CODE] @Override public void keyPressed(KeyEvent ev) { System.out.println("Pressed: "+ev.getKeyCode()); } @Override public void keyReleased(KeyEvent ev) { System.out.println("Released: "+ev.getKeyCode()); } @Override … |
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 | Hi everyone. Im trying to upload a file to an ftp server. I found this code in the internet but its not working for me. Can anyone please tell me where the error is?? This is my code [code]import java.io.*; import org.apache.commons.io.FileUtils; import org.apache.commons.net.ftp.FTP; import org.apache.commons.net.ftp.FTPClient; import org.apache.commons.net.ftp.FTPFile; public class … |
| | I have tried to connect to gmail using IMAP and specification given on [url]http://mail.google.com/support/bin/a...n&answer=78799[/url]. My code looks like [CODE]StreamConnection socket; byte serverData[]= new byte[50]; byte accountInfo[],emailAddInfo[]=new byte[500]; try { socket = (StreamConnection)Connector.open("socket://imap.gmail.com:993"); DataOutputStream oStrm = socket.openDataOutputStream(); oStrm.writeChars("Account Name:username@your_domain.com");//my account name oStrm.writeChars("Email Address:username@your_domain.com");//my email address InputStream iStrm = socket.openInputStream(); iStrm.read(serverData); String … |
| | Hi, I am neal from india from india i want to discuss on online test software in java i hope you all will help me for this. please ................. |
| | Hello all, I need to develop a simple web application in java that will take MS excel files as input and generate output in excel format as well. Since I am not very experienced in java I am not sure what framework should I be using. Do I need to … |
| | [url]https://www.edline.net/files/_IXADp_/d6877670786901263745a49013852ec4/ProgramAssignment2.pdf[/url] That is my assignment for AP Comp. Sci. Thanks in advance! |
| | please help me to create a code for this using Bufferreader.. thanks Welcome to Nancy's Addition Tutorial Program! ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ Enter 2 3‐digit numbers please, separated by a space and press enter: 123 678 You requested the following operation: num1: 123 num2: + 678 ‐‐‐‐‐ 1st addition: last digit of each … |
| | Hey guys, I'm having a little trouble with my Java homework. So far I'm stuck on problem 3.5, C). My code so far is: [CODE]package multadd; /** * * @author Josh */ public class Main { public static void multadd (double a, double b, double c) { System.out.println ( a … |
| | ///////////////////////////////////////////// make .jar runnable ////////////////////////////////////////// Hello; I can make a .jar from my program and move it to a folder in my progject but I would like to make it runnable. So I have shown the Command to make the -cmf (non runnable) .jar that works fine. I will show … |
| | j ///////////////////////////////////////// Hello; I Have a JDesktopPane that opens with a x frame (JInternalFrame)wit a JMenuBar and 11 JTabbedPanels .produced by x.class.I click the menuItem to produce z.frame using x.class a new JInternalFrame with 4 tabbedPanels on it again produced by x.class. Now I click on x.frame and try to … |
| | Hi Guys I am really green when it comes to regex , I have never had to use it much but here goes, I want to be able to remove html tags from a string so I am only left with the content. i am using [CODE] String.replaceAll("<(.|\n)*?>","");[/CODE] This doesnt … |
 | Hello everyone! When I'm starting a OSGI bundle in my Apache Felix container, I have a ClassNotFoundException. This is the output that I have: [CODE] start file:/C:/Users/Pierre-Alexandre/Documents/NetBeansProjects/Prototype1/src/Prototype1Client.jar 23-Sep-2010 10:43:12 AM org.apache.cxf.dosgi.discovery.local.LocalDiscoveryService bundleChanged INFO: bundle changed: null 23-Sep-2010 10:43:12 AM org.apache.cxf.dosgi.discovery.local.LocalDiscoveryService bundleChanged INFO: bundle changed: null 23-Sep-2010 10:43:12 AM org.apache.cxf.dosgi.discovery.local.LocalDiscoveryService bundleChanged … |
| | I am facing one problem in this type of pro-gramme where i use Class name as a Return type or pass object as an argument like here , i am getting same error(the class already defined), i am using eclipse. [CODE] ****class Test //showing error that the class Test already … |
| | There's something wrong with this code. I must implement the TestScores class, but I know I am missing something. /** TestScores class */ import java.util.Scanner; // Needed for the Scanner class // For use in CodeMate, the TestScores class is not declared to be // public. Normally the class header … |
| | Hi, I have recently embarked on an adventure into the programming world and am a 'newby' to java. Am trying to get 'my robot' to recgonise the difference between 'blue' and 'red', and execute commands - My program so far is the following - it's not recgonising the colour difference. … |
| | hi everyone, i am trying to write a java program that assigns a specified number of true values to random elements in an array. for example if i have a boolean array of 10 elements i would like 5 of these elements to be randomly assigned true values. im new … |
| | Hi.. i need to learn how to send the username and password to the database and when the user logs in it should retrieve the password from the database and authenticate if the username and password is correct. Am using this jsp code and getting error in (Resultset line) [U]here … |
| | Hi guys? I have been programming in Java using J2SE. currently am working on J2EE enterprise application development using JavaServer Faces Technology.Since am new to JavaServer Faces have decided to start by a simple login applications.Developing the interface is not a big problem but getting the parameters from the inputText … |
| | Hey guys I am stumped. My code worked fine until I added the calculations: [CODE]else{ interestRate = rate[choice]; termLoan = tYear[choice]; }[/CODE] :\Users\Mom\Desktop\DuttonWeek4.java:252: incompatible types found : double required: javax.swing.JTextField interestRate = rate[choice]; ^ C:\Users\Mom\Desktop\DuttonWeek4.java:253: incompatible types found : int required: javax.swing.JTextField termLoan = tYear[choice]; ^ 2 errors Tool completed … |
| | I have tried to figure this out and am having major problems with math pow. Any help would be great... This project deals with reading input from the user, storing the input into variables and displaying those variables. This program is an introductory project into the basic data types of … |
| | I'm trying to figure out how to transfer several methods in a cash register into one void method. Here is my code. /** * A cash register totals up sales and computes change due. */ public class CashRegister { private double purchase; private double payment; /** * Constructs a cash … |
| | import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.sql.*; class NewUser //extends Variable implements ActionListener { JInternalFrame ifrm; JLabel lbleid,lblena,lbleadd,lbletp,lbleage,lbluse,lblpas,lblcat; JTextField txteid,txtuse,txtena,txteadd,txtetp,txteage,txtpas; JButton btnadd,btndelete,btnclear,btnsearch,btnupdate; JComboBox cmbcat ; public JInternalFrame display() { JInternalFrame ifrm=new JInternalFrame("User Process",true,true,false,false); // ifrm.getContentPane().setLayout(null); ifrm.setSize(600,600); ifrm.setLocation(0,0); ifrm.setResizable(false); ifrm.setDefaultCloseOperation(ifrm.DISPOSE_ON_CLOSE); ifrm.setVisible(true); JPanel p; p=new JPanel(); p.setLayout(null); //pic =new JLabel(new ImageIcon("Employee.jpg")); … |
 | I have a complex UI with little screen real estate, so I'm trying to allow users to manage contents of a combo box using a right-click context menu. But I'm having trouble getting the combo box's drop down list to appear at the same time as the pop-up menu. I've … |
| | How to write a program to calculate incoming and outgoing packets at each system. what are the different files which are used to calculate Ip and Mac address? R there any files which are used to draw real tie graph? |
| | Oracle Certified Professional Java Programmer was formerly known as the Sun Certified Java Programmer certification. Does anyone know if the switch to Oracle has changed anything significantly, such as the questions that will be on the test? Or is it the same cert with a new name? The reason I … |
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