36,051 Topics
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| | I am new to java and trying out a question but I have no idea why it can't calculate my commission public static void main(String[] args) { Scanner keyboard= new Scanner(System.in);// input form keyboard double retail_price; double emp_num; char trans_code; double a =0.06; double b = 0.08; double commission; System.out.println("Please …  |
| | Hi guys. I'm working on my school project. My asigment is to make a piano game. The program works fine but my work stopped when i came to a problem. I would like to put the integers, which i get from pushing the specific JButton, into an array. For example …  |
| | Hello there I am currently just making a sample website to try and get back into the swing of things but I am encountering a problem with one of my divs. The div giving trouble is the leftContent div. I want to set the height of it to fit the … |
 | I am designing an application in Java and it requires networking and for that I am using a framework called Kryonet, now I've been able to learn how to send packets and connect, etc, but I'm still not sure how I would handle logging in. The user would need to …  |
| | I want to build a very configurable web app where a user can just right-click and add/delete menus. So I would like to get some suggestions( web links, books, frameworks) that can get me going - from design to development. I'm willing to using Javascript and/or Java/JSP.  |
 | I have a stock system where you can add a item to the system, increase the amount of different items, decrease the amount of different items in a system and completely delete an item from the system. What I am trying to do is when the user inputs the name … |
| | Have a problem on line 128 : out.println("Location \tAveragePrice"); Not recognize it.And the program not compiling. Have a txt file(cars.txt) : CARREG MAKE MODEL COLOUR LOCATIOn PRICE OWNERS MILEAGE 09-L-1258 OPEL ASTRA SILVER LIMERICK 12999 0 35000 01-D-7845 FORD FOCUS BLACK LIMERICK 1500 3 85000 11-D-7425 NISSAN ALMERA WHITE DUBLIN … |
| | Hi,please help.Stack with streamtokens.I want to figure out how to print the table : County Max Min Condition Clare 4 0 Cloudy Cork 3 0 Rain Kerry 4 1 Showers Limerick 4 1 Cloudy Tipperary 3 -1 Clear Waterford 2 -2 Clear in format : County Average Daily Temp Freeze … |
| | hi guys havent been here for a while. I am practicing this program for a few days now I havent seen no syntax error but am not getting any output. the program is about a loan officer for two group of employees for a credit union. the regular staff salaries … |
| | Hi all can you throw some light on the resolution of my problem,should be simple ,but can not figured out .Here is my server and client class,The problem is server does not show the JOption pane with result. public class Client { /** * @param args the command line arguments … |
 | hi all , Am doing event management project. In jsp page am using javascript date picker. Then i passed that to servlet page by the following code. DateFormat formatter ; formatter = new SimpleDateFormat("dd-MM-yyyy"); Date date=formatter.parse(request.getParameter("date")); now I want to insert date in mysql database , How can I achieve …  |
 | This might sound like it's very simple but I tried many things and it doesn't work. When the user clicks the back button on a window it's supposed to also dispose another window. I've tried using static. if(Tester.backJButton.isEnabled()) { this.dispose(); } Tester is the name of the class holding the … |
 | Hi there, I was given a little exercise to complete for a graduate position. I have only done a HDip in Computer Science, so that's only about 8 months of Java stuck in with a whole other pile of stuf.. long story short.. I've only get the basics of coding, … |
 | implement a full class Car that has teh following characteristics: brandName, PriceNew, Colour and Odometer. The class should have a constructor that prompts the user to enter the characteristics above. A method getPriceAfterUse() which return the price of the car after being used according to the following formula: a.car price …  |
 | Can someone give me some programming ideas to keep my knowledge up-to-date? I received a masters degree in computer science back in December and been job searching since then. I want to tell an employer something.  |
 | Hi, I'm thinking to upgrade from java sdk 7 to 8 (JamesCherrill will be pleased,lol!) and I was just wondering if there is anything I need to be careful with, especially in eclipse. I will start first with Windows, and then do the same thing in Ubuntu. My eclipse seems … |
| | Hi, I'm new to this Java world, and just can't figure out this problem. After I use nextInt or nextDouble, and try to use nextLine, it won't work unless I put nextLine twice. What's the problem there, and what would be the good way to handle this? Just gave a … |
| | Hi there, terribly confused how to get going with a career in programming. I have basic knowledge of Java programming principles, and I understand to some degree the object orientated aspect of the language also. My question is where to go now? Or what else to learn? Here are some …  |
 | An auto dealership has 50 cars and 50 customers who all show up simultaneously when the dealership opens.. All cars are off when the dealership doors open. As the customers enter, the first customer, denoted C1, starts every car. Then the second customer, C2, beginning with the second car, denoted … |
 | Hello All, I am unable to import javax.sound.sampled in a mobile app I have been playing with. I am currently using AndroidStudio and I do have the path pointing to the JDK not the JRE. I was for a while able to import them when I included the jar files … |
| | Not sure why but the chronometer counter will start as soon as the application starts without me clicking the button. Does anyone see what the issue would be? package com.example.android.courtcounter; import android.os.SystemClock; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.TextView; import android.widget.Chronometer; public class MainActivity extends … |
 | Can anyone help me with this? You have been hired by the Wayne County Road Commission to write a Java console application that dispatches patching trucks on county roads. It reads truck and route data from files and stores them in objects. It then reads an order file to dispatch … |
 | Hello I am almost finished with my assignment but I just need it to do the math correctly and I need help!!! I can easily do the problem on paper just fine however I can't get Netbeans to create the right answer. Here is the problem I need it to … |
 | Hello to all! I know well how to access database and its tables from sql server in Netbeans, But know I need to access a report from sql server in Netbeans. For example if I have a table named "MyTable" in sql server 2008 and then I ran a query … |
 | I am unabe to send email. The page is hanging and it is not displaying any error. Please help me fix the issue thank you in advance. |
 | I am fairly new to java using Spring boot and maven. I was assigned a task to get the revision number and timestamp for the current revision from the project and put them into an app.properties file . Most of the demonstrations I have found displayed the templates as such, … |
| | Hi guys, I have a question about error handling. Still working on the addition application and now that I've learned what are the correct exceptions to handle I'm not sure what to do when I've established that the my inputs are all valid and print my result. Let's have a …  |
| | HI guys, I'm really new to SVN and today I've installed tortoise as I'm working in windows at the moment and I'm following this tutorial https://tortoisesvn.net/docs/release/TortoiseSVN_en/tsvn-qs-guide.html. So, I have a java project in Eclipse: I have created a local repository folder on my machine and imported a project in it. … |
| | Chaps, I wonder if you can give me a hand with this. Here's the brief: "Create a program that draws 10 random filled shapes in random colors, position and sizes. Method paintcomponent should contain a loop that iterates 10 times. In each iteration, the loop should determine whether to draw …  |
 | Hello all I have a chat room application where clients connect to server and can chat between each other, I am also trying to add a feature where a client can request a file from the server sucha s an image sound file or video I am trying to convert … |
| | i Am new to selenium webdriver and I want to automate a webpage related to my project. I am currently working on login page, however I facing problem with the login button which I am confused which locator to use. The login button is below: a href="javascript:LoginSubmit('Log In')"> img border="0" … |
| |  Plesae take a look at the image attached. I have created a maven project by the following steps: 1. open eclipse EE 2. file > new > pther > maven project 3. click on 'create a simple project' checkbox 4. click on 'use defualt workspace location' checkbox > … |
| | Hi guys, I have a simple application which allows users to input a divisor, a divident and then calculates the quotient. I'm using vaadin as framework but I don't think that matters. So I've been thinking about the exceptions that can occurr and these are the ones i have identified: … |
 | THE CODE BELOW IS FOR SAVING FORM DATA FROM HTML FORM TO A TEXT FILE IN THE LOCAL COMPUTER. BUT, THE TEXT I AM GETTING IN THE TEXT FILE IS ALWAYS IN A SINGLE LINE AND I CAN'T ORGANIZE IT. THE CODE BEING USED IS AS BELOW. <!DOCTYPE html> <html> … |
 | Hi daniweb community, this sounds really weird question but I'm having a problem finding a page/portal. has been about 2 days and I've been searching literally for more than 30 hours. From the desperation I am asking any of u if they know it. Inside microsoft page, or microsoft azure. … |
 | Hi! Can I ask for help, please? How can I pass variables especially array variables and values from a class to other class? |
| | Java code to get windows service start time ? Like how we get using Process Explorer. Thanks in Advance! PFL for Screen Shot: https://drive.google.com/file/d/0B5KXd3eMbanKckt0YXZCTERWU2c/view?usp=sharing |
 | hi!guys pay some attention there thanks can any one tell be what is the difference b/t java and java script.. According to my point of view java is programing language that used for the application development..but i have a little knowledge about java script i think it is client side …  |
| | Hello, I am facing a problem I cant seem to find an efficient solution for. My application is supposed to parse a text file while another process is continuously adding to it. I have tried scanner and inputstream but both seem to stop once they hit the end of the … |
| | Hello everyone! I have been working on my school project and I have encountered problem linking jTable with a table in the sql server.Can anyone please help me regarding it.Please help me with the code on how to link the the table. |
 | Create a payroll program for 5 part timers for 1 month let the user program enter the name of 5 employee and the No. of hours per week. Based on the rank,calculate and display Net Salary based on the ff: Rank Rate per hour Instructor I Php 172 Instructor II …  |
| | Hi! I'm a beginner in Java can you share an answer for this assignment since I already been doing this for a week and I don't know how to answer. Create a Student class with those attributes: 1. firstName 2. lastName 3. grades (it contains grades between 0 and 10) … |
 | Hi guys I need a help here, I’m trying to use Ajax to update the column of the table in the database with combobox without a submit button, by the way it update the column finely but unfortunately the column data is erased to **0** when a webpage is refreshed. …  |
 | Hi, I have one function (in a library I can't change the code) which takes a key and returns a Object. This code is written in java. I am calling this function from cpp code. I am accepting the result as jobject. 1. Added key as "key1" & value as … |
 | HI all, I'm stuck in a code where i cannot read the database value in jsp textarea. Value stored in database like "address 1 address 2" and cannot be loaded on jsp page. Plz help. |
| | I really want to learn Java but I have no idea how to study it. I just keep reading the books yet have no idea how to program. :(  |
| | The problem that im facing is, the below code is working correctly and retrieve the pdf format files correctly and displaying it in the iframe. but it is only working in eclipse internal browser but not in firefox or internet explorer. what will be the reason for this.... Source code: …  |
| | hi, The jsp page has multiple check boxes (retrieved from DB),.... [CODE] <input type="checkbox" name="selecttype" value="<%=rs2.getString("description") %>"/> [/CODE] I've read these values in to servlet page using [CODE] String[] selecttype=request.getParameterValues("selecttype"); [/CODE] the 'selecttype' now contains only selected checkbox values. but i want to retrieve values of unchecked checkboxes. Pls help …  |
 | Hey new to JDBC SQL DERBY and Java so I don't know why but my Jtable only shows the columns. Here are my codes for my LeaderboardDAO class. public class LeaderboardDAO extends Dao { private static final Logger LOG = LogManager.getLogger(PlayerDAO.class); public static final String TABLE_NAME = "leaderboard"; private static … |
 | Hello everyone, I am trying to show an animated spinwheel image when I am making a servlet call, and hiding it, once the call comes back in my JS method. The following code displays the image alright, but fails to hide it, once the call comes back. JSP <div id="spin" …  |
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