35,618 Topics
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 | In the past couple of days, I've been practicing with JavaFX and I made myself an app, which I am planning to use in the future. It is supposed to keep track of web pages and the passwords I use for them, usernames as well of course. The program itself … |
| | Please before you answer NOTE , I am not trying to implement a keylogger, this is just a QUESTION. So, It just randomly happened that I started thinking about this and I figured that in java if you want to have a keyEventListener the key should be entered in a … |
| | I want to split sentence that has + I code this: String[]s; String a; s=a.split("+"); but it throw this exeption: Exception in thread "main" java.util.regex.PatternSyntaxException: Dangling meta character '+' near index 0 what should I do?? thanks |
| | Hello Everyone, Can we see the code execution step by step on an editor.  |
 | I am looking to do exactly what the title states. I have a radio field that i would like to persist across a page refresh. The following is my code: <div id="RadioFields"> <input type="radio" name="country" value="usa" id="usa" />USA <input type="radio" name="country" value="foreign" id="foreign" />Foreign Country <div id="countryerror"> <div class="asterisk" runat="server"> … |
 | I'm having trouble getting the Cards off the table in this card game I'm working on. The cards are JLabels that hold images of the cards. These JLabels are created dynamically into a JLayeredPane. I have created some variables to hold the info I believe I need in order to … |
| | I have an issue with accessing a table in my database after using the truncate command on it. Having to delete the whole database and recreate it not every time but often. The table is used to hold the index of a card and the card's value. This is the … |
| | Program is to find the most frequently used words across all the input files, where each word must appear at least once in each file. How can this be achieved? I am new to java and yet to dig things deep. So trying through such programs.  |
| | hi i am trying to automate one form in selenium using java code. the same codee working fine in firefox but getting error in IE. Started InternetExplorerDriver server (32-bit) 2.42.0.0 Listening on port 10840 Exception in thread "main" org.openqa.selenium.NoSuchElementException: Unable to find element with name == ImpersonateUserId (WARNING: The server … |
| | All, Looking for newbie help. I searhed the internet looking for examples to follow. What I want to do is write code to read a multipage pdf and convert to jpg (each page) and display on screen. I find way too much stuff that is either complicated or it is …  |
| | I have a Jframe that contains a JPanel which has a label that I use as a background image and a second JPanel that I want to add my controls into. I am attempting to add and position labels dynamically. I can add the labels but they all appear at … |
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| | Hi, Need help on exporting data to csv from oracle database when i export ... the field which has null values (in database) appear as 'null' word in the csv output. Is there a way to avoid it? thanks  |
| | Hi all I wish to start learning Spring 3 mvc how do I get it started with either Gradle/maven in Spring Tool Suite (STS). What is the easiest way to learn Spring 3 mvc. I know that there are many tutorials out there, but I could not find the right …  |
| | Hello everyone, Can you help me with the following problem. I am working on Eclipse IDE. I created new Dynamic Web Project and when I tried to create a Servlet class though every required package is imported it gives a compiler error. The following is a sample code. import java.io.*; … |
| | Now am working with java application . I have to connect server and client through No-Ip Duc host.Is it possible or not??? Server side code: ServerSocket ss=new ServerSocket(5223); System.out.println("Waiting for client"); Socket soc=ss.accept(); System.out.println("Connected"); client side code: Socket soc=new Socket("rmcsnoiptest.ddns.net", 5223); This is what i tried. |
| | I am using PrintWriter to write the input from the standard input to a file, here I am trying to create an ascii table in the text file, but there is no proper alignment of the table in the text file. Here is my code guys. package code.practise.MyIdeas; import java.io.FileNotFoundException; … |
| | Not sure how to explain what is going on but after some time scene builder just won't display the fxml file that I am trying to modify further. It happened a couple of times so far and its really annoying because nothing can be changed. Yes, I do see scene … |
| | Hi, I need some help please i could not show the balls,when my pacman is moving,i want my pacman will through balls when it's moving.but i could not show his balls,can you please help me what is wrong or missing in my code. I appreciate someone can help me import … |
| | Hi all Here is my snippet for(int i = 1;;i++){ System.out.println("Please enter the name:"); name = input.nextLine(); System.out.println("Please enter the email:"); email = input.nextLine(); if(!email.matches(EMAIL_PATTERN)){ System.out.println("Please enter a valid email.\nThe details are not saved please start from the beginning."); i--; // break; continue; } else { printwriter.println("|"+i+")\t|"+name+"\t|"+email+"\t|"); printwriter.println("+-----\t+-----\t+-----\t+"); } if(i>=1){ … |
| | import javax.swing.JFrame; import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.FlowLayout; import javax.swing.JPanel; import javax.swing.JLabel; import javax.swing.JButton; import javax.swing.JTextField; import javax.swing.JTextArea; import java.awt.event.*; import java.awt.Color; import java.awt.Font; import javax.swing.border.Border; import javax.swing.border.TitledBorder; import javax.swing.JToolTip; import javax.swing.JTextArea; / public class Swing extends JFrame implements ActionListener import javax.swing.JFrame; import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.FlowLayout; import javax.swing.JPanel; … |
| | I am following [this](http://code.makery.ch/java/javafx-2-tutorial-part1/) tutorial to get into JavaFX using scene builder and so far I really like it as the person who made it explains things in deep detail. I finished the first part and tried executing the code so far, but it returns multiple errors. Here is more … |
| | Hi I am getting a **HTTP Status 500 - An exception occurred processing JSP page /registration.jsp at line 15** error. The page is a registration jsp page that submits the following parametres into the database. However there are no hints in Eclipse as to what caused the error. Can someone … |
| | Hi Team, I am beginner in Java. I am trying to prepare report using Java,the code will generate a Microsoft Word Document and add some text and images in it. I am using Apache POI for this.I am able to create and add text in the doc file and the … |
| | I have just started looking into vim, and It seems very cool indeed ! However, I am not sure whether I should use it for everything or if I should use an ide with a vim plugin. I am interested in learning libgdx/android and google glass stuff. So which would … |
 | I'm new in java, so I'm not very good at it yet and my teacher has stumped me. We are supposed to make a bot for a game called snacktime, which is usually user controlled. # About Snacktime: # * There are a maximum of 16 snacks layed out randomly … |
| | import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.*; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class PanelCenter implements KeyListener,MouseListener import java.awt.BorderLayout; import java.awt.Color; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.*; import javax.swing.JButton; import … |
| | import java.util.*; import java.io.*; public class stundentGrade { public static void main(String args [])throws IOException{ BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in)); int a=0, b=0,c=0,d=0,f=0, totalNumber=0; //declaration of initialization stars(); //method to call and print stars System.out.println("Enter a list of Exam scores from 0-100" ); System.out.println("use a negative number if you'r … |
 | Hi Dw I'm trying to create a server that will handle simultaneous connections from clients and for simplicity I've decided to save data to the text files, it not one text file but there are many text files which will be located on the server. The clients (written in VB5.0) … |
| | Hi there, I'm in the process of creating a utility program that builds a table in a database and inserts the initial data. I'm getting an error stating: java.sql.SQLException: No suitable Driver found for jdbc.odbc.ContactKeeperDB My Code: [CODE] import java.sql.*; import java.io.*; public class MakeDB { public static void main(String … |
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