35,618 Topics
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| | hello friends i have a problem with javafx AnchorPane. I have an anchorpane that contains a button i want to set the height and width of anchorpane to zero but it no apply. how to do this .... actually i am working on a sliding panel  |
| | /** * Help me to solve this one * * The input for input dialog should appear at right textfield * * ex. your firstname? >>> john * john should appear at the textfield label firstname */ import java.applet.*; import java.awt.*; import java.awt.event.*; import javax.swing.JOptionPane; public class Info extends Applet …  |
 | Hi there, I want to implement undo logic which deletes the last drawn shape. To test this logic i had cleared shapes list and redrawn all shapes but still **last** shape does not delete. public void drawAllShapes(Graphics2D g) { //draw all triangles for (DrawTriangle t : newTriangles) { t.drawTriangle(g); } … |
| | Hello eveyone, Please tell me why triangle shape is redrawing on mouse move. It want triangle shape draw only once until mouse release. Here is my code below. Thank you ! public class Triangle extends JFrame { Point startDrag, endDrag, midPoint; private java.util.List<Polygon> triangles = new LinkedList<Polygon>(); Polygon triangle; public … |
| | Hi there, I want to draw a triangle using mouse events like mousePressed(), mouseReleased() and mouseDragged(). But triangle did not show until mouse release. Please tell me what i am doing wrong that triangle is not showing in mouseDrag event. And one thing more, triangle is drawing upside down. Please … |
 | import java.util.*; public class MainClass { /** * @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here Products p1 = new Products(100,"Genius Keyboard",450.50,10); Products p2 = new Products(200,"Genius Mouse",480.00,10); Products p3 = new Products(300,"Monitor",5000.00,50); ArrayList<Products> list = new ArrayList<Products>(); list.add(p1); … |
 | I am trying to create an HTML form which displays text from a text file, using a Java Servlet. I keep getting the following error: Error instantiating servlet class servlets.ReportServlet. Here is the HTML page: <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <form …  |
| | I am trying to create an HTML form which displays text from a text file, using a Java Servlet. I keep getting the following error: Error instantiating servlet class servlets.ReportServlet. Here is the HTML page: <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <form …  |
 | Hey guys, I am having trouble with keypress event for a button that I have. This button is programmed to do logoff operation. Now what i want is the solution or sample program in which if user is scanning the barcode of logoff then logoff event should occur.Please suggest solution … |
 | How to Send Email automatically without opening gmail compose box using Javascript |
| | hi So i made a simple game app, and am implementing music now i have easy and hard mode, and game over, as well as home screen homesecreen now plays music1, loops fine and all...then once player selects to play i want to stop the current music1, and start music … |
 | Hello! I am developing a POS System. I have need to print Sales receipt. I have no physical printer to test my printing but i have print on xps document. I am facing a problem with indentation of my data on Sales receipt. Following is the code which i wrote … |
 | In my Food Tab, I wanted to achieve this [Click Here](https://sfault-image.b0.upaiyun.com/358/064/3580648794-597611aa1f701) But I only able to get this [Click Here](https://sfault-image.b0.upaiyun.com/779/111/779111227-5976120f6955a) How can I increase the width of the JTextField which are in Food Tab ? Below is my code public class FoodOrdering { static private JFrame frame; static private JTextField … |
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| | I want to crop an image manually using the mouse. Suppose the image has some text, and I want to select some text from an image, then for that purpose I want to crop that area by using the mouse.  |
| | Hi all few free tutorial sites for beginners are given below. C PROGRAMMING http://learnermode.com/c-tutorial/ C++ pROGRAMMING http://cplusplus.com Java https://docs.oracle.com/javase/tutorial/ C# https://msdn.microsoft.com/en-us/library/aa288436(v=vs.71).aspx Python https://www.tutorialspoint.com/python/ Java Applets http://learnermode.com/java-tutorial/applets/  |
 | If a table contains field's like name,age tuition fee,bus fee,year, 1,2 When I tried to update 1 year details it is updating but when I try to update the entire fields it's not updating in form of jsp page |
| | Can anyone help me out to create multiple check boxes for attendance purpose |
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| | Can anyone guide me to find a way to convert swing application to Android app. If we just create the gui using xml is it enough to take the working code from the previous swing application to run on Android |
 | Hi Guys Im A Noob, so i need your kind perception on my code Im running A Table Anytime i do it i get this message Exception in thread "AWT-EventQueue-0" java.lang.UnsupportedOperationException: Not supported yet. And this is My Table Code: private void tablaLISTADOMouseClicked(java.awt.event.MouseEvent evt) { // TODO add your handling … |
| | [CODE] import java.awt.*; import javax.swing.*; import java.awt.event.*; class log extends JFrame { JButton b1=new JButton("ok"); JPanel panel=new JPanel(new GridLayout(2,2)); public log() { panel.add(b1); add(panel,BorderLayout.CENTER); b1.addActionListener(new ActionListener(){ public void actionperformed(ActionEvent ae){ JPanel pan=new JPanel(); JFrame frame1 = new JFrame(); JButton b2=new JButton("ok"); pan.add(b2); frame1.setVisible(true); frame1.add(pan); frame1.setSize(250,100); b2.addActionListener(new ActionListener(){ public void actionperformed(ActionEvent …  |
| | As I am doing a application on attendance management where I need to store the details by using check boxes I am unable to store the details of check boxes where it will be generated as present or absent in database Can anyone help me to find out this |
| | How to convert a swing based application to Android application |
 | Hello. I'm doing a lab assignment and I have several subclasses extending the base class. I'm not sure how to "override" the methods and implementations in the supers, because every time my driver class calls a method on my subclass, the superclass method gets called. Heck even within the subclass … |
| | I wonder how to handle exception in `ResponsesEntity`. When it receive wrong url, it supposes to go to the `catch` block and display the `log`. But I keep getting error message in console. The `try-catch` not working as it not display log message. @GetMapping("abc/{Id}") public ResponseEntity info(@PathVariable("Id") String id) { … |
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 | Greetings, Can anyone tell me why my loop does not actually add anything for interest? I'm thinking it is because of the way my interestRate variable is setup as a class variable (static). Here is the code snippets /**************************************************************************************** HNUnit4Ch13Investor.java xx All variables should be declared private Declare a class … |
| | Hello, First off, i did try looking around the forum but i couldn't understand. Here's a few question which i need help with: 1) (adding node at head) i don't know how does the head will hold the reference to the next node, the code is like this: [CODE] //at … |
 | In this assignment you are to write a program that finds a path through a “maze”. The maze will be represented by a 2-dimensional array of ints. You will be given a starting point in the array that consists of a pair of ints <x,y>. In this pair, x represents … |
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