Updating a jpanel
The rest of this section gives hints on grouping and laying out components.For information about using borders, see How to Use Borders.I have a new Desktop Application named Desktop Application1 (this is my main program) and a JFrame named New JFrame that I created by right click What David says is correct, but it still won't fix the problem. I have an actionlistener on each j Button so that when pressed it updates the jlabel on its (same) panel. Hi, I have an array of JPanels, each Jpanel is created in a separate class which extends JPanel, and then added to the main j Panel: j Panel Array[i] = new create JPanel(); j Panel Main.add(j Panel Array[i]); In create JPanel() a j Label and j Buttons are added with an actionlistener on the button.You should never call sleep(), or perform any other time-consuming operation, in an event handler. My question is, how do I access and update the j Label component on each j Panel in the ..problem could be anything - you would need to post a working sample program that demonstrates the problem, so we can see exactly how you have it put together. Simple Date Format; import javax.swing.*; import javax.swing.table.This section shows example GUIs that use these layout managers, and tells you where to find the how-to page for each layout manager.
Is this the right way to do it, or is there some more efficient methord? Most of the time, you want to override the paint Component method to control painting, and you add mouse or key listeners to handle input.
Hello, Is there a way to update a JLabel continually until the predefined minutes runs down to zero? I have got as far as generating two random numbers (ie two dice) and giving the user the option of selecting which amount they want to move by. My program has a class called Gui which extends JFrame. Create the button to roll the dice JButton roll Button = new JButton("New Roll"); roll Font(new Font("Sansserif", Font. Hello hi...i have a problem and i hope someone in this forums will help me to solve my problem...before i explain in more detail about my problem i will give some briefing about my project and how i suddenly face the problem....i have created a simple mp3 to wav converter, and during my program convert a file, it should show to ...
Hi, I have one form from which I am dynamically creating arrays of j Panels, j Buttons & JLabels (number of which unknown until runtime).
The layout is defined for each dimension independently.
Consequently, however, each component needs to be defined twice in the layout.