How do I convert a JPanel to another?
How do I convert a JPanel to another?
6 Answers
- don’t to use AbsoluteLayout.
- change validate(); in actionPerformed to contain.validate(); and follows with contain.repaint();
- rename class name (reserved Java word, or methods name) Frame ( java.awt.Frame ) to MyFrame (for example)
- use CardLayout instead of remove and then add a new JPanel on runtime.
How do I change the dynamic content of a JPanel?
Just call the method pack() after setting the ContentPane , ( java 1.7 , maybe older) like this: JFrame frame = new JFrame(); JPanel panel1 = new JPanel(); JPanel panel2 = new JPanel(); …. frame. setContentPane(panel1); frame.
Which method is used to set a frame?
Python Set Methods
Method | Description |
---|---|
add() | Adds an element to the set |
clear() | Removes all the elements from the set |
copy() | Returns a copy of the set |
difference() | Returns a set containing the difference between two or more sets |
How do you dispose of a panel in Java?
In Simple, for JFrame or JInternalFrame we have . dispose(), which will remove the component from view as well as from allocated memory. What is the equivalant method for that in JPanel.
What is the set method?
set() method is used to convert any of the iterable to sequence of iterable elements with distinct elements, commonly called Set. Syntax : set(iterable) Parameters : Any iterable sequence like list, tuple or dictionary. Returns : An empty set if no element is passed.
Which methods can be used with sets in Python?
Other Python Set Methods
Method | Description |
---|---|
add() | Adds an element to the set |
clear() | Removes all elements from the set |
copy() | Returns a copy of the set |
difference() | Returns the difference of two or more sets as a new set |
What is the difference between JFrame and JPanel?
JFrame is a heavyweight container used as the top-level window, whereas JPanel is a lightweight container generally used to organize Graphic user interface components. JPanels are added on top of JFrame, whereas graphical user interface components are added on one or more JPanels.
How to switch jpanels inside a JFrame?
Considet the code below. Adding menu and menu showing in frame, no problem. I want when gameOn () is called to remove the menu and instead start the game. The code below only makes the Frames surface “blank”, no gamepanel added. Any thoughts/suggestions on how to fix it?
Which is the parent class of JFrame in Java?
JFrame: JFrame is available in javax.swing package and is a container whose parent is java.awt.Frame class. JFrame generally servers as a window where important components like buttons, text fields and labels are added.
How to add menu and menu to jpanels?
Adding menu and menu showing in frame, no problem. I want when gameOn () is called to remove the menu and instead start the game. The code below only makes the Frames surface “blank”, no gamepanel added. Any thoughts/suggestions on how to fix it?
What do the parameters mean in jpanel in Java?
I’d make it actually a GridLayout (2, 0, GAP, GAP) where GAP is a constant that allows a gap between JLabels. The first and second parameters mean 2 rows with variable number of columns.