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How to clear/ reset a JFrame

Me and my friend have decided to work on a card game which cycles between 3 screens (Player1HandScreen, Player2HandScreen and FightScreen).

Once Player1 has chosen their card from Player1HandScreen, Player1HandScreen leads to Player2HandScreen where Player2 does the same. then Player2HandScreen leads to FightScreen where开发者_JAVA百科 the two cards are compared and one player is declared the winner of that round.

The problem we are having is that once the round ends we want to clear Player1HandScreen as well as the Player2HandScreen once refreshing our parameters we are having trouble updating the GUI successfully.

We have have tried to use removeAll(), but we can't get it to repaint() or validate().

We have also looked into super.paintComponents(g) and updateUI() but both have left us with crushed hopes and dreams.


if you remove any JComponent(s) from Container (only once on the end), is needed tell to Container for,

removeAll()//or remove(JComponent)
revalidate();
repaint();


Try to clear you Jpanel using:

paper.clearRect(0, 0, (int)panel.getSize().getWidth(), (int)panel.getSize().getHeight

where paper is something like: Graphics paper = panel.getGraphics();

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