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Editorial Team
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Asked: 2026-06-01T19:13:12+00:00

I have a left Panel with multiples Jlabels which i use them as buttons

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I have a left Panel with multiples Jlabels which i use them as buttons to change a Main Panel’s content which is layouted with a CardLayout.

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I cant work perfectly with these events:

mouseEntered : to make highlight effect to the jlabel 
mouseExited  : to take off the highlight effect.
mouseClicked : to change the content of the main Panel and start some threads

The problem here that can’t found an event or a method tell me that another Jlabel has been clicked so i can stop my threads started in the mouseClicked event,

OR

an event or method tell me that a JPanel in the CardLayout has been displayed or hidden.

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1 Answer

  1. Editorial Team

    Your problem is not finding an appropriate event. I think you are doing this using a visual GUI builder and expect to solve everything out-of-the-box. It’s not going to work that way, you will need to write some real code. For example, write a method that you will call from the mouse click listener of each of the three JLabels. Thus you will have arranged for this method to be called for each JLabel click. Then in the method do the appropriate handling. This is just a rough outline, you haven’t provided much detail to give any further advice.

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