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I have two JTrees that I want to display the same content on them.
I set a ScrollPane to each one and wrote this code:

sourceScroll.setViewportView(sourceBuildTree);
targetScroll.setViewportView(sourceBuildTree); //I want to set the same tree.

sourceScroll is the scroll pane of the first JTree, and targetScroll is the scroll pane of the second JTree.

If I remove the second line, I see the JTree on the sourceScroll, which is OK. But when I enter the second line, the JTree only appears on the targetScroll and the sourceScoll is grayed.

Why doesn this happen? How can I solve this problem?

Edited by maroun.maroun
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