Jtable set cell Font and Color depending on JTree selection

Hello all,
I have the following problem:
A JTree displays certain values. On selection of one value in the JTree I would like to mark certain cells in a JTable. For instance: If value1 is selected in the tree, set bold font in cell1, cell2 and cell3. If value2 is selected in the tree, set bold font in cell35 and cell36.
I have a renderer that sets my default font, color, foreground and background, but how I set now dynamically single cells in the JTable. I would accept a solution where instead of changing the font in a cell to bold, the cells will be selected.
Thank you for any replies,
lexdabear

I'm looking too... If you found the solution to just change the font to a specific cell? please shared...

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