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Jtree and xml

 
Greenhorn
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Hi i have a program where i can read out a xml file and display it into a jtree but now i have to write it away again with the changes or just how its shown
here is my code for the program



this is for reading out and making the tree

this is my frame//gui



can i get anny help how to write it away again to xml file?
 
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