java - JProgresbar doesn't work with Files.copy -


i writing program creates folder each file in specific folder. after file copied in the, created, folder. works, except jprogressbar want add program. added jtextarea after file copied want change progress bar, , add text jtextarea. while program runs nothing appears when whole task completed of text want in jtextarea shown , progress bar 100%. don't know did wrong.

after examples madprogrammer gave me. figured out how worked. need update progresbar in swingworker , methodes want call, need call them in swingworkermethod.


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