actually i am new to Java,
and i would like to write a program that to find who is a copycat,
for example, i get six txt file, all of these are juz put inside a folder,
i guess i should get all the txt file to array,
but i can only read these one by one,
how can i get the txt files like get all txt in the folder?
and also how to compare the different between the txt file?