336839 Five IO Java methods needed

We NEED five methods to: - read in one specific line from some info files and store them in a set, - read in the contents of a text file and provide it as a string, - read in all folder names can be found on a path and store them in a set, - read in all image file names can be found on a path and store them in a set, - copy all image files from one path to an other one. Please read the attached task summary and commented class sample.