JFile is a null safe utility package for file IO in java. Start by importing it after adding the jar to your project with import jFile.*; to get access to the JFileLoader and JFileSaver classes.
JFileLoader contains 1 static method for loading files. It is load(File file) and returns an Optional of generic type String.
JFileSaver contains 2 static methods for saving files. They are: write(File file, String contents) and saveAs(File file, File toSaveAs).