如何从另一个类中读取数组的数组？ [在加载文件中]

I want to create a game and I need to read file from the notepad when I use my loadfile.java alone, it work very well. Then, I would like to copy my data into datafile.java as it will be easier for me to do the fighting scene. However, I can't copy the array in my loadfile.java to the datafile.java and I don't understand why.I want to create a game and I need to read file