如何在java中读取文本文件并将一些记录放在另一个文本文件中，其余文件放在java中的另一个文本文件中

I want to read a file, that has 2 different department in it, split the lines and put the lines having information technology in a new text file, and those that have bussiness department in another text file. help please. here is what I did to read the file:I want to read a file, that has 2 different dep