Git认为我每次做一个小改动都会重写我的一个文件

I have a medium size Java file. Everytime I make a change to one of my files, BuildTable.java, Git reports it as a massive change, even if is only a line or two. BuildTable.java is about 200 lines and the change in this commit only changed a single line.I have a medium size Java file. Everytime I mak