Eclipse split screen displays the same file

Scene:

A class is large and may have thousands of rows. When you want to compare the beginning of a class to the middle or back part, follow the following steps:

Window, editor, Toggle split Editor (Ctrl + _) or Toggle split editor (ctrl + {)

Another way: Press the shortcut key directly CTRL + SHIFT + [or CTRL + SHIFT +-

Note:

1. Top and bottom split screen: Ctrl + Shift +-
2. Left and right split screen: Ctrl + Shift + [

Transverse points:

Vertical points:

Eclipse split screen displays the same file