Splitting windows

When editing a file, such as a Java source code file or an HTML file, it can sometimes be necessary to view two parts of the file at the same time. How many times have you found yourself having to scroll to the top of a file to check something and then having to scroll to the bottom of the file again to type some code?

In NetBeans, we can split a file horizontally so that we can see the top and bottom of a file or vertically to see the left- and right-hand sides of a file, all at the same time.

So, how do we split views so that we can simultaneously view different aspects of the file?

At the top-right of an editor window that supports file splitting is a small cross (). To split a file vertically, drag this cross left so that the file is split vertically into the correct proportions. To split it horizontally, drag this cross down until the view is split as required.

After splitting the view onto a file, the file can be edited within either pane or the split view. That is to...