How do you split and unsplit a window/view in Eclipse IDE?

Question

How do you split a window/view in Eclipse IDE? I want to edit code while viewing the different code in the same file.

If there is a trick to open the same file twice

Answer 1

You might want to check an eclipse plugin called HandySplit

It allows to split an editor into two and move tabs from one editors stack to another with keyboard shortcuts only.

That works on Eclipse Juno or higher. For the previous Eclipse versions check this out