Here’s a method to setup dual-screen editing in eclipse. First, follow the instructions here to setup multiple editor windows: //addisu.taddese.com/blog/split-windowview-using-eclipse/

Basically, you select Window > New Editor, which will open the currently selected file again. You may have trouble at first, because it will be easier to create a vertical window than a horizontal. Drag this window below your current one, until a horizontal box outline appears. The result is a multi-editor view that looks like the one below:

Dual-horizontal editor windows in eclipse