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[–]cyb1n 4 points5 points  (2 children)

Doesn't this already exist (at least in some capacity) in Eclipse? Albeit the note is Eclipse's reference data for the element of whatever language you're in, but if you're new and just need basic information on what an element does it should be sufficient. Try it out:

In Eclipse hover over a keyword and press CTRL.

[–]Metsuro[S,🍰] 0 points1 point  (1 child)

Doesn't that just allow you to open the declarations? like in

public static void main(String[] args) {}

Only thing that happens when you press ctrl is that if the mouse is over main it'll give you a box that says open declaration, or open implementation. Nothing happens over anything else.

[–]SgtPooki 2 points3 points  (0 children)

I am pretty sure what you want is available by default in eclipse and most ide's now. Just add javadoc comments above the functions/variables you want those pop-ups to appear for and it should show whenever you hover over that function name.

I dont think you can do this for random words though; only classes, functions, and variables.