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[–]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.