How to set myeclipse format key format character length per line

MyEclipse formatting code adjustment per line length default per line is 80~ for beginners, non-agile coders ~ a little short
So that ctrl+shift+f formatting code always split a line into two lines or more a little bit uncomfortable so change him by personal preference
This is the way myeclipse is changed.
Window→preferences→java→code Style→formatter
Right
You can either edit directly or new and suggest yourself new.
On the Line Wrapping tab, the value of the maximum line width on the left is 80, which is the correct value.

How to set myeclipse format key format character length per line