commit https://github.com/vim/vim/commit/2a67ed83a885e8e65e25498660dae4f34d532c7b Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 10 21:52:42 2016 +0200 patch 7.4.1915 Problem: The effect of the PopupMenu autocommand isn't directly visible. Solution: Call gui_update_menus() before displaying the popup menu. (Shane Harper, closs https://github.com/vim/vim/issues/855)

" Vim compiler file
" Compiler:	javac
" Maintainer:	Doug Kearns <dougkearns@gmail.com>
" Last Change:	2004 Nov 27

if exists("current_compiler")
  finish
endif
let current_compiler = "javac"

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=javac

CompilerSet errorformat=%E%f:%l:\ %m,%-Z%p^,%-C%.%#,%-G%.%#