How to change the color of operators and methods in vim? -

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recently i've been trying create own color scheme vim. i've been writing in-file, referencing vivify hi syntax calls , site rgb color codes. after changing of color scheme, , creating i'm happy with, noticed can't change color of operators (i.e. +, -, =, || etc.) or color of methods (e.g. object.method()), both of these fall under keyword normal. being java programmer, , having used netbeans ide point, it's kind of tough not have differentiation between objects , methods. such hoping know of work-around, or way color such forms of syntax not changeable via pre-reserved keywords.

here's relevant color scheme:

image

create file $home/.vim/after/syntax/java.vim with:

" highlight operators syntax match _operator "[-+&|<>=!\/~.,;:*%&^?()\[\]{}]"  " highlight methods syntax match _paren "?=(" contains=cparen,ccppparen syntax match _memberfunc "\.\s*\w\+\s*(\@=" contains=_operator,_paren  " colors hi _memberfunc guifg=#00ff00 guibg=none gui=none hi _operator guifg=#ff0000 guibg=none gui=none  " resolve conflict comment markers syntax region _comment start="\/\*" end="\*\/" syntax match _comment "\/\/.*$" hi link _comment comment

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