Island language for “coffee” (4)
I believe the answer is:
java
This clue is a triple definition!
'island' is the first definition.
(Java is an example)
'language' is the second definition.
(major programming language)
'for' is a link.
'coffee' is the third definition.
(synonyms)
(Other definitions for java that I've seen before include "Coffee (slang)" , "Its capital is Jakarta" , "Jakarta's island" , "Coffee - computer programming language" , "Indonesian island noted for its coffee" .)