May 2014
Intermediate to advanced
792 pages
20h 31m
English
book
The Java® Language Specification, Java SE 8 Edition
by James Gosling, Bill Joy, Guy L. Steele Jr., Gilad Bracha, Alex Buckley
Content preview from The Java® Language Specification, Java SE 8 Edition
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15.13 Method Reference Expressions
A method reference expression is used to refer to the invocation of a method without actually performing the invocation. Certain forms of method reference expression also allow class instance creation (§15.9) or array creation (§15.10) to be treated as if it were a method invocation.
MethodReference: ExpressionName :: [TypeArguments] Identifier ReferenceType :: [TypeArguments] Identifier Primary :: [TypeArguments] Identifier super :: [TypeArguments] Identifier TypeName . super :: [TypeArguments] Identifier ClassType :: [TypeArguments] new ArrayType :: new
If TypeArguments is present to the right of ::, then it is a compile-time error if any of the type arguments are wildcards (§4.5.1).
If a method ...
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