Functional Intefaces Flashcards
1
Q
What is an Functional Interface?
A
It is an inteface that has only one abstract method.
2
Q
What operation does the Consumer interface represent?
A
Represents an operation that accepts a single input argument and returns no result. Object in and nothing outs.
3
Q
What operation does the Predicate interface represent?
A
Represents a predicate (boolean-valued function) of one argument.
4
Q
What operation does the Supplier interface represent?
A
Represents an operation that accepts no argument and returns a result. Nothing in object outs.
5
Q
What operation does the Function interface represent?
A
Represents a function that accepts one argument and produces a result.
6
Q
What operation does the UnaryOperator represent?
A
Represents a function that accepts and returns the same type.
