java.util.function

Interfaces

BiConsumer

Represents an operation that accepts two input arguments and returns no result.

BiFunction

Represents a function that accepts two arguments and produces a result.

BinaryOperator

Represents an operation upon two operands of the same type, producing a result of the same type as the operands.

BiPredicate

Represents a predicate (boolean-valued function) of two arguments.

BooleanSupplier

Represents a supplier of boolean-valued results.

Consumer

Represents an operation that accepts a single input argument and returns no result.

DoubleBinaryOperator

Represents an operation upon two double-valued operands and producing a double-valued result.

DoubleConsumer

Represents an operation that accepts a single double-valued argument and returns no result.

DoubleFunction

Represents a function that accepts a double-valued argument and produces a result.

DoublePredicate

Represents a predicate (boolean-valued function) of one double-valued argument.

DoubleSupplier

Represents a supplier of double-valued results.

DoubleToIntFunction

Represents a function that accepts a double-valued argument and produces an int-valued result.

DoubleToLongFunction

Represents a function that accepts a double-valued argument and produces a long-valued result.

DoubleUnaryOperator

Represents an operation on a single double-valued operand that produces a double-valued result.

Function

Represents a function that accepts one argument and produces a result.

IntBinaryOperator

Represents an operation upon two int-valued operands and producing an int-valued result.

IntConsumer

Represents an operation that accepts a single int-valued argument and returns no result.

IntFunction

Represents a function that accepts an int-valued argument and produces a result.

IntPredicate

Represents a predicate (boolean-valued function) of one int-valued argument.

IntSupplier

Represents a supplier of int-valued results.

IntToDoubleFunction

Represents a function that accepts an int-valued argument and produces a double-valued result.

IntToLongFunction

Represents a function that accepts an int-valued argument and produces a long-valued result.

IntUnaryOperator

Represents an operation on a single int-valued operand that produces an int-valued result.

LongBinaryOperator

Represents an operation upon two long-valued operands and producing a long-valued result.

LongConsumer

Represents an operation that accepts a single long-valued argument and returns no result.

LongFunction

Represents a function that accepts a long-valued argument and produces a result.

LongPredicate

Represents a predicate (boolean-valued function) of one long-valued argument.

LongSupplier

Represents a supplier of long-valued results.

LongToDoubleFunction

Represents a function that accepts a long-valued argument and produces a double-valued result.

LongToIntFunction

Represents a function that accepts a long-valued argument and produces an int-valued result.

LongUnaryOperator

Represents an operation on a single long-valued operand that produces a long-valued result.

ObjDoubleConsumer

Represents an operation that accepts an object-valued and a double-valued argument, and returns no result.

ObjIntConsumer

Represents an operation that accepts an object-valued and a int-valued argument, and returns no result.

ObjLongConsumer

Represents an operation that accepts an object-valued and a long-valued argument, and returns no result.

Predicate

Represents a predicate (boolean-valued function) of one argument.

Supplier

Represents a supplier of results.

ToDoubleBiFunction

Represents a function that accepts two arguments and produces a double-valued result.

ToDoubleFunction

Represents a function that produces a double-valued result.

ToIntBiFunction

Represents a function that accepts two arguments and produces an int-valued result.

ToIntFunction

Represents a function that produces an int-valued result.

ToLongBiFunction

Represents a function that accepts two arguments and produces a long-valued result.

ToLongFunction

Represents a function that produces a long-valued result.

UnaryOperator

Represents an operation on a single operand that produces a result of the same type as its operand.