java.util.function (Java Platform SE 8 )

BiConsumer<T,U>

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

BiFunction<T,U,R>

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

BinaryOperator<T>

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

BiPredicate<T,U>

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

BooleanSupplier

Represents a supplier of boolean-valued results.

Consumer<T>

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<R>

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<T,R>

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<R>

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<R>

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<T>

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

ObjIntConsumer<T>

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

ObjLongConsumer<T>

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

Predicate<T>

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

Supplier<T>

Represents a supplier of results.

ToDoubleBiFunction<T,U>

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

ToDoubleFunction<T>

Represents a function that produces a double-valued result.

ToIntBiFunction<T,U>

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

ToIntFunction<T>

Represents a function that produces an int-valued result.

ToLongBiFunction<T,U>

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

ToLongFunction<T>

Represents a function that produces a long-valued result.

UnaryOperator<T>

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