Java DayOfWeek
Introduction DayOfWeek in Java, part of the java.time package, is an enum that represents the days of the week. It provides various methods to manipulate and retrieve information about weekdays.
Java DateTimeException
Introduction DateTimeException in Java is an unchecked exception that is part of the java.time package. It indicates errors related to date and time operations, such as invalid date-time values or unsupported operations.
Java Clock
Introduction The Clock class in Java, part of the java.time package, provides a way to access the current time and date using a time zone. It is used in applications requiring precise time measurements and is especially useful in testing scenarios where you need to control or mock time.
Java StreamSupport
Introduction StreamSupport is a utility class in Java’s java.util.stream package that provides methods for creating streams from spliterators. It allows for more customized stream creation, especially useful when working with custom data structures.
Java Stream
Introduction In Java, Stream is a sequence of elements supporting sequential and parallel aggregate operations. It is part of the java.util.stream package and provides a powerful way to process collections of data in a functional style.
Java IntStream
Introduction In Java, IntStream is a sequence of primitive int elements supporting sequential and parallel aggregate operations. It is part of the java.util.stream package and provides a convenient way to work with sequences of int values.
Java DoubleStream
Introduction In Java, DoubleStream is a sequence of primitive double elements supporting sequential and parallel aggregate operations. It is part of the java.util.stream package and provides a convenient way to work with sequences of double values.
Java Collectors
Introduction In Java, Collectors is a utility class in the java.util.stream package that provides various methods for collecting stream elements into different types of results, such as lists, sets, or maps. It is commonly used in conjunction with the Stream API to process and collect data efficiently.
Java UnaryOperator
Introduction In Java, the UnaryOperator interface is a functional interface that represents an operation on a single operand that produces a result of the same type. It is part of the java.util.function package and is commonly used for operations that transform or modify an object of a certain type.
Java ToLongFunction
Introduction In Java, the ToLongFunction interface is a functional interface that represents a function that accepts one argument and produces a long result. It is part of the java.util.function package and is commonly used for operations that involve converting or processing an input value to a long.
Java ToLongBiFunction
Introduction In Java, the ToLongBiFunction interface is a functional interface that represents a function that accepts two arguments and produces a long result. It is part of the java.util.function package and is commonly used for operations that involve two input values and return a long.
Java ToIntFunction
Introduction In Java, the ToIntFunction interface is a functional interface that represents a function that accepts one argument and produces an int result. It is part of the java.util.function package and is commonly used for operations that involve converting or processing an input value to an int.
Java ToIntBiFunction
Introduction In Java, the ToIntBiFunction interface is a functional interface that represents a function that accepts two arguments and produces an int result. It is part of the java.util.function package and is commonly used for operations that involve two input values and return an int.
Java ToDoubleFunction
Introduction In Java, the ToDoubleFunction interface is a functional interface that represents a function that accepts one argument and produces a double result. It is part of the java.util.function package and is commonly used for operations that involve converting or processing an input value to a double.
Java ToDoubleBiFunction
Introduction In Java, the ToDoubleBiFunction interface is a functional interface that represents a function that accepts two arguments and produces a double result. It is part of the java.util.function package and is commonly used for operations that involve two input values and return a double.
Java Supplier
Introduction In Java, the Supplier interface is a functional interface that represents a supplier of results. It is part of the java.util.function package and is commonly used to generate or supply values without taking any input.
Java Predicate
Introduction In Java, the Predicate interface is a functional interface that represents a predicate (boolean-valued function) of one argument. It is part of the java.util.function package and is commonly used for evaluating conditions and filtering data.
Java ObjLongConsumer
Introduction In Java, the ObjLongConsumer interface is a functional interface that represents an operation that accepts an object and a long-valued argument and returns no result. It is part of the java.util.function package and is commonly used for operations that involve both an object and a long value, such as modifying an object’s state.
Java ObjIntConsumer
Introduction In Java, the ObjIntConsumer interface is a functional interface that represents an operation that accepts an object and an int-valued argument and returns no result. It is part of the java.util.function package and is commonly used for operations that involve both an object and an int value, such as modifying an object’s state.
Java ObjDoubleConsumer
Introduction In Java, the ObjDoubleConsumer interface is a functional interface that represents an operation that accepts an object and a double-valued argument and returns no result. It is part of the java.util.function package and is commonly used for operations that involve both an object and a double value, such as modifying an object’s state.
Java LongUnaryOperator
Introduction In Java, the LongUnaryOperator interface is a functional interface that represents an operation on a single long-valued operand, producing a long result. It is part of the java.util.function package and is commonly used for operations that transform long values.
Java LongToIntFunction
Introduction In Java, the LongToIntFunction interface is a functional interface that represents a function that accepts a long-valued argument and produces an int result. It is part of the java.util.function package and is commonly used for operations that convert or process long values into int values.
Java LongToDoubleFunction
Introduction In Java, the LongToDoubleFunction interface is a functional interface that represents a function that accepts a long-valued argument and produces a double result. It is part of the java.util.function package and is commonly used for operations that convert or process long values into double values.
Java LongPredicate
Introduction In Java, the LongPredicate interface is a functional interface that represents a predicate (boolean-valued function) with a single long-valued argument. It is part of the java.util.function package and is used for testing conditions involving long values.
Java LongFunction
Introduction In Java, the LongFunction interface is a functional interface that represents a function that accepts a long-valued argument and produces a result. It is part of the java.util.function package and is commonly used for operations that transform or process long values into other types.