CORE API / CATATAN</>↗Core API08 Mar 2025
The DoubleToLongFunction interface in Java, part of the java.util.function package, represents a functional interface with a method that accepts a double-valued argument and produces a long-valued result. It is often used when a computation or conversion needs to be performed from a double to a long. Functional Interface The DoubleToLongFunction interface is annotated with @FunctionalInterface, […]
CORE API / CATATAN</>↗Core API07 Mar 2025
The DoubleToIntFunction interface in Java, part of the java.util.function package, represents a function that accepts a single double-valued argument and produces an int-valued result. It can be used when a conversion or computation needs to be performed from a double type to an int. Functional Interface The DoubleToIntFunction interface is annotated with @FunctionalInterface, meaning it […]
CORE API / CATATAN</>↗Core API06 Mar 2025
The DoubleSupplier interface in Java is part of the java.util.function package and is used to represent a supplier of double-valued results. It is a functional interface and is often used when we need to generate or supply double values (for example, random numbers or calculated values) without taking any input. Functional Interface Like other functional […]
CORE API / CATATAN</>↗Core API05 Mar 2025
The DoublePredicate interface in Java, part of the java.util.function package, is a functional interface used to represent a predicate (boolean-valued function) that tests a single double-valued argument. Functional Interface Details The DoublePredicate interface has only one abstract method: boolean test(double value); This method evaluates the predicate on the given double value and returns a boolean […]
CORE API / CATATAN</>↗Core API04 Mar 2025
The DoubleFunction interface in Java is a functional interface in the java.util.function package. It represents a function that takes in a double as an argument and produces a result of some type. Since it is a functional interface, you can use it as a lambda expression or method reference. Method in DoubleFunction The DoubleFunction interface […]
CORE API / CATATAN</>↗Core API03 Mar 2025
The DoubleConsumer interface in Java is part of the java.util.function package and is used to represent an operation that takes a single double-valued argument and does not return a result. It is commonly used in lambda expressions or method references for consuming a double value (often for side effect operations such as logging or accumulating […]