January 21, 2019

How to implement java.util.function.DoubleToIntFunction in java

java.util.function.DoubleToIntFunction┬áis a Functional Interface.┬áIt has only one method, and that is an abstract method. This abstract method is declared to accept one double value as an input-parameter, and it returns an int value. Both, input and output are primitives. These classes are specialized versions for primitive. As JVM doesn’t need to do boxing and unboxing. […]

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