Flat Map Java 8
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Flat Map Java 8
Here is the complete java program to demonstrate the use of stream.flatmap () method in java8 programming. Each mapped stream is closed after its contents. We know that streams in java is capable of holding different types of data.
Flatmap() converts a stream of collections into a single “flat” stream. Definition & usage of flatmap () method. The classic example for this one is applying touppercase() on every element.
Flat Map Java 8 The flatmap() operation is similar to map().
We can use map() to execute a function on every element of a stream. Streams represent a sequence of objects whereas optionals are classes that represent a value that can be present or absent. Map() function produces one output for one input value, whereas flatmap() function produces an arbitrary no of values. It is an intermediate method and returns a stream as the output value.
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