January 2019
Intermediate to advanced
392 pages
10h 11m
English
Content preview from Learn Spring for Android Application Development
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The map operator
The map operator takes a lambda that applies a transformation for each value from the upstream. The map function can be used to change the values of the primitive values, or to transform an instance from one type to another.
The following diagram shows how this works:
The map function takes another function that describes how an element from the upstream should be transformed.
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