CHAPTER 30
The Stream API
Over the years, Java has been engaged in a process of ongoing evolution, with each release adding features that expand the richness and power of the language. Two such features of special importance are lambda expressions and the stream API. Lambda expressions were described in Chapter 15. The stream API is described here. As you will see, the stream API is designed with lambda expressions in mind. Moreover, the stream API provides some of the most significant demonstrations of the power that lambdas bring to Java.
Although its design compatibility with lambda expressions is impressive, the key aspect of the stream API is its ability to perform very sophisticated operations that search, filter, map, or otherwise manipulate ...
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