Contents
1.2 The Syntax of Lambda Expressions
1.8 Static Methods in Interfaces
2.1 From Iteration to Stream Operations
2.3 The filter
, map
, and flatMap
Methods
2.4 Extracting Substreams and Combining Streams
2.7.1 Working with Optional Values
2.7.2 Creating Optional Values
2.7.3 Composing Optional Value Functions with flatMap
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