This compact book introduces the concepts of Java lambdas and parallel streams in a concise form. It begins by introducing new supporting features such as functional interfaces, default methods and more. After this, the author demonstrates how streams can be parallelized in a very simple way—within certain limits, no knowledge about the thread management is needed. Nevertheless, some basic elements in the context of parallelism need to be considered. Here, the book provides a variety of information and best practices. What You Will Learn Master lambdas and streams Work with the default method Harness streams and the stream() function Use Stream and Spliterator Take advantage of parallel streams Work with collectors and concurrency Who This Book Is For Experienced Java programmers and developers. div>.