参考《Java8实战》改写的,示例中有详细注释,示例持续更新中。

主要内容如下:

• Chapter 1: Java 8: why should you care?
• Chapter 2: Passing code with behavior parameterization
• Chapter 3: Lambda expressions
• Chapter 4: Working with Streams
• Chapter 5: Processing data with streams
• Chapter 6: Collecting data with streams
• Chapter 7: Parallel data processing and performance
• Chapter 8: Refactoring, testing, debugging
• Chapter 9: Default methods
• Chapter 10: Using Optional as a better alternative to null
• Chapter 11: CompletableFuture: composable asynchronous programming
• Chapter 12: New Date and Time API
• Chapter 13: Thinking functionally
• Chapter 14: Functional programming techniques
• Chapter 15: Blending OOP and FP: comparing Java 8 and Scala
• Chapter 16: Conclusions and "where next" for Java
• Appendix A: Miscellaneous language updates
• Appendix B: Miscellaneous library updates
• Appendix C: Performing multiple operations in parallel on a Stream
• Appendix D: Lambdas and JVM bytecode

$ java -version

openjdk version "1.8.0_25" OpenJDK Runtime Environment (build 1.8.0_25-b18) OpenJDK 64-Bit Server VM (build 25.25-b02, mixed mode)

$ mvn compile

$ cd target/classes

$ java lambdasinaction/chap1/FilteringApples

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