This repository contains all the source code for the examples and quizzes in the book Java 8 in Action: Lambdas, Streams and functional-style programming.
You can purchase the book here: http://manning.com/urma/ or on Amazon
The source code for all examples can be found in the directory src/main/java/lambdasinaction
- 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 We will update the repository as we update the book. Stay tuned!
The latest binary can be found here: http://www.oracle.com/technetwork/java/javase/overview/java8-2100321.html
$ java -version
java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode)
You can download a preview version here: https://jdk8.java.net/
Using maven:
$ mvn compile
$ cd target/classes
$ java lambdasinaction/chap1/FilteringApples
Alternatively you can compile the files manually inside the directory src/main/java
You can also import the project in your favorite IDE: * In IntelliJ use "File->Open" menu and navigate to the folder where the project resides * In Eclipse use "File->Import->Existing Maven Projects" (also modify "Reduntant super interfaces" to report as Warnings instead of Errors * In Netbeans use "File->Open Project" menu