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Pattern Matching for Java This document has moved to the Project Amber website.

September 2013 Java SE 8 Edition This is an informal overview of the enhancements to the Java programming language specified by JSR 335 and implemented in the OpenJDK Lambda Project. It refines the previous iteration posted in December 2011. A formal description of some of the language changes may be found in the Early Draft Specification for the JSR; an OpenJDK Developer Preview is also available

Version 2 THIS DOCUMENT HAS BEEN SUPERSEDED BY VERSION 3 AND IS PROVIDED FOR HISTORICAL CONTEXT ONLY Brian Goetz, 6 July 2010 This is an updated proposal to add lambda expressions (informally, "closures") to the Java programming language. This sketch is built on the straw-man proposal made by Mark Reinhold in December 2009. 1. Background; SAM classes The Java programming language already has a for