What's New in JDK 8 Java Programming Language Lambda Expressions lambda解禁 () -> {} Method references provide easy-to-read lambda expressions for methods that already have a name. メソッドを参照渡しできる HashSet::new Default methods enab…

Java SE 7 Features and Enhancements IO and New IO Zip File System Provider Zipをディレクトリみたいに操作できる java.nio.file ファイル操作はこっちを使うようになる Internationalization Unicode 6.0.0 java.lang Package Multithreaded Custom Cla…

Java SE 6 Features and Enhancements Collections Framework The primary theme of the API changes was better bi-directional collection access. Instrumentation 計測用サービス Internationalization Support https://docs.oracle.com/javase/6/docs/t…