Java SE8 Features

JSR 335: Language-level support for lambda expressions (officially, lambda expressions; unofficially, closures) under Project Lambda. There was an ongoing debate in the Java community on whether to add support for lambda expressions. Sun later declared that lambda expressions would be included in Java and asked for community input to refine the feature.
JSR 223: Project Nashorn, a JavaScript runtime which allows developers to embed JavaScript code within applications
JSR 308: Annotations on Java Types
JSR 310: Date and Time API