The Java SE Runtime Environment 8 (Java Platform, Standard Edition) is a major feature release. It contains new features and enhancements in many functional areas.
Through reduced boilerplate code, improved collections and annotations, simpler parallel programming models, and more efficient use of modern, multi-core processors, Java SE 8 gives you sigificant application performance increases.
Java Standard Edition (SE) is a free software bundle that provides the Java Runtime Environment and the libraries and components you need to display a wide range of programs and Web content on 32.