High Quality Content by WIKIPEDIA articles! Java Platform, Standard Edition or Java SE is a widely used platform for development and deployment of portable and versatile applications that are intended for desktop and server environments. Java SE uses object-oriented Java programming language. Strictly speaking, Java SE is a platform specification which defines a wide range of general purpose APIs (such as API for Java Class Library) and also includes the Java Language Specification and the Java Virtual Machine Specification. One of the most well known implementations of Java SE is Oracle Corporation`s Java Development Kit (JDK).