Java was originally developed by Sun Microsystems in 1995 and released as Java 1.0. It has been updated since and is currently at Java SE 8. Java is designed to be written once and run on any system ("Write Once, Run Anywhere"). The document then discusses the history and initial development of Java, the tools and environment needed to use Java, basic Java syntax including classes and objects, and previews what the next section will cover about Java operators.