Enum Data Types
Enum type is a type which consist of fixed set of constant fields. like direction and days includes values NORTH, SOUTH, EAST, and WEST and SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY and SATURDAY respectively.
Java Platform, Enterprise Edition or Java EE is builds on the solid foundation of Java Platform, Standard Edition (Java SE) and widely used platform for server programming in the Java programming language.
Applet : Java Glossary
An applet in java programming language is a small program that only runs under a Web browser. We can automatically download applet as part of a Web page. Activation of an applet results in execution of a program.