Java is a general purpose object oriented programming language. Java language is originally developed by James Gosling (Sun Micro-systems) of USA in 1991.
Java was designed for the development of software for consumer electronic devices like TVs, VCRs and such other electronic machines. Java-enabled browsers on the Internet requires a variety of support systems.
Internet Connection: Local computer should be connected to the Internet.
Web Server: A program that accepts requests for information and sends the required documents.
Web Browser: A program that provides access to www and runs Java applets.
HTML: A language for creating hypertext for the Web.
Applet Tag: For placing Java applets in HTML document.
Java Code: Java code is used for defining Java applets.
Bytecode: It is compiled the Java code that is referred to in the Applet tag and transferred to the user computer.
Proxy Server: An intermediate server between the requesting client workstation and the original server. It is typically implemented for ensuring security.
Mail Server: A computer system that facilitates exchange (sending and receiving) of electronic mails accross networks.