J2EE is nothing but an extension of the Java SE based on the Java programming language used for developing and deploying web-based enterprise applications. ... Simply speaking, J2EE is just a part of Java with a powerful set of libraries.
Linux, Apache, MySQL and Perl/PHP/Python is a solution stack that is most commonly referred to using its acronym "LAMP." It is an open source development platform for creating and managing Web applications. ... Apache is the Web server, MySQL is the database, and one of PHP, Perl, Python is the scripting language.