The Entity Bean utilizes Container-Managed Persistence. The servlet then returns the course data obtained from the EJB to the client for display. The client then offers the user the opportunity to choose one or more courses for registration. Servlet Create a servlet that essentially performs as a poor-person's Interactive SQL interface. The servlet offers a multi-line edit box that allows users to enter a sql command.
Composite pattern is practiced.
This interpreter is an extension of the interpreter for a simple imperative language. Visitor pattern is practiced. This code uses Java Swing and the collection classes. In this project, It runs a Java applet for Conway's Game of Life. The code uses Java Swing for the user interface, the Swing timer for the internal clock and Java Serialization for saving and loading an ongoing game.