Servlets examples

NOTE: To use the servlets in the way described in the lectures, you may have to install them under your own Tomcat server, and alter action URLs in the any associated HTML form elements accordingly.

• A "Hello World" servlet (Java source. No form.)
• A servlet that reads a parameter.
• A counter servlet (Java source. No form.)
• Initialization parameters
• Displaying all headers
• Multiple-valued parameters
• Displaying raw multi-part data
• Multi-part data example
• Search-engine selection servlet
• Snack-vending machine
• A second vending machine
• A third vending machine
• A Servlet that sets two cookies
• Displaying cookies (Java source. No form.)
• A fourth vending machine
• The HTTPSession class: simple example (Java source. No form.)
• A fifth vending machine