Different Scopes and Their Events

• Request scope:
  • Request life cycle events (ServletRequestListener interface)
  • Request attribute binding events (ServletRequestAttributeListener)
• Application scope:
  • Web application life cycle events (ServletContextListener)
  • Web application attribute binding events (ServletContextAttributeListener)
• Session scope:
  • Session life cycle events (HttpSessionListener)
  • Session attribute binding events (HttpSessionAttributeListener)
  • Session serialization events (HttpSessionAttributeListener)