Java EE 8 New features and Improvements

Topics

  • Web Technologies and new APIs 
  • JAX-RS 2.1 
  • Java EE 8 Backend Technologies

Web Technologies and new APIs 

  • Servlet 4.0: the basis of many frameworks technologies which offer a fairly low level request/response based API which serve the basis of many frameworks Java 
  • JSF 2.3: Stand for JavaServer Faces amore High-level API to create graphical user interfaces 
  • JSF is build in top of Servlets 
  • Offer a component model for the developer to work with 
  • In Java EE 8, servlets get a major revision

Servlet 4.0 (JSR 369)

  • The Servlet version 4.0 specification represents the first major release since 2009 and embraces the capabilities afforded by the new digital HTTP 2.0 protocol 
  • The new HTTP protocol is the first for nearly 20 years and addresses many of the limitations of HTTP 1.0 and 1.1 
  • The headline feature in Servlet 4.0 is server push 
  • This new capability is used to anticipate the resource requirements of the client by pushing those resources into the browser’s cache. So when the client receives the response the resources it needs are already in the cache

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