March 2019
Beginner to intermediate
778 pages
34h 20m
English
In 2009, Java became the second language to run on App Engine, and it is also supported by the majority of Google Cloud products and services. In September 2017, Java 8 support became generally available. App Engine services written in Java take the form of one or more servlets that conform to the Java Servlet 3.1 and 2.5 specifications. At runtime, App Engine provides these servlets through a managed Jetty 9 server. Similar to Python, requests are mapped to servlets through handlers defined in the application's configuration file.
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