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Hands-On High Performance with Spring 5 by Dinesh Radadiya, Prashant Goswami, Pritesh Shah, Subhash Shah, Chintan Mehta

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Baseline upgrades

The entire Spring Framework 5.0 has a JDK 8 and Jakarta EE 7 baseline. Basically, it means that to work on the Spring Framework 5.0, Java 8 is the minimum requirement. 

Some of the important baseline Jakarta EE 7 specifications for the Spring Framework 5.0 are as follows:

  • The code base of the Spring Framework 5.0 is based on Java 8 source code level now. So, the code readability is improved using inferred generics, lambdas, and so on. It also has the stability in the code for conditional support for Java 8 features.
  • The Spring Framework requires at least Jakarta EE 7 API level to run any of the Spring Framework 5.0 applications. It requires Servlet 3.1, Bean Validation 1.1, JPA 2.1, and JMS 2.0.
  • The development and deployment ...

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