Method example of converting Java’s list structure to JSON through gson Library
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Java
I found Google's gson. Because I knew something about protocol buf before, I began to use gson with some curiosity. GitHub home page: https://github.com/google/gson After comparison, gson has the biggest difference from other existing Java JSON class libraries. Gson needs to serialize entity classes without using annotation to identify the fields to be serialized. At the same time, gson can flexibly configure the fields to be serialized by using annotation. Converting list or map into JSON is very simple:
We will have detailed examples below.
Example simple object conversion and list conversion with generics:
Entity class:
Test class:
Execution results:
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