Gson brief notes

Introduction to gson:

Gson is a Java class library provided by Google to map between Java objects and JSON data. You can turn a JSON string into a Java object, or vice versa.

Two common methods:

Gson. Tojson (object SRC) -- JSON serialize objects

Gson. From JSON (string JSON, class < T >) -- deserialize JSON strings into objects

Entity class:

Test class:

Operation effect:

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