How to deserialize a generic type?

How to deserialize a generic type?

You need to create a TypeReference object for each generic type you use and use that for deserialization. For example – You can’t do that: you must specify fully resolved type, like Data .

How to deserialize a JSON string with Jackson annotations?

JSON string that needs to be deserialized will have to contain the type information about parameter T. You will have to put Jackson annotations on every class that can be passed as parameter T to class Data so that the type information about parameter type T can be read from / written to JSON string by Jackson.

What’s new in JSON(de)serialization in Core 3?

.Net Core 3.0 introduces new JSON (de)serialization classes in the System.Text.Json Namespace. These are high-performance classes for working with JSON.

How to deserialize JSON without knowing the parameter t at compile time?

Once each of the class (or their common supertype) that can be passed as parameter T is annotated, Jackson will include information about parameter T in the JSON. Such JSON can then be deserialized without knowing the parameter T at compile time.

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