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Formateurs & Code

JSON en POJO Java

Emit a Java POJO from a JSON sample.

Runs in your browser

Note de la rédaction

Understanding · Jackson, and a hundred annotations.

Ce chapitre approfondi n'est actuellement disponible qu'en anglais. L'outil de conversion ci-dessus fonctionne dans votre langue ; le long article explicatif n'a pas encore été traduit.

Questions fréquentes

Quick answers.

What libraries are required for the output?

The generated POJOs are standard Java classes using vanilla syntax. Depending on your configuration, you may want to add `Jackson` or `Gson` annotations for custom key mapping.

How does it handle nested objects?

The tool recursively parses the JSON and creates separate static inner classes or individual class definitions for each nested object found in the hierarchy.

Does this tool support Java Records?

Currently, the output defaults to standard class definitions with modifiers. You can manually convert the generated fields into a Record for use in Java 14 or higher.

Is my data privacy protected?

Yes. The conversion logic is executed entirely via JavaScript within your browser session. No data is stored or sent to a backend during the process.

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