How to serialize Object to JSON?

One can use the Jackson library as well.

Add Maven Dependency:

<dependency>
  <groupId>com.fasterxml.jackson.core</groupId> 
  <artifactId>jackson-core</artifactId>
</dependency>

Simply do this:

ObjectMapper mapper = new ObjectMapper();
String json = mapper.writeValueAsString( serializableObject );

Easy way to do it without annotations is to use Gson library

Simple as that:

Gson gson = new Gson();
String json = gson.toJson(listaDePontos);

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