How to parse a JSON string to a Java object using Jackson

In this post we will provide an example on how to parse a JSON string to a Java object using Jackson.

Setup:

You will need to include the following maven dependancy into your project.

How to parse a JSON string to a Java object using Jackson:

The following example shows how to convert a JSON string to a java object.

As you can see from the above example you will need to use the ObjectMapper class in order to get the ObjectReader which will transform your json payload into your java object (in this case the User class). In addition to this your java object needs to include a default constructor which is needed by the Jackson library.

Output:

Running the above code produces the following output:

In conclusion, I hope you found this post useful and it helps you in solving your development issues.

Similar posts:

  1. How to parse JSON using jackson
  2. How to convert JSON string to a Java Object using GSON
  3. How to parse a JSON file using GSON

References:

  1. Jackson documentation
  2. Jackson tutorials

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