Convert JSON to a Map using Jackson

In this post we will demonstrate how to convert JSON to a Map using Jackson.

Setup:

You will need to add the following dependancy to your project.

Convert JSON to a Map using Jackson:

The example below shows how to convert a JSON string to a Java Map using Jackson.

The main class which does the conversion is the ObjectMapper. The readValue method accepts a JSON string along with the mapped class, in this case Map.

Output:

Running the above code produces the following output

In conclusion, I hope this post was of some use and it helped you in solving your development issue.

Similar posts:

  1. Java map to JSON using Jackson
  2. JSON array to List using Jackson
  3. Java object to JSON using Jackson

References:

  1. Jackson documentation