Convert a java map to JSON using Jackson

In this post we will convert a java map to JSON using the jackson library.

Setup:

You will need to add the following dependancy to your project

Convert a java map to JSON:

The following example shows how to convert a Java map to JSON using the ObjectMapper class. The ObjectMapper class has a method writeValueAsString() which converts the object to its JSON representation.

Output:

Running the above example produces the following output.

In conclusion, I hope you found this post useful and it helps you understand how to use the Jackson library in new ways.

Similar posts:

  1. Convert JSON array to List using Jackson
  2. Convert List to JSON array using Jackson
  3. Convert Java object to JSON using Jackson
  4. Convert JSON string to Java object using Jackson

References:

  1. Jackson Documentation

Leave a Reply

Your email address will not be published. Required fields are marked *