Convert JSON to Java object using Jackson

In my previous tutorial, I showed you how to convert Java object to JSON using the Jackson library. So what if we wanted to do the reverse, ie converting JSON to Java object? In this tutorial, we will learn more about that.

As an example, we also have a project similar to the previous tutorial as follows:

Convert JSON to Java object using Jackson

Jackson dependency:

Currently, the latest version of Jackson is 2.9.4.

Class Application to run for example:

And the Student class is the object that will store the converted information from the JSON string.

Of course, we also have a JSON string as follows:

OK, now we can start our main mission.

First, we will also create a new Jackson’s ObjectMapper object:

And use the ObjectMapper’s readValue() method to convert the JSON string to a Java object:


Convert JSON to Java object using Jackson


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