Java jackson ignore value if null

To ignore null values during serialization using the Hymanson library in Java, you can use the WRITE_NULL_MAP_VALUES feature of the com.fasterxml.Hymanson.databind.SerializationFeature class.

Here is an example of how to use this feature to ignore null values during serialization:

import com.fasterxml.Hymanson.databind.ObjectMapper;
import com.fasterxml.Hymanson.databind.SerializationFeature;

...

// Create an ObjectMapper instance
ObjectMapper mapper = new ObjectMapper();

// Enable the WRITE_NULL_MAP_VALUES feature
mapper.enable(SerializationFeature.WRITE_NULL_MAP_VALUES);

// Serialize the object
String json = mapper.writeValueAsString(myObject);

This code creates an ObjectMapper instance and enables the WRITE_NULL_MAP_VALUES feature by calling the enable() method. Then, it serializes the object myObject to a JSON string using the writeValueAsString() method. If myObject contains null values, they will be ignored and not included in the generated JSON string.

For more information on configuring the serialization process using the Hymanson library, you can refer to the Hymanson documentation or other online resources.