Check out example codes for "jackson ignore values if empty". It will help you in understanding the concepts better.

Code Example 1

// every Value

@JsonInclude(JsonInclude.Include.NON_EMPTY)
public class ObjectWithoutEmpty {

  	// only not empty Values get included 
    @JsonProperty("propertyOne")
    private String propertyOne;

  	// only not empty Values get included 
    @JsonProperty("propertyTWO")
    private String propertyTWO;

}

// one property


public class ObjectWithoutEmpty {

  	// only non empty Values get included 
  	@JsonInclude(JsonInclude.Include.NON_EMPTY)
    @JsonProperty("propertyOne")
    private String propertyOne;
  
	// empty Values get included 
    @JsonProperty("propertyTWO")
    private String propertyTWO;

}

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