public OrganizationRecommendation withPillars(String... pillars) {
        if (this.pillars == null) {
            setPillars(new java.util.ArrayList<String>(pillars.length));
        }
        for (String ele : pillars) {
            this.pillars.add(ele);
        }
        return this;
    }
<p>
The Pillars that the Recommendation is optimizing
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setPillars(java.util.Collection)} or {@link #withPillars(java.util.Collection)} if you want to override
the existing values.
</p>

@param pillars
       The Pillars that the Recommendation is optimizing
@return Returns a reference to this object so that method calls can be chained together.
@see RecommendationPillar
aws-java-sdk-trustedadvisor/src/main/java/com/amazonaws/services/trustedadvisor/model/OrganizationRecommendation.java