public void setTopics(java.util.Collection<Topic> topics) {
        if (topics == null) {
            this.topics = null;
            return;
        }

        this.topics = new java.util.ArrayList<Topic>(topics);
    }
<p>
An interest group, theme, or label within a list. A contact list can have multiple topics.
</p>

@param topics
       An interest group, theme, or label within a list. A contact list can have multiple topics.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/GetContactListResult.java