public void setLandingZones(java.util.Collection<LandingZoneSummary> landingZones) {
        if (landingZones == null) {
            this.landingZones = null;
            return;
        }

        this.landingZones = new java.util.ArrayList<LandingZoneSummary>(landingZones);
    }
<p>
The ARN of the landing zone.
</p>

@param landingZones
       The ARN of the landing zone.
aws-java-sdk-controltower/src/main/java/com/amazonaws/services/controltower/model/ListLandingZonesResult.java