public Boolean isEbsOptimizedByDefault() {
        return this.ebsOptimizedByDefault;
    }
<p>
Indicates whether the <code>SupportedInstanceType</code> uses Amazon EBS optimization by default.
</p>

@return Indicates whether the <code>SupportedInstanceType</code> uses Amazon EBS optimization by default.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/SupportedInstanceType.java