public void setLastModifiedDate(java.util.Date lastModifiedDate) {
        this.lastModifiedDate = lastModifiedDate;
    }
<p>
Date on which the identity was last modified.
</p>

@param lastModifiedDate
       Date on which the identity was last modified.
aws-java-sdk-cognitoidentity/src/main/java/com/amazonaws/services/cognitoidentity/model/DescribeIdentityResult.java