public void setLastExecutionDate(java.util.Date lastExecutionDate) {
        this.lastExecutionDate = lastExecutionDate;
    }
<p>
The date of the last execution.
</p>

@param lastExecutionDate
       The date of the last execution.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/AssociationExecution.java