public SpotPrice withTimestamp(java.util.Date timestamp) {
        setTimestamp(timestamp);
        return this;
    }
<p>
The date and time the request was created, in UTC format (for example,
<i>YYYY</i>-<i>MM</i>-<i>DD</i>T<i>HH</i>:<i>MM</i>:<i>SS</i>Z).
</p>

@param timestamp
       The date and time the request was created, in UTC format (for example,
       <i>YYYY</i>-<i>MM</i>-<i>DD</i>T<i>HH</i>:<i>MM</i>:<i>SS</i>Z).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/SpotPrice.java