public void setVpcId(String vpcId) {
        this.vpcId = vpcId;
    }
<p>
The identifier of the VPC that the instance was launched in.
</p>

@param vpcId
       The identifier of the VPC that the instance was launched in.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsEc2InstanceDetails.java