public void setAssociationDefaultRouteTableId(String associationDefaultRouteTableId) {
        this.associationDefaultRouteTableId = associationDefaultRouteTableId;
    }
<p>
The ID of the default association route table.
</p>

@param associationDefaultRouteTableId
       The ID of the default association route table.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/TransitGatewayOptions.java