Java example for createing a rds instance with ec2 VPC group

rds.java

import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.amazonaws.services.ec2.model.DescribeSecurityGroupsResult;
import com.amazonaws.services.ec2.model.SecurityGroup;
import com.amazonaws.services.rds.AmazonRDS;
import com.amazonaws.services.rds.AmazonRDSClient;
import com.amazonaws.services.rds.model.CreateDBInstanceRequest;

import java.util.ArrayList;
import java.util.List;


public class Deploy {

    private static String awsAccessKey = "";
    private static String awsSecretKey = "";

    public static void main(String args[]) {
        System.out.println("Start Deploy");

        try {

        Region region = Region.getRegion(Regions.EU_WEST_1);
        AWSCredentials awsCredentials = new BasicAWSCredentials(awsAccessKey, awsSecretKey);

        AmazonRDS amazonRDSClient = new AmazonRDSClient(awsCredentials);
        amazonRDSClient.setRegion(region);

        AmazonEC2 amazonEC2 = new AmazonEC2Client(awsCredentials);
        amazonEC2.setRegion(region);



        DescribeSecurityGroupsResult describeSecurityGroupsResult = amazonEC2.describeSecurityGroups();
        List<SecurityGroup> securityGroups =describeSecurityGroupsResult.getSecurityGroups();

        SecurityGroup web106ec2 = null;
        for(SecurityGroup securityGroup : securityGroups){
            if(securityGroup.getGroupName().equals("ec2groupname")){
                web106ec2 = securityGroup;
            }
        }

        if(web106ec2 != null) {

            List<String> ids = new ArrayList<String>();

            ids.add(web106ec2.getGroupId());

            CreateDBInstanceRequest createDBInstanceRequest = new CreateDBInstanceRequest();
            createDBInstanceRequest
                    .withDBName("database")
                    .withAllocatedStorage(5)
                    .withDBInstanceClass("db.t1.micro")
                    .withEngine("mysql")
                    .withMasterUsername("username")
                    .withMasterUserPassword("password")
                    .withDBInstanceIdentifier("database")
                    .withMultiAZ(false)
                    .withVpcSecurityGroupIds(ids);

            amazonRDSClient.createDBInstance(createDBInstanceRequest);
        }
        } catch (Exception ex) {

            System.out.println(ex.getMessage());

        }
    }
}