SQL speed test

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Random;

/*
 * @author Josef
 *
 */

public class Main {

    public static void main(String[] args) {
        try {
            Connection con = DriverManager.getConnection(
                    "jdbc:mysql://127.0.0.1:3308/test", "root", "password");
            PreparedStatement statement;
            ResultSet res;
            ArrayList<TestObject> locations = new ArrayList<TestObject>();
            ArrayList<TestObject> fetchedLocations;
            String[] worlds = { "Bobs World", "Potatoland", "Baconcity",
                    "Cocoa Bean", "Feelsville", "Sweden" };
            long time;
            long doneTime;
            int times = 1;

            /* Creating 100 random made-up cords before starting test */
            for (int c = 0; c < times; c++) {
                Random r = new Random();
                locations.add(new TestObject(r.nextDouble() * 20000 - 10000, r
                        .nextDouble() * 20000 - 10000,
                        r.nextDouble() * 20000 - 10000, worlds[r.nextInt(5)], r
                                .nextFloat() * 360 - 180, r.nextFloat() * 180));
            }

            for (int i = 0; i < 5; i++) {
                /* Clear tables from previous tries */
                statement = con
                        .prepareStatement("DELETE FROM othertest WHERE 1;");
                statement.executeUpdate();
                statement = con
                        .prepareStatement("DELETE FROM testtable WHERE 1;");
                statement.executeUpdate();

                /* Saving then fetching as combined String */
                fetchedLocations = new ArrayList<TestObject>();
                System.out.println("Starting combined at "
                        + System.currentTimeMillis());
                time = System.currentTimeMillis();
                for (int c = 0; c < times; c++) {
                    TestObject l = locations.get(c);
                    statement = con
                            .prepareStatement("INSERT INTO othertest (loc) VALUES (?);");
                    statement.setString(1, l.x + ":" + l.y + ":" + l.z + ":"
                            + l.w + ":" + l.ya + ":" + l.p);
                    statement.executeUpdate();
                }
                for (int c = 0; c < times; c++) {
                    statement = con.prepareStatement("SELECT * FROM othertest");
                    res = statement.executeQuery();
                    while (res.next()) {
                        String[] a = res.getString("loc").split(":");
                        fetchedLocations.add(new TestObject(Double
                                .parseDouble(a[0]), Double.parseDouble(a[1]),
                                Double.parseDouble(a[2]), a[3], Float
                                        .parseFloat(a[4]), Float
                                        .parseFloat(a[5])));
                    }
                }
                doneTime = System.currentTimeMillis();
                System.out.println("Stopped combined at "
                        + System.currentTimeMillis() + " (Total of "
                        + (doneTime - time) + ")");

                /* Saving then fetching as individual variables */
                fetchedLocations = new ArrayList<TestObject>();
                System.out.println("Starting individual at "
                        + System.currentTimeMillis());
                time = System.currentTimeMillis();
                for (int c = 0; c < times; c++) {
                    TestObject l = locations.get(c);
                    statement = con
                            .prepareStatement("INSERT INTO testtable (x, y, z, world, yaw, pitch) VALUES (?, ?, ?, ?, ?, ?);");
                    statement.setString(1, l.x + "");
                    statement.setString(2, l.y + "");
                    statement.setString(3, l.z + "");
                    statement.setString(4, l.w);
                    statement.setString(5, l.ya + "");
                    statement.setString(6, l.p + "");
                    statement.executeUpdate();
                }
                for (int c = 0; c < times; c++) {
                    statement = con.prepareStatement("SELECT * FROM testtable");
                    res = statement.executeQuery();
                    while (res.next()) {
                        fetchedLocations
                                .add(new TestObject(res.getDouble("x"), res
                                        .getDouble("y"), res.getDouble("z"),
                                        res.getString("world"), res
                                                .getFloat("yaw"), res
                                                .getFloat("pitch")));
                    }
                }
                doneTime = System.currentTimeMillis();
                System.out.println("Stopped individual at "
                        + System.currentTimeMillis() + " (Total of "
                        + (doneTime - time) + ")");
            }

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

class TestObject {

    public double x, y, z;
    public float ya, p;
    public String w;

    TestObject(double x, double y, double z, String w, float ya, float p) {
        this.x = x;
        this.y = y;
        this.z = z;
        this.w = w;
        this.ya = ya;
        this.p = p;
    }

}