C3P0 DBCP DRUID

public class JDBCUtils {
    private static DataSource c3p0DataSource = new ComboPooledDataSource("testC3P0");
    public static Connection getC3P0Connection() throws SQLException {
        Connection connection = c3p0DataSource.getConnection();
        return connection;
    }

    private static DataSource dbcpDataSource;
    static {
        InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream("dbcp.properties");
        Properties properties = new Properties();
        try {
            properties.load(is);
            dbcpDataSource = BasicDataSourceFactory.createDataSource(properties);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static Connection getDBCPConnection() throws SQLException {
        Connection connection = dbcpDataSource.getConnection();
        return connection;
    }

    private static DataSource druidDataSource;
    static {
        InputStream resourceAsStream = ClassLoader.getSystemClassLoader().getResourceAsStream("druid.properties");
        Properties properties = new Properties();
        try {
            properties.load(resourceAsStream);
            druidDataSource = DruidDataSourceFactory.createDataSource(properties);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static Connection getDRUIDConnection() throws SQLException {
        Connection connection = druidDataSource.getConnection();
        return connection;
    }
}