String jdbcURL = "jdbc:derby:test;create=true";
String user = "app";
String password = "app";
Connection connection = null;

public static Connection getConnection() {
    try {
        Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
         connection = DriverManager.getConnection(jdbcURL, user, password);
        System.out.println("Connected");
        return connection;
    } catch (Exception ex) {
        System.out.println("message: " + ex.getMessage() + "nNot         connected");
        return null;
    }
}