DB_PASSWORD=strongPassword123 <dependency> <groupId>io.github.cdimascio</groupId> <artifactId>dotenv-java</artifactId> <version>VERSION_NUMBER</version> </dependency> import io.github.cdimascio.dotenv.Dotenv; Dotenv dotenv = Dotenv.load(); String dbPassword = dotenv.get("DB_PASSWORD"); Connection connection = DriverManager.getConnection(url, username, dbPassword);