用idea连接mysql数据库

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.26</version>
</dependency>

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DatabaseConnector {
    private static final String DB_URL = "jdbc:mysql://localhost:3306/mydatabase";
    private static final String USER = "root";
    private static final String PASSWORD = "yourpassword";

    public static void main(String[] args) {
        Connection conn = null;
        try {
            conn = DriverManager.getConnection(DB_URL, USER, PASSWORD);
            System.out.println("Connected to the database successfully!");
        } catch (SQLException e) {
            System.out.println("Failed to connect to the database.");
            e.printStackTrace();
        } finally {
            try {
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                System.out.println("Failed to close the database connection.");
                e.printStackTrace();
            }
        }
    }
}