java 连接到mysql数据库

import java.sql.*;

public class ConnectionToMysqlDb {
    public static void main(String[] args){
        ConnectionToMysqlDb c = new ConnectionToMysqlDb();
        System.out.println(c.CheckConnection());
    }
    //连接数据库
    public boolean CheckConnection(){
        boolean isConnect = false;
        try{
            Connection conn;
            Statement stmt;
            ResultSet res;
            
            Class.forName("com.mysql.jdbc.Driver").newInstance();
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/movies","root","********");
            stmt = conn.createStatement();
            res = stmt.executeQuery("SELECT 1 FROM testtable");
            res.next();
            isConnect = res.first();
        }catch(Exception e){
            System.out.println(e.toString());
        }
        return isConnect;
    }
}