Conexão com MySQL

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

public class MySQL {

    private String host;
    private String user;
    private String pass;
    private String database;
    
    public Connection c;
    
    public MySQL( String host, String database, String user, String pass ) {
        this.pass = pass;
        this.user = user;
        this.host = host;
        this.database = database;
    }
    
    public boolean connect() {
        boolean isConnected = false;
        String url;
        
        url = "jdbc:mysql://"+this.host+"/"
              +this.database+"?"
              +"user="+this.user
              +"&password="+this.pass;
              
        try {
            Class.forName("com.mysql.jdbc.Driver").newInstance();
            System.out.println(url);
            this.c = DriverManager.getConnection(url);
            isConnected = true;
        } catch( SQLException e ) {
            e.printStackTrace();
            System.out.println(e.getMessage());
            isConnected = false;
        } catch ( ClassNotFoundException e ) {
            e.printStackTrace();
            System.out.println(e.getMessage());
            isConnected = false;
        } catch ( InstantiationException e ) {
            e.printStackTrace();
            System.out.println(e.getMessage());
            isConnected = false;
        } catch ( IllegalAccessException e ) {
            e.printStackTrace();
            System.out.println(e.getMessage());
            isConnected = false;
        }
        
        return isConnected;
    }
    
        public static void main (String [] args) {
            MySQL db = new MySQL("xx","xx","xx","xx");
            if ( db.connect() ) {
              System.out.println("Conectado!");
            };
          }
    
}