Netbeans et mysql

import java.sql.*;


public class ConnexionMySQL {
	public Connection mysql;
	public boolean ouverte;
	private String loginMySQL = "TON LOGIN SQL", mdp = "ton mdp";
	public ConnexionMySQL(){
		ouverte=false;
		//chargement du driver JDBC pour MySQL
		System.out.println("-------- Test connexion MySQL ------------");
		try {
			Class.forName("com.mysql.jdbc.Driver");
		} catch (ClassNotFoundException e) {
			System.out.println("Driver MySQL non trouvé?");
			e.printStackTrace();
			return;
		}
		System.out.println("Driver MySQL trouvé");
		mysql=null;
		try {
		//  //	mysql = DriverManager.getConnection("jdbc:mysql://servinfo-db:3306/"+loginMySQL,loginMySQL, mdp);
	 	mysql = DriverManager.getConnection("jdbc:mysql://IP_MYSQL:3306/"+loginMySQL,loginMySQL,mdp);
		} catch (SQLException e) {
			System.out.println("Connection Failed! Check output console");
			e.printStackTrace();
			return;
		}
		ouverte=true;
		System.out.println("connexion réussie");
	}
		public void deconnexion(){
			ouverte=false;
			try {
				mysql.close();
				System.out.println("déconnexion réussie");
			} catch (SQLException e) {
				System.out.println("pb de déconnection");
		}
	}
		public Connection getConnection(){
			return this.mysql;
		}
}