cai gi á

public class MySQL {
public static Connection con;
public static Connection connect(String host, int port, String database, String user, String password){
try{
con = DriverManager.getConnection("jdbc:mysql://"+host+":"+port+"/"+database+"?autoReconnect=true",user,password);
Bukkit.getConsoleSender().sendMessage("§aMySQL Is now connected with all servers.");
} catch(SQLException e){
e.printStackTrace();
Bukkit.getConsoleSender().sendMessage("§cMySQL Can't connect with all servers." + e.getMessage());
}
return con;
}
public static void disconnect(){
try{
con.close();
}catch(SQLException e){
e.printStackTrace();
}
}
public static boolean hasConnection(){
if(con != null){
return true;
}
return false;
}
}