private ETrainerType trainerTypeMenu(){
		ETrainerType trainerType = ETrainerType.NONE;
		
		do{
			System.out.println("Select the energy type :");
			System.out.println("1 - Item");
			System.out.println("2 - Supporter");
			System.out.println("3 - Stadium");
			this.typedChoice = sc.nextLine();	
		
			switch(this.typedChoice){
				case "1":
					trainerType = ETrainerType.ITEM;
					break;
				case "2":
					trainerType = ETrainerType.SUPPORTER;
					break;
				case "3":
					trainerType = ETrainerType.STADIUM;
					break;
			}		
		}while(trainerType == ETrainerType.NONE);
		
		return trainerType;
	}