public void set(String in, int field,Scanner s) {
		switch(field){
		case 1:
			number = in;
			break;
		case 2:
			name = in;
			break;
			
		case 3:
			address = in;
			break;
			
		case 4:
			city = in;
			break;
			
		case 5:
			while (in.length() != 2){
				System.out.println("Please enter a valid state: ");
				in = s.next();
			}
			state = in;
			break;
			
		case 6:
			while (in.length() != 5 || !isInt(in)){
				System.out.println("Please enter a valid id: ");
				in = s.next();
			}
			zip = in;
			break;
			
		default:
			System.out.println("Invalid number");
		}
			
	}