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Thread: Problem with option scanner input for a switch statement

  1. #1
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    Default Problem with option scanner input for a switch statement

    I'm just trying to create a simple switch statement structure:

    SwitchStatement.java:
    public class SwitchStatement {
     
    	public void displayMenu() {
    		System.out.println("Select a bloodtype:\n Option 1: AB-negative\n Option 2: B-negative\n Option 3: AB-positive\n"
    				+ " Option 4: A-negative\n Option 5: O-negative\n Option 6: B-positive\n Option 7: A-positive\n Option 8: O-positive");
    	}
     
    	public String Menu() {
    		Scanner menuSelect = new Scanner(System.in);
    		String bloodtype;
    		switch(menuSelect.NextInt()) {
    		case 1:
    			bloodtype = "AB-negative";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;		
    		case 2:
    			bloodtype = "B-negative";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		case 3:
    			bloodtype = "AB-positive";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		case 4:
    			bloodtype = "A-negative";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		case 5:
    			bloodtype = "O-negative";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		case 6:
    			bloodtype = "B-positive";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		case 7:
    			bloodtype = "A-positive";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		case 8:
    			bloodtype = "O-positive";
    			System.out.println("You selected the " + bloodtype + " bloodtype.");
    			break;
    		default:
    			System.err.println("Invalid option. Choose an option between 1 and 8.");
    			break;
    		}
    		return bloodtype;			
    	}
    }

    Main.java:
    [CODE]

    Line 15 error: "The method NextInt() is undefined for the type Scanner"

    What am I missing?

  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Problem with option scanner input for a switch statement

    Line 15 error: "The method NextInt() is undefined for the type Scanner"
    Check the spelling. java is case sensitive
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Problem with option scanner input for a switch statement

    + add bloodtype initialization before return it eg in switch default:
    default:
    bloodtype = "";

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