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Thread: Need help with exception handling for a string

  1. #1
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    Default Need help with exception handling for a string

    I am writing a program that you have to enter either "R", "T", or "C" for some code to execute. I have everything running but cannot figure out how to handle if a different letter is entered or a number.....I want a reenter message to print and do again. I know how to use the numberFormat exception, but don't know how a string exception would be coded. Do I have to make my own? I tried using if statements, but that doesn't work. Heres the if's I had:

    //get input from the user
    System.out.println("Enter customer type (r/c/t): ");
    System.out.println();
    customerType = sc.next();

    //check for non r/t/c entry

    if(!customerType.equalsIgnoreCase("R")){
    if(!customerType.equalsIgnoreCase("T"))
    if(!customerType.equalsIgnoreCase("C"))

    System.out.println("Re-enter");

    }else{

    System.out.println("Enter subtotal: ");
    System.out.println();
    double subtotal = sc.nextDouble();
    this only works for R entry.


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Need help with exception handling for a string

    See cross post at : Need help with exception handling for a string

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