Create a method print a string If type is not string then throw exception and retry the method for 3 times

public static void printString(String str) {
    if (str instanceof String) {
        System.out.println(str);
    } else {
        for (int i = 0; i < 3; i++) {
            System.out.println("Try again");
            try {
                throw new Exception("Invalid String");
            } catch (Exception e) {
                System.out.println(e.getMessage());
            }
        }
    }
}