Scanner & .nextInt

Question

why is.nextInt required in print with a scanner input variable? eg.
Scanner d = new Scanner(System.in);
System.out.println(evenOdd(d.nextInt()));

Answer 1

Because evenOdd is a method which accepts an int as a parameter, and returns a String.

so when you execute that code it will print some text on the screen, depending on the number you gave.

the method looks like this:

String evenOdd(int number){
if (number % 2 == 0)
return "Even";
else
return "Odd";

return "";
}

Now when you call that method, you pass a value to replace the "number" variable, which requires it to be an int.
Thats why we use nextInt(), because it treats our input as an int.