NoSuchElementException with Java.Util.Scanner

Question

I am very new to Java but am working through the book Java: How to program (9th ed.) and have reached an example where for the life of me I cannot figure out what the proble

Answer 1

Integer#nextInt throws NoSuchElementException - if input is exhausted

You should check if there is a next line with Integer#hasNextLine

if(sc.hasNextLine()){
    number1=sc.nextInt();
}