Reading Input

• System.in has minimal set of features–it can only read one byte at a time
• In Java 5.0, Scanner class was added to read keyboard input in a convenient manner

• Scanner in = new Scanner(System.in);
  System.out.print("Enter quantity: ");
  int quantity = in.nextInt();

• nextDouble reads a double
• nextLine reads a line (until user hits Enter)
  
• nextWord reads a word (until any white space)