Question 4 The following code fragment reads in two numbers: (Choose all that apply.) Scanner input = new Scanner(System.in); int i = input.nextInt(): double d = input.nextDouble(); What are the correct ways to enter these two numbers? A Enter an integer, a space, a double value, and then the Enter key. Enter an integer, two spaces, a double value, and then the Enter key. Enter a numeric value with a decimal point, a space, an integer, and then the Enter le Enter an integer, an Enter key, a double value, and then the Enter key. Question 2 Every letter in a Java keyword is in lowercase. O true false Question 3 Which of these data types requires the most amount of memory? O short O long O byte O int