Suppose we want to get a single floating-point value from keyboard as input and store it in a variable called rent. Which line of code correctly complete this task? Suppose the variable rent has already been declared correctly and a Scanner object named scnr has also been declared and initialized.

		rent = Scanner.nextDouble();
		rent = scnr.nextDouble();
		rent = scnr.nextInt();
		rent = scnr.nextDouble;

Which of the statement/expression is missing from the following code? public class Project1 { public static void main(String[] args) { System.out.print("Enter your Major : "); Scanner scanner = new Scanner(System.in); String inputString = scanner. nextLine(); System.out.println("Major: " +inputString); } }