/* Craig Persiko CS 111A
   MethodToInputArray example
   in-class exercise
   Inputs 3 numbers from a user, 
   using a method to return them in an array.
*/
import java.util.Scanner;

class MethodToInputArray
{
  public static void main(String[] args)
  {
    double[] nums;
	 
    nums = inputArray(3);
	 
    System.out.println("Here are the numbers:");
    for(int i=0; i < nums.length; i++)
      System.out.print(nums[i] + " ");
  }
  
  static double[] inputArray(int numElements)
  {
    Scanner s = new Scanner(System.in);
	 
    double[] a = new double[numElements];
	 
    for(int i=0; i < numElements; i++)
    {
      System.out.print("Please enter a number: ");
      a[i] = s.nextDouble();
    }
    s.nextLine(); // remove leftover newline char
    return a;
  }
}

/* Sample Output:

-bash-3.2$ java MethodToInputArray
Please enter a number: 7.5
Please enter a number: 1.33
Please enter a number: 6
Here are the numbers:
7.5 1.33 6.0

*/