import java.util.Scanner;

public class HelloWorld{

     public static void main(String []args)
     {
        System.out.println("How long do you want the array?");
        Scanner scan = new Scanner(System.in);
        int array_num = 0;
        array_num = scan.nextInt();
        if(array_num < 1)
        {
            System.out.println("Not a valid length!");
        }
        else
        {
            // construct array
            double prenum;
            double[] array_stuff = new double[array_num];
            for(int i = 0; i < (array_num - 1); i++)
            {
                System.out.println("Enter a number");
                prenum = scan.nextDouble();
                // put it in array
                array_stuff[i] = prenum;
            }
            // now print array stats
            System.out.print("{");
            for(int i = 0; i < (array_num - 1); i++)
            {
                System.out.print(array_stuff[i] + ", ");
            }
            System.out.print("}");
            // print other stats

        }
     }
}