import java.util.Scanner;

public class L14 {
	public static void main(String[] args) {

		Scanner kb = new Scanner(System.in);

		double price = 0;
		System.out.println("Please enter a quantity");
		int quantity = kb.nextInt();

		// set price to 0.50 if quantity is less than 10,
		// otherwise set price to 1.00

		if (quantity < 10) {
			price = 0.50;
		} 
		else {
			price = 1.0;
		}

		System.out.println("price: " + price);


		price = (quantity < 10) ? 0.5 : 1.0;		
		System.out.println("price: " + price);

		int[] arr1 = new int[10];  // 10 zeros
		int len1 = arr1.length;
		System.out.println("length of arr1: " + len1);

		System.out.print(arr1[0] + " ");
		System.out.print(arr1[1] + " ");
		System.out.print(arr1[2] + " ");
		System.out.print(arr1[3] + " ");
		System.out.println();
	
		for(int i = 0; i < len1; i++) {
			System.out.print(arr1[i] + " ");
		}
		System.out.println();

		arr1[0] = 100;
		arr1[1] = 200;
		arr1[2] = 300;

		for(int elm : arr1) {
			System.out.print(elm + " ");
		}
		System.out.println();

		// set elments to 2, 4, 6, ...
		for(int i = 0; i < len1; i++) {
			arr1[i] = 2 * i + 2;
		}

		for(int elm : arr1) {
			System.out.print(elm + " ");
		}
		System.out.println();

	
	} // end of main
} // end of class