import java.util.Scanner;

class Feb23 {

	public static void main(String[] args) {
		Scanner kb = new Scanner(System.in);

		System.out.println("Please enter an integer");
		int input = kb.nextInt();
		int x = doubleInt(input);
		System.out.println("x: " + x);	
	
		int[] array1 = {1,2,3};
		printArray(array1);

		System.out.println("min: " + min(array1));
	}

	private static int doubleInt(int x) {
		x = 2 * x;
		return x;
	}

	private static boolean areEqual(int a, int b) {
		return (a == b);
	}

	private static boolean isOdd(int a) {
		return (a % 2 == 1);
	}
	
	/* print elements of arr to console */
	private static void printArray(int[] arr) {
		int len = arr.length;

		for(int i = 0; i < len; i++) {
			System.out.print(arr[i] + " ");
		}
		System.out.println();
	}

	private static int min(int[] arr) {
		int min = arr[0];
		for(int i = 1; i < arr.length; i++) {
			if (arr[i] < min) {
				min = arr[i];
			}	
		}
		return min;
	}

}