class Arrays {

	public static void main(String[] args) {
		int[] arr1 = {1,2,3,4,5};

		System.out.println("3 is in arr1? " + elementExists(3,arr1));
		System.out.println("7 is in arr1? " + elementExists(7,arr1));

		int[] arr2 = {1,2,3,4,5};

		int[] arr3 = sumArrays(arr1, arr2);

		printArray(arr3);

	}

	public static void printArray(int[] arr) {
		for(int elm : arr) {
			System.out.print(elm + " ");
		}
		System.out.println();
	}

	public static int[] sumArrays(int[] arr1, int[] arr2) {
		int[] temp = new int[arr1.length];

		for(int i = 0; i < arr1.length; i++) {
			temp[i] = arr1[i] + arr2[i];
		}

		return temp;
	}

	public static boolean elementExists(int k, int[] arr) {
		for(int x : arr) {
			if(x == k) {
				return true;
			}
		}
		return false;
	}








}