public class NumbersInArray2 {
	public static void main (String[] args) {
		double min, max, sum=0, mean, temp;
		double[] numbers = {8, 2.5, 16.2, 7, 4.8, 9};

		//prepare statistics
		System.out.print("numbers: ");
		for (int i: numbers){
			// display number
			System.out.print(numbers[i] + " ");
			// calculate sum
			sum += numbers[i];
			}

		    //srednia
			mean = sum/2;

			//szukaj elementu minimalnego
			min = numbers[0];
			for(double i: numbers){
				if (min > numbers[i]){
				min = numbers[i];
				}
			}

			//szukaj elementu maksymalnego
			max = numbers[0];
			for(int i: numbers){
				if (max < numbers[i]){
				max = numbers[i];
				}
			}

		// display results
		System.out.println();
		System.out.println("sum: " + sum);
		System.out.println("mean: " + mean);
		System.out.println("min: " + min);
		System.out.println("max: " + max);
}
}