import java.util.Arrays;

public class Main {

    public static void main(String[] args) {
        int[] arr = new int[200];
        var r = new java.util.Random();
        int rand;
        int overzero = 0;
        int underzero = 0;
        int iszero = 0;

        double sum = 0;

        for (int i = 0; i < arr.length; i++) {
            rand = r.nextInt(21) -10;
            arr[i] = rand;
            sum += arr[i];

            if(arr[i] == 0){
                iszero++;

            }
            if (arr[i] > 0 ){
                overzero++;
            }
            if(arr[i] < 0){
                underzero++;
            }


        }
        System.out.println(Arrays.toString(arr));
        System.out.println("Prozent exakt Null: " + ((double)iszero*100)/arr.length);
        System.out.println("Prozent unter Null: " + ((double)underzero*100)/arr.length);
        System.out.println("Prozent über Null: " + ((double)overzero*100)/arr.length);
        System.out.println("Mittelwert lautet: " + (sum/arr.length));
    }
}