public class test {
    public static void main(String args[]){
    int array[]={22,10,-2,9,15,7};

        System.out.println("Minimum value= " + minimum(array));
        System.out.println("Maximum value= " + maximum(array));
        System.out.println("Average value= " + average(array)/array.length);
        System.out.println("Numbers of elements= " + sequence(array)); //nem lett volna elég hogy array.length?
}

    public static int minimum(int array[]){
        int min=0;

        //int min=Integers.MAX_VALUE;
        for(int j=0;j<array.length;j++) {
            for (int i = 1; i < array.length; i++) {
                if (array[i] < array[j])  //if (array[i]<min)
                {
                    min = array[i];
                }
            }
        }
        return min;
    }

    public static int maximum(int array[]){
        int max=Integer.MIN_VALUE;
        for(int i=0;i<array.length-1;i++) {
            if (array[i] > max) {
                max = array[i];
            }
        }
        return max;
    }

    public static double average(int array[]){
        int avg=0;
        for(int i=0;i<array.length;i++){
            avg+=array[i];
        }
        return avg;
    }

    public static int sequence(int array[]){
            int seq=0;
            for(int i=0;i<array.length;i++){
                seq+=1;
        }
        return seq;
    }
}