package labT1;

class T1A1 {

	double[] data;

	public T1A1(int n) {
		data=new double[n];
		double sum=0;
		data[0]=4.1;
		sum=data[0];
		for(int i=1; i<n-1; i++) {
			data[i]=data[i-1]-2;
			sum += data[i];
		}
		data[n-1]=n-sum;
	}

	public double average() {
		double sum=0;
		for(double d : data) { sum +=d; }
		return sum/data.length;
	}

	public String toString() {
		String str="[ ";
		for(int i=0; i<data.length-1; i++) {
			str +=data[i]+", ";
		}
		str +=data[data.length-1] + " ]";
		return str;
	}

	public static void main(String[] args) {
		T1A1 obj = new T1A1(12);
		System.out.println("Array: " + obj);
		System.out.println("Average= " + obj.average());
	}
}