统计正数和负数的个数，然后计算这些数的平均值 Exercise05_01

import java.util.Scanner;
/**
 * @author 冰樱梦
 * 
 *
 */
public class Exercise05_01{
    public static void main(String[] args){
        Scanner input=new Scanner(System.in);
        int positives=0,negatives=0,number,sum=0;
        double total=0,average=0;
        while(true){
            System.out.println("Enter an integer, the input ends if it is 0:");
            number=input.nextInt();
            total+=number;
            if(total==0){
                System.out.println("No number are entered except 0");
                break;
            }
            else {
                if(number>0) positives++;
                if(number<0) negatives++;
                sum++;
                if(number==0){
                    average=total/sum;
                    System.out.println("The number of positives is " + positives);
                    System.out.println("The number of negatives is " + negatives);
                    System.out.println("The total is " + total);
                    System.out.println("The average is " + average);
                }
            }
            
        }
        
    }
}