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编写程序，读入未指定个数的整数，判断读入的整数有多少个，读入的负数有多少个，输入0表示程序结束，计算总和和平均值。
import java.util.Scanner;
public class chapt3 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Enter an int value,the program exists if the input is 0:");
int value=0;
int total = 0;
int positives = 0;
int negatives = 0;
double average = 0;
int sum = 0;
do{
value =input.nextInt();
if(value > 0)
{positives++;sum = sum + value;}
if(value<0)
{negatives++;sum = sum + value;}
}while(value!=0);
total=positives+negatives;
average = (double)sum / total;
System.out.println("The number of positives is "+positives);
System.out.println("The number of negatives is "+negatives);
System.out.println("The totalsum is "+sum);
System.out.println("The average is "+average);
}
}
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