输入任意多个数字，以-1结束输入；计算它们的平均值并输出。
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| import java.util.Scanner;
public class Avrage {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int number = 0,count = 0, temp;
temp = in.nextInt();
while(temp != -1)
{
number = number + temp;
count = count + 1;
temp = in.nextInt();
}
System.out.println("平均数为="+ 1.0*number/count);
}
}
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