public class NumOption {
public static void main(String[] args) {
int sum = 0
int i = 0
int count= 0
Scanner sc = new Scanner(System.in)
System.out.println("请输入整数,以0结尾")
do {
System.out.print("请输入数字:")
i = sc.nextInt()
sum += i
count ++
} while (i != 0)
System.out.println("共输入了" + --count + "个数字, 和为" + sum + ", 平均数为" + (double)sum / count)
}
}
import java.util.Scannerpublic class first {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in)//实例化System类的对象
double sum = 0//定义和输入的数字和
while (!scanner.hasNext("#")) {//循环,直到你以#为止结束循环
sum += scanner.nextDouble()//求和,你输得所有数字都能被nextDouble()接收!!
}
System.out.println(sum / 4)//你说输入四个,那就除以四。事实上你可以输入任意多个
}
}
我也学完java不久,加油哦!!