流程控制-Scanner(2)
public class Demo04 {
public static void main(String[] args) {
//我们可以输入多个数字,并求其总和与平均数,每输入一个数字用回车确认,通过输入非数字来结束,并输出执行结果
Scanner scanner = new Scanner(System.in);
int i = 0;
double sum = 0.0;
double avge = 0.0;
System.out.println("请输入值:");
while (scanner.hasNextDouble()){
double d = scanner.nextInt();
sum = sum + d;
i++;
avge = sum/i;
System.out.println("你输入了第"+i+"个数据,然后当前和是:"+sum);
};
System.out.println("平均数位"+avge);
scanner.close();
}
}
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