JAVASE Scanner
package com.huang.boke.flowPath;
import java.util.Scanner;
public class test01 {
public static void main(String[] args) {
//创建扫描器对象,用于接收键盘数据
Scanner scanner = new Scanner(System.in);
double sum=0;
int m=0;
while (scanner.hasNextDouble()){
double v = scanner.nextDouble();
m=m+1;
sum=sum+v;
}
System.out.println("平均数"+(sum/m));
System.out.println("和"+sum);
//scanner例析
//io流不关闭会占用资源,使用后应关闭
scanner.close();
}
}