输入数据练习-JAVA

import java.util.Scanner;public class Input {public static void main(String[] args) {System.out.println("请输入若干数，每输入一个数回车确认");System.out.println("最后输入数字0结束输入操作");Scanner reader=new Scanner(System.in);double sum=0;double x=reader.nextDouble();while(x!=0){sum=sum+x;x=reader.nextDouble();}System.out.println("sum="+sum);}}