java.让用户输入5名学生成绩,将成绩累计之和输出,并计算出5名同学的平均分.用while循环方式咋整,详细点ok不!
public class Demo {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int i = 1;
double sum = 0;
while (i <= 5) {
System.out.println("请输入第" + i + "位学生成绩");
double d = sc.nextDouble();
sum += d;
i++;
}
System.out.println("平均成绩为"+(sum/5));
}
}
可以请采纳
看第一个哥们的 我就加了一个输出总成绩
public class Demo {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int i = 1;
double sum = 0;
while (i <= 5) {
System.out.println("请输入第" + i + "位学生成绩");
double d = sc.nextDouble();
sum += d;
i++;
}
System.out.println("平均成绩为"+(sum/5));
System.out.println("总成绩为"+sum);
}
}