键盘录入五个学生的成绩算他们的平均分
import java.util.Scanner;public class ketang_while001 { public static void main(String[] args) { String name; int i = 1; int age; double sc; double zongchengji=0; double pingjun; while (i<=5) { Scanner scanner = new Scanner(System.in); System.out.println("请输入姓名"); name = scanner.next(); System.out.println("请输入年龄"); age = scanner.nextInt(); System.out.println("请输入成绩"); sc= scanner.nextDouble(); zongchengji+=sc; i++; } pingjun=zongchengji/i; System.out.println("平均成绩:"+pingjun); }}