include <iostream>#include <stdio.h>using namespace std;class Student{ char studentno[20]; char name[20]; int age; Student() { // 初始化 studentno = {0}; name = {0}; age = 0; } public: void printStudent() { cout << "学...
import java.util.Scanner;public class Student { public static void main(String[] args) { Student student = new Student(); student.input(); float sum = student.sum(); float avg = student.avg(); System.out.println("The "+student.getName()+"'s"+" sum is...