java - 用户使用扫描仪和阵列进行多个输入

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我正在尝试编写一个程序，该程序依赖于用户输入来创建学生及其分数。

import java.util.Scanner;

public class Marks {
public static void main(String[] args) {


    Scanner sc = new Scanner(System.in);
    System.out.print("How many students are there? ");
    int n = sc.nextInt();
    String [] student = new String[n];   

    for(int i = 0; i <student.length; i++){
        int nextI = i + 1;
        System.out.print("Enter name of student " + nextI + ": ");
        student[i] = sc.next();

}

我的目标是让程序在用户输入学生姓名后提示一条消息“输入分数:”，但找不到任何网站/帖子来帮助我做到这一点。

Answer 1

您可以使用另一个标记数组并将标记存储在另一个数组中。以下代码可能会有所帮助。

Scanner sc = new Scanner(System.in);
        System.out.print("How many students are there? ");
        int n = sc.nextInt();
        String [] student = new String[n];   
        String [] marks =new String[n]; // use another array to store marks

        for(int i = 0; i <student.length; i++){
            int nextI = i + 1;
            System.out.print("Enter name of student " + nextI + ": ");
            student[i] = sc.next();
            System.out.print("Enter Marks for " + student[i] + ": ");
            marks[i]= sc.next(); // store marks for the student
        }
        System.out.println("StudentName      Marks");
        for(int i=0;i<student.length;i++) {
            System.out.println(student[i]+"                "+marks[i]);
        }

输出:

How many students are there? 2
Enter name of student 1: back
Enter Marks for back: 20
Enter name of student 2: door
Enter Marks for door: 30
StudentName      Marks
back                20
door                30

这可以通过Map更有效地完成。自己探索一下，了解更多关于Map的知识尝试使用Map来实现上面的代码