Java——自定义类数组初始化

import java.util.Scanner;

class grade{
	public int score ;
	public int credit;
	private static Scanner scan  = new Scanner(System.in);
	public void input() {
        	score = scan.nextInt();
        	credit = scan.nextInt();
        }
	public void output() {
		System.out.print(score);
		System.out.print(credit);
		System.out.print('\n');
	}
}
public class Q3 {
	private static Scanner scan;
	public static void main(String[] args) {
        scan = new Scanner(System.in);
        grade grades[] = new grade[100];
        System.out.print("input the number\n");
        int n,i;
        n = scan.nextInt();
        for(i=0;i<n;i++)
        {
        	grades[i]= new grade();
        	grades[i].input();
        }
        for(i=0;i<n;i++)
        {
        	grades[i].output();
        }
    }
}