다시 한번 Has~a

import java.util.Scanner;
 
public class Day10_03 {
 
    public static void main(String[] args) {
 
        Cl[] cl;
        int n1;
        int n2;
 
        System.out.println("=== Score Management ===");
        Scanner sc = new Scanner(System.in);
 
        System.out.println("몇 반을 입력할까요? : ");
        n1 = sc.nextInt();
        cl = new Cl[n1];
 
        for (int i = 0; i < n1; i++) {
 
            System.out.println(i + 1 + "반 학생 수를 입력하세요 :");
            n2 = sc.nextInt();
            cl[i] = new Cl(n2);
            cl[i].setData();    
        }
        
 
        // display
        for(int i=0 ; i< n1; i++) {
            System.out.println("--- "+(i+1)+"반 ---");
            cl[i].getData();
            
            
        }
    }
 
}
 

 

import java.util.Scanner;
 
class Cl {
 
    private Name[] name;
    private Score[][] score;
    private int[] sum;
    private float[] avg;
 
    public Cl(int num) {
 
        name = new Name[num];
        score = new Score[num][3];
        sum = new int[num];
        avg = new float[num];
 
        for (int i = 0; i < name.length; i++) {
 
            name[i] = new Name();
            for(int j=0; j<score[i].length; j++) {
                score[i][j]=new Score();
                
                
            }
            sum[i] = 0;
            avg[i] = 0;
        }
 
    }
 
    public void setData() {
        Scanner sc = new Scanner(System.in);
 
        for (int i = 0; i < name.length; i++) {
            System.out.println(i + 1 + "번째 학생 이름을 입력하세요:");
            name[i].setName(sc.next());
 
            for (int j = 0; j < score[i].length; j++) {
                System.out.println(i + 1 + "번째 학생 점수(국,영,수)를 입력하세요");
                score[i][j].setScore(sc.nextInt());
                sum[i] += score[i][j].getScore();
            }
 
            avg[i] = sum[i] / 3.f;
 
        }
 
    }
 
    public void getData() {
        for (int i = 0; i < name.length; i++) {
 
            System.out.println("이름 :"+name[i].getName());
 
            for (int j = 0; j < score[i].length; j++) {
 
                System.out.println("국영수 점수 :"+score[i][j].getScore());
 
            }
            System.out.println("총점 :"+sum[i]);
            System.out.println("평균 :"+avg[i]);
 
        }
 
    }
 
}
 

 

 
class Name {
 
    private String name;
 
    public void setName(String name) {
        this.name = name;
 
    }
 
    public String getName() {
 
        return name;
 
    }
 
}