Cộng đồng Hỏi & Đáp của Inflearn

package sec02;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class PhoneBook {

    static Person[] members = new Person[100];
    static int count = 0;

    public static void main(String[] args) {

        try {
            Scanner in = new Scanner(new File("./Chapter1/input.txt"));
            
            while(in.hasNext()) {
                members[count] = new Person();
                members[count].name = in.next();
                members[count].number = in.next();
                count++;
                System.out.println(count + members[count].name + members[count].number);
            }

            in.close();

        } catch (FileNotFoundException e) {
            System.out.println("No file");
            return;
        }

        bubbleSort();

        for (int i = 0; i < count; i++)
            System.out.println(members[i].name + " : " + members[i].number);
    }

    static void bubbleSort() {
        for (int i = count-1; i > 0; i--)
            for (int j = 0; j < i; j++)
                if (members[j].name.compareToIgnoreCase(members[j+1].name) > 0) {
                    Person tmp = members[j]; members[j] = members[j+1]; members[j+1] = tmp;
                }
    }
}

위와 같이 코드를 작성했는데요, 실행해보면 

1Susan01087945123

2Han01085462316

3Kim01012345678

4Lee01098765432

5Park01078965412

Park : 01078965412

Park : 01078965412

Park : 01078965412

Park : 01078965412

Park : 01078965412

Process finished with exit code 0

이렇게 출력할 때 마지막 값이 덮어씌워져서 나옵니다. while문에서 객체 생성하고 값 대입하는 것까지는 정상적으로 된 것 같은데, 덮어씌운 것 같은 결과가 나타나는 이유가 무엇일까요?