java中有关类数组定义问题

Posted 2020-12-19 小胡0602

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package ahaAlgorithm.chapter1;

import java.util.Scanner;

/**
 * 
 * @Title: BubbleSort1.java
 * @Package ahaAlgorithm.chapter1
 * @Description: TODO(类在排序中的应用)
 * @author YoungSone
 * @date 2020年7月29日 上午10:03:09
 * @version V1.0
 */
public class BubbleSort1 {
    private static Scanner in;

    public static void main(String[] args) {

        Student t = new Student();
        int i, j, n, score;
        String name;
        in = new Scanner(System.in);
        System.out.println("有多少人参加？");
        n = in.nextInt();
        Student[] student = new Student[n];//定义Student类数组
        for (i = 0; i < n; i++) {
            student[i]=new Student(); //new Student类
            student[i].setName(in.next());
            student[i].setScore(in.nextInt());
        }
        for (i = 0; i < n - 1; i++) {
            for (j = 0; j < n - 1 - i; j++) {
                if (student[j].getScore() > student[j + 1].getScore()) {
                    t = student[j];
                    student[j] = student[j + 1];
                    student[j + 1] = t;
                }
            }
        }
        for (Student s : student) {
            System.out.println(s.getName() + " " + s.getScore());
        }

    }
}
class Student{
    private String name;
    private int score;
    
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getScore() {
        return score;
    }
    public void setScore(int score) {
        this.score = score;
    }
    
}