把业绩最低的两个员工删除

package com.xinzhi.api;

import java.util.Objects;

public class Staff {
    private String name;
    private int age;
    private int score;

    public Staff() {
    }

    public Staff(String name, int age, int score) {
        this.name = name;
        this.age = age;
        this.score = score;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public int getScore() {
        return score;
    }

    public void setScore(int score) {
        this.score = score;
    }

    @Override    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Staff staff = (Staff) o;
        return age == staff.age &&
                score == staff.score &&
                Objects.equals(name, staff.name);
    }

    @Override    public int hashCode() {
        return Objects.hash(name, age, score);
    }

    @Override    public String toString() {
        return "Staff{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", score=" + score +
                '}';
    }
}

package com.xinzhi.list;

import java.util.ArrayList;
import java.util.Comparator;
//把业绩最不好的两个员工给删了public class Test01 {
    public static void main(String[] args) {
        ArrayList<Staff> staffs = new ArrayList<>();
        Staff staff1 = new Staff("张三", 18, 65);
        Staff staff2 = new Staff("李四", 20, 80);
        Staff staff3 = new Staff("王五", 32, 70);
        Staff staff4 = new Staff("赵六", 45, 60);

        staffs.add(staff1);
        staffs.add(staff2);
        staffs.add(staff3);
        staffs.add(staff4);

        System.out.println(staffs);
       //剩下的打不出来了
        staffs.sort(new Comparator<Staff>() {
            @Override            public int compare(Staff o1, Staff o2) {
                return o2.getScore()-o1.getScore();
            }
        });
        System.out.println(staffs);
        staffs.remove(staffs.size() - 1);
        staffs.remove(staffs.size() - 1);
        System.out.println(staffs);

    }
}