Java——教师类

设计一个教师类Teacher,要求：
属性有编号（int no）、姓名（String name）、年龄（int age）、所属学院（String seminary），为这些属性设置相应的get和set方法。
为Teacher类重写equals方法，要求：当两个教师对象的no相同时返回true。
重写Teacher类的toString方法，通过该方法可以返回“no: **, name:**, age: **, seminary: **”形式的字符串。

两个教师对象的编号，姓名，年龄，学院

教师的信息
两个教师是否相等

1 Linda 38 SoftwareEngineering
2 Mindy 27 ComputerScience

no: 1, name:Linda, age: 38, seminary: SoftwareEngineering
no: 2, name:Mindy, age: 27, seminary: ComputerScience
false

import java.util.Scanner;

public class Main{

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        int no1 = scan.nextInt();

        String name1 = scan.next();

        int age1 = scan.nextInt();

        String semi1 = scan.next();

        

        Teacher teacher1 = new Teacher(no1,name1,age1,semi1);

        System.out.println(teacher1);

        

        int no2 = scan.nextInt();

        String name2 = scan.next();

        int age2 = scan.nextInt();

        String semi2 = scan.next();

        

        Teacher teacher2 = new Teacher(no2,name2,age2,semi2);

        System.out.println(teacher2);

        

        System.out.println(teacher1.equals(teacher2));

        

    }

    

}

class Teacher {

    private int no;

    private String name;

    private int age;

    private String seminary;

    

    public Teacher(int no,String name, int age, String seminary) {

        this.no = no;

        this.name = name;

        this.age = age;

        this.seminary = seminary;

    }

    public void setNo(int n) {

        no = n;

    }

    public void setName(String na) {

        name = na;

    }

    public void setAge(int a) {

        age = a;

    }

    public void setSeminary(String s) {

        seminary = s;

    }

    public int getNo() {

        return no;

    }

    public String getName() {

        return name;

    }

    public int getAge() {

        return age;

    }

    public String getSeminary() {

        return seminary;

    }

    public boolean equals(Object o) {

        if(o == null)

        {

            return false;

        }

        else if(o instanceof Teacher)

        {

            Teacher t = (Teacher)o;

            if(this.no == t.no && this.age == t.age && this.name.equals(t.name) && this.seminary.equals(t.seminary))

            {

                return true;

            }

        }

        return false;

        

    }

    public String toString() {

        return "no: "+this.no +", name:"+this.name+", age: "+this.age+", seminary: "+this.seminary;

        

    }

}