【opencv】教程代码 —features2D（7）根据单应性矩阵估计相机坐标系下的物体位姿...

1.学生和老师都会有work方法，学生的工作是学习，老师的工作是教书，我利用了一个接口来实现；
2.同时，老师和学生都是人，并且都有姓名，姓名，年龄和身高等特征，我用了一个继承来实现，子类对于父类有扩展，如老师有学工号，职称，专业和工资的特征以及批改作业的行为，学生有学号，年级，专业和成绩以及写作业的行为

package com.java.student;

public interface Work {
    public abstract void work();
}

package com.java.student;

public class Person {
    private String name;
    private String gender;
    private int age;
    private double height;

    public Person() {
    }

    public Person(String name, String gender, int age, double height) {
        this.name = name;
        this.gender = gender;
        this.age = age;
        this.height = height;
    }

    public String getName() {
        return name;
    }

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

    public String getGender() {
        return gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    public int getAge() {
        return age;
    }

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

    public double getHeight() {
        return height;
    }

    public void setHeight(double height) {
        this.height = height;
    }
}

package com.java.student;

public class Student extends Person implements Work{
    private String ID;
    private String grade;
    private String major;
    private double score;

    public Student() {
    }

    public Student(String name, String gender, int age, double height) {
        super(name, gender, age, height);
    }

    public Student(String ID, String grade, String major, double score) {
        this.ID = ID;
        this.grade = grade;
        this.major = major;
        this.score = score;
    }

    public Student(String name, String gender, int age, double height, String ID, String grade, String major, double score) {
        super(name, gender, age, height);
        this.ID = ID;
        this.grade = grade;
        this.major = major;
        this.score = score;
    }

    public String getID() {
        return ID;
    }

    public void setID(String ID) {
        this.ID = ID;
    }

    public String getGrade() {
        return grade;
    }

    public void setGrade(String grade) {
        this.grade = grade;
    }

    public String getMajor() {
        return major;
    }

    public void setMajor(String major) {
        this.major = major;
    }

    public double getScore() {
        return score;
    }

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

    @Override
    public void work() {
        System.out.println("学生在认真学习！！！");
    }

    public void write(){
        System.out.println("学生在认真写作业!");
    }
}

package com.java.student;

public class Teacher extends Person implements Work{
    private String ID;
    private String title;
    private String major;
    private double wage;

    public Teacher() {
    }

    public Teacher(String name, String gender, int age, double height) {
        super(name, gender, age, height);
    }

    public Teacher(String ID, String title, String major, double wage) {
        this.ID = ID;
        this.title = title;
        this.major = major;
        this.wage = wage;
    }

    public Teacher(String name, String gender, int age, double height, String ID, String title, String major, double wage) {
        super(name, gender, age, height);
        this.ID = ID;
        this.title = title;
        this.major = major;
        this.wage = wage;
    }

    public String getID() {
        return ID;
    }

    public void setID(String ID) {
        this.ID = ID;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getMajor() {
        return major;
    }

    public void setMajor(String major) {
        this.major = major;
    }

    public double getWage() {
        return wage;
    }

    public void setWage(double wage) {
        this.wage = wage;
    }

    @Override
    public void work() {
        System.out.println("老师正在认真教学生！！！");
    }
    public void correct(){
        System.out.println("老师正在认真批改学生的作业！");
    }
}

package com.java;

import com.java.student.Person;
import com.java.student.Student;
import com.java.student.Teacher;

public class Main {
    public static void main(String[] args) {

        Person stu = new Student("张三","男",18,188);
        System.out.println("姓名：" + stu.getName() +" 性别：" + stu.getGender() + " 年龄：" + stu.getAge() + " 身高：" + stu.getHeight());
        ((Student) stu).work();


        Student stu1 = new Student("1001","大一","食品专业",88);
        stu1.setName("舒望");
        System.out.print("姓名：" + stu1.getName());
        System.out.println(" 学号：" + stu1.getID() + " 年级：" + stu1.getGrade() + " 专业：" + stu1.getMajor() +" 分数：" + stu1.getScore());
        stu1.write();

        Person tec = new Teacher("莉莉","女",58,163);
        System.out.println("姓名：" + stu.getName() +" 性别：" + stu.getGender() + " 年龄：" + stu.getAge() + " 身高：" + stu.getHeight());

        Teacher tec1 = new Teacher("2014","副教授","马克思学院",8888);
        tec1.setName("王五");
        System.out.print("姓名：" + tec1.getName());
        System.out.println(" 职工号：" + tec1.getID() + " 职称：" + tec1.getTitle() + " 专业：" + tec1.getMajor() +" 薪水：" + tec1.getWage());
        tec1.work();
        tec1.correct();
    }
}

结果展示：