Java

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;}@Overridepublic 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;}@Overridepublic 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();}
}