java多态数组

父类：

public class Person {   //父类
   private  String name;
    private int age;

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

    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 void say()
    {
        System.out.println(name+"t"+age);
    }
}

子类：

public class Student extends Person {
     private double score;

    public double getScore() {
        return score;
    }

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

    public Student(String name, int age, double score) {
        super(name, age);
        this.score = score;
    }

    @Override //重写注解
    public void say()
    {
        System.out.println(getName()+"t"+getAge()+"t"+score);
    }
    public void study()
    {
        System.out.println("学生"+getName()+"正在学习java");
    }
}

子类：

public class Teacher extends Person{
    private double salary;

    public Teacher(String name, int age, double salary) {
        super(name, age);
        this.salary = salary;
    }

    public double getSalary() {
        return salary;
    }

    public void setSalary(double salary) {
        this.salary = salary;
    }
    @Override
    public void say()
    {
        System.out.println(getName()+"t"+getAge()+"t"+salary);
    }
    public void teach()
    {
        System.out.println("老师"+getName()+"正在讲课");
    }


}

测试类：

public class Test {
    public static void main(String[] args) {
        //多态数组
        Person[] person = new Person[5]; //创建对象并实例化
        person[0] =  new Person("李白",18);
        person[1] =  new Student("韩信",99,88.8); //向上转型
        person[2] =  new Student("露娜",18,99.9);//向上转型
        person[3] =  new Teacher("老子",66,2000);//向上转型
        person[4] =  new Teacher("墨子",88,5000);//向上转型

        //循环遍历多态数组
        for(int i=0;i