getClass和hashCode方法

public class Student {
    private String name;
    private int age;

    public Student(String name, int 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 class Application   {
    public static void main(String[] args) {

        Student s1 = new Student("a",18);
        Student s2 = new Student("b",17);
        //getClass方法
        //判断s1和s2是不是同种类型
        Class<? extends Student> Class1 = s1.getClass();
        Class<? extends Student> Class2 = s2.getClass();
        if(Class1==Class2){
            System.out.println("s1和s2属于同种类型");
        }else{
            System.out.println("s1和s2不属于同种类型");
        }
        //s1和s2属于同种类型

        //hashCode方法
        System.out.println(s1.hashCode());//1324119927
        System.out.println(s2.hashCode());//990368553
        //s1和s2哈希值不同
    }
}