Java 反射 Reflection

package com.chenxb.myReflection;

public class testReflection {
    public static void main(String[] args) throws ClassNotFoundException {
        //方式一：类名。class
        Class c1 = People.class;
        //方式二
        Class c2 = Class.forName("com.chenxb.myReflection.People");
        //方式三
        Class c3 = new People("chen", 18).getClass();

        System.out.println(c1.hashCode());
        System.out.println(c2.hashCode());
        System.out.println(c3.hashCode());
    }
}

class People {
    String name;
    int age;

    public People(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;
    }

    @Override
    public String toString() {
        return "People{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}