转储java对象的属性

import java.lang.reflect.Field;

public class ReflectionExample {
    public static void main(String[] args) {
        MyClass obj = new MyClass();
        obj.setName("John");
        obj.setAge(30);

        System.out.println("Before reflection:");
        System.out.println("Name: " + obj.getName());
        System.out.println("Age: " + obj.getAge());

        try {
            Class<?> clazz = obj.getClass();
            Field[] fields = clazz.getDeclaredFields();

            for (Field field : fields) {
                field.setAccessible(true);
                System.out.println(field.getName() + ": " + field.get(obj));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class MyClass {
    private String name;
    private 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;
    }
}

Before reflection:
Name: John
Age: 30
name: John
age: 30