创建对象内存分析

package zaiyang.oop.demo03;

public class Pet {
    public String name;
    public int age;
    //无参构造

    public void shout(){
        System.out.println("叫了一声");

    }
}

package zaiyang.oop.demo03;

public class Application {
    public static void main(String[] args) {

        Pet dog = new Pet();
        dog.name = "旺财";
        dog.age = 3;
        dog.shout();

        System.out.println(dog.name);
        System.out.println(dog.age);
    }
}