创建对象内存分析

package oop.demo01;

public class Pet {

    public String name;
    public int age;
    //无参构造
    public void shout(){
        System.out.println("叫了一声");
    }
}

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package oop.demo01;
//一个项目应该只存在一个main方法
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);


        Pet cat = new Pet();

    }
}

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