创建对象内存分析

package com.oop.demo03;
 ​
 public class Pet {
     public String name;
     public int age;
 ​
     public void shout(){
         System.out.println("叫了一声");
     }
 }
 /*
 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);
     }
  */