创建对象内存分析

创建对象内存分析

Application.java

package com.oop;  import com.oop.demo03.Pet;  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();     } }  

Pet.java 模板

package com.oop.demo03;  public class Pet {      public String name;//默认为null     public int age;//默认为0      //无参构造      public void shout(){         System.out.println(叫了一声);     } }