day05 面向对象 创建对象内存分析

面向对象

创建对象内存分析

package com.oop.demo03;public class Application {
    public static void main(String[] args) {
    Pet dog = new Pet();dog.name = "wawa";dog.age = 3;dog.shout();//叫了一声System.out.println(dog.name);//wawaSystem.out.println(dog.age);//3}
}

package com.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");}}