创建对象内存分析

public class Pet {
    public String name;
    public int age;

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

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();
    }
}

输出结果

叫了一声
旺财
3

内存分析图

狂神说java