Java内存分析

package com.wang.reflection;

public class Test05 {
    public static void main(String[] args) {
        A a = new A();
        System.out.println(A.m);
    }
}

class A{
    static{
        System.out.println("A类静态代码块初始化");
        m = 300;
    }

    static int m =100;

    public A(){
        System.out.println("A类的无参构造初始化");
    }
}