程序执行过程的内存分析

package com.wzh.dbstudy;

/**
 * Created by HP on 2018/1/17.
 *
 * @author by wangWei
 */

public class Student {
    //静态的数据
    String name;
    int id;
    int age;
    String gender;
    int weight;

    //动态的行为
    public void study() {
        System.out.println(name + "在学习");
    }

    public void sayHello(String sname) {
        System.out.println(name + "向" + sname + "say  hello");
    }


    public static void main(String[] args) {

        Student s1 = new Student();

        s1.name = "学生1";
        s1.study();
        s1.sayHello("某人");

        Student s2 = new Student();
        s2.age = 18;
        s2.name = "学生2";

    }
}

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