java 内存分析之构造方法执行过程

package Demo;

public class BirthDate {

    private int day;

    private int month;

    private int year;

    public BirthDate(int d, int m, int y) {

        day = d;

        month = m;

        year = y;

    }

}

java bean

package Demo;

public class Demo {

    public static void main(String[] args) {

        BirthDate d1 = new BirthDate(7, 7, 1970);

    }

}

测试类

内存分析图：