java 記憶體分析之二

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package Demo;public class Point {    private double x, y, z;    public Point(double _x, double _y, double _z) {        x = _x;        y = _y;        z = _z;    }    public void setX(double _x) {        x = _x;    }    public double getPointDistance(Point p) {        return (p.x - x)*(p.x - x) + (p.y - y)*(p.y - y) + (p.z - z)*(p.z - z);    }    public static void main(String[] args) {        Point p = new Point(1.0, 2.0, 3.0);        Point p1 = new Point(0.0, 0.0, 0.0);        System.out.println(p.getPointDistance(p1));                p.setX(3.0);        System.out.println(p.getPointDistance(new Point(1.0,1.0,1.0)));    }}

源碼

記憶體分析圖：

 

java 記憶體分析之二