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  • java 内存分析之方法返回值二

    package Demo;
    
    class Point {
        private double x, y;
    
        public Point(double x, double y) {
            this.x = x;
            this.y = y;
        }
    
        public double getX() {
            return x;
        }
    
        public void setX(double x) {
            this.x = x;
        }
    
        public double getY() {
            return y;
        }
    
        public void setY(double y) {
            this.y = y;
        }
    }
    
    class Circle {
        private Point o;
        private double radius;
    
        Circle(Point p, double r) {
            o = p;
            radius = r;
        }
    
        Circle(double r) {
            o = new Point(0.0, 0.0);
            radius = r;
        }
    
        boolean contains(Point p) {
            double subtractX = p.getX() - o.getX();
            double subtractY = p.getY() - o.getY();
            double distance = (subtractX * subtractX) + (subtractY * subtractY);
            return distance < radius ? true : false;
        }
    
        public double area() {
            return 3.14 * radius * radius;
        }
    
        public Point getO() {
            return o;
        }
    
        public void setO(Point o) {
            this.o = o;
        }
    
        public double getRadius() {
            return radius;
        }
    
        public void setRadius(double radius) {
            this.radius = radius;
        }
    
    }
    
    public class TestCircle {
        public static void main(String[] args) {
            Circle c1 = new Circle(new Point(1.0, 2.0), 2.0);
            Circle c2 = new Circle(5.0);
            System.out.println("c1:(" + c1.getO().getX() + "," + c1.getO().getY() + "(," + c1.getRadius());
        }
    }
    源码

    内存分析:

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  • 原文地址:https://www.cnblogs.com/Mike_Chang/p/7003951.html
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