内存练习 - 循环Q37 E02

从 Main 的 run 方法 开始绘制内存

在每个检查点，检查你画的内存是否跟答案一致

练习 1

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public class Point {    public int x;    public int y;     public Point() {    }     public Point(int x, int y) {        this.x = x;        this.y = y;    }}

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public class Driver {    public static void main(String[] args) {        Point current = null;        for (int i = 0; i < 3; i++) {            current = new Point(i, i);        }        // 检查点    }}

检查点 答案

练习 2

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public class Point {    public int x;    public int y;     public Point() {    }     public Point(int x, int y) {        this.x = x;        this.y = y;    }}

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public class Driver {    public static void main(String[] args) {        Point current = new Point(0, 0;;        for (int i = 0; i < 3; i++) {            current.x = i;            current.y = i;        }        // 检查点    }}

检查点 答案