table.java

有关java学习技巧的课件

public class Table implements Cloneable {// 要操作Cloneable
    private Point center;

    public void setCenter(Point center) {
        this.center = center;
    }
    public Point getCenter() {
        return center;
    }

    public Object clone () 
                     throws CloneNotSupportedException {
        // 调用父类的clone()来复制
        Table table = (Table) super.clone();

        if(this.center != null) {
            // 复制Point类型的数据成员
            table.center = (Point) center.clone(); 
        }
        
        return table; 
    }
}