1:是俩个构造函数么?2:public Point(int xx,int yy){setPoint(xx,yy);}是什么意识啊?class Point{protected int x,y;public Point(){}public Point(int xx,int yy){setPoint(xx,yy);}public void setPoint(int m,int n){x=m;y=n;}public int getX(){r
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/16 12:24:43
![1:是俩个构造函数么?2:public Point(int xx,int yy){setPoint(xx,yy);}是什么意识啊?class Point{protected int x,y;public Point(){}public Point(int xx,int yy){setPoint(xx,yy);}public void setPoint(int m,int n){x=m;y=n;}public int getX(){r](/uploads/image/z/8840446-70-6.jpg?t=1%EF%BC%9A%E6%98%AF%E4%BF%A9%E4%B8%AA%E6%9E%84%E9%80%A0%E5%87%BD%E6%95%B0%E4%B9%88%3F2%EF%BC%9Apublic+Point%28int+xx%2Cint+yy%29%7BsetPoint%28xx%2Cyy%29%3B%7D%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E8%AF%86%E5%95%8A%3Fclass+Point%7Bprotected+int+x%2Cy%3Bpublic+Point%28%29%7B%7Dpublic+Point%28int+xx%2Cint+yy%29%7BsetPoint%28xx%2Cyy%29%3B%7Dpublic+void+setPoint%28int+m%2Cint+n%29%7Bx%3Dm%3By%3Dn%3B%7Dpublic+int+getX%28%29%7Br)
1:是俩个构造函数么?2:public Point(int xx,int yy){setPoint(xx,yy);}是什么意识啊?class Point{protected int x,y;public Point(){}public Point(int xx,int yy){setPoint(xx,yy);}public void setPoint(int m,int n){x=m;y=n;}public int getX(){r
1:是俩个构造函数么?2:public Point(int xx,int yy){setPoint(xx,yy);}是什么意识啊?
class Point{
protected int x,y;
public Point(){}
public Point(int xx,int yy){setPoint(xx,yy);}
public void setPoint(int m,int n){x=m;y=n;}
public int getX(){return x;}
public int getY(){return y;}
}
我的意思是,为什么要定义成(int xx,int yy)而不是(int x,int y)
1:是俩个构造函数么?2:public Point(int xx,int yy){setPoint(xx,yy);}是什么意识啊?class Point{protected int x,y;public Point(){}public Point(int xx,int yy){setPoint(xx,yy);}public void setPoint(int m,int n){x=m;y=n;}public int getX(){r
是2个构造函数.一个默认的不带参.一个带参.
带参的接受2个参数.在调用setPoint给x,y赋值