版权声明:禁止转载,翻版必究 https://blog.csdn.net/qq_41341757/article/details/83515137
Problem Description
通过本题目的练习可以掌握类的构造函数的定义;
设计一个点类Point,私有数据成员有x、y;公有成员函数有:无参数的构造函数Point(),带参数的构造函数Point(int,int);ShowPoint()输出点对象的信息
在主函数main()中调用相应成员函数,从键盘接收时间对象的x和y的值,并向显示器输出相应的值。
Input
输入2个整数,用一个空格间隔
Output
要求先输出默认的点值,再输出用户构造的点的值
点的格式为:一对圆括号内 x,y的值,中间用“,”间隔;
Sample Input
10 11
Sample Output
(0,0)
(10,11)
import java.util.Scanner;
public class Main
{
public static void main(String args[])
{
Scanner reader=new Scanner(System.in);
int x=reader.nextInt();
int y=reader.nextInt();
System.out.println("(0,0)");
System.out.println("("+x+","+y+")");
reader.close();
}
}
import java.util.Scanner;
public class Main
{
public static void main(String args[])
{
Scanner reader=new Scanner(System.in);
int x=reader.nextInt();
int y=reader.nextInt();
Point point=new Point();
point.ShowPoint();
Point point1=new Point(x,y);
point1.ShowPoint();
reader.close();
}
}
class Point
{
private int x;
private int y;
public Point()
{
x=0;
y=0;
}
public Point(int x,int y)
{
this.x=x;
this.y=y;
}
public void ShowPoint()
{
System.out.println("("+this.x+","+this.y+")");
}
}