import java.util.Arrays;
import java.util.Scanner;public class Test
{
public static void main(String[] args)
{
Circle ci = new Circle(10.0);
Column co = new Column(10.0);
//System.out.println(ci.toString());
//System.out.println(co.toString());
}}class Circle
{
protected double radius;
public Circle(double radius)
{
this.radius = radius;
}
}class Column extends Circle
{
private double height;
public Column(double height)
{
this.height = height;
}
}结果编译报错了, 如下:
求高手指教。
非常感谢。
class Column extends Circle
{
private double height;
public Column(double height)
{
super(height);
this.height = height;
}
}