圆锥低圆的半径为5高为10。
要求：
①在自定义包中定义圆锥类
②在应用程序中创建圆锥对象并在构造函数中对其低园半径和高赋值，计算体积，并在应用程序中输出。
package cn.sc.as;
public class Conus {
double PI=3.14;
double r;
double high;
double volume;
public double getR() {
return r;
}
public void setR(double r) {
this.r = r;
}
public double getHigh() {
return high;
}
public void setHigh(double high) {
this.high = high;
}
public double setVolume(double r,double high) {
double volume = (PI*r*r)*high/3;
return volume;
}
}
package cn.sc.as;
public class ConusTest {
public static void main(String[] args) {
Conus couns = new Conus();
double a = couns.setVolume(5,10);
System.out.println("圆锥体积为："+a);
}
}