有若干个直柱体（底面与柱面垂直），其底面可能是圆形、矩形。已知柱体的高度、圆的半径、矩形的宽和高。计算柱体的体积和表面积。

柱体（底面与柱面垂直），其底面可能是圆形、矩形。已知柱体的高度、圆的半径、矩形的宽和高。计算柱体的体积和表面积。"/>

有若干个直柱体（底面与柱面垂直），其底面可能是圆形、矩形。已知柱体的高度、圆的半径、矩形的宽和高。计算柱体的体积和表面积。

有若干个直柱体（底面与柱面垂直），其底面可能是圆形、矩形。已知柱体的高度、圆的半径、矩形的宽和高。计算柱体的体积和表面积。

public class test {public static void main(String[] args) {Rectcylinder rectcylinder=new Rectcylinder(3,4,5);CircleyCylinder cylinder=new CircleyCylinder(3,4);System.out.println(rectcylinder.toString());System.out.println("该矩形体的体积为："+ rectcylinder.v()+",面积为:"+rectcylinder.s());System.out.println(cylinder.toString());System.out.println("该圆柱体的体积为："+ cylinder.v()+",面积为:"+cylinder.s());}
}

 class Circle {private int r;private static double PI=3.14;public Circle() {}public Circle(int r) {this.r = r;}public int getR() {return r;}public void setR(int r) {this.r = r;}public String toString() {return "Circle{r = " + r + "}";}public double s(){return PI*r*r;}public double c(){return 2*PI*r;}
}

 class Rectangle {private int length;private int width;public Rectangle() {}public Rectangle(int length, int width) {this.length = length;this.width = width;}public int getLength() {return length;}public void setLength(int length) {this.length = length;}public int getWidth() {return width;}public void setWidth(int width) {this.width = width;}public String toString() {return "Rectangle{length = " + length + ", width = " + width + "}";}public int s(){return this.length*this.width;}public  int c(){return 2*(width+length);}
}

 class CircleyCylinder extends Circle{private int height;public CircleyCylinder() {}public CircleyCylinder(int r, int h) {setR(r);this.height = h;}public int getH() {return height;}public void setH(int h) {this.height = h;}public String toString() {return super.toString()+"CircleyCylinder{h = " + height + "}";}public double v(){return super.s()*height;}public double s(){return super.s()*2+super.c()*height;}
}

 class Rectcylinder extends Rectangle{private int height;public Rectcylinder() {}public Rectcylinder(int length,int width, int h) {setLength(length);setWidth(width);this.height = h;}public int getH() {return height;}public void setH(int h) {this.height = h;}public String toString() {return super.toString()+ "Rectcylinder{h = " + height + "}";}public int s(){return super.s()*2+super.c()*height;}public int v(){return super.s()*height;}}