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852天前import java.util.Scanner; |
public class Main{ |
public static void main(String[] args) { |
Scanner scan = new Scanner(System.in); |
double length = scan.nextDouble(); |
double wide = scan.nextDouble(); |
Rectangle r = new Rectangle(length,wide); |
System.out.printf("%.2f ",r.getPerimeter()); |
System.out.printf("%.2f",r.getArea()); |
System.out.println(); |
length = scan.nextDouble(); |
wide = scan.nextDouble(); |
double height = scan.nextDouble(); |
Cuboid c = new Cuboid (length, wide, height); |
System.out.printf("%.2f ",c.getPerimeter()); |
System.out.printf("%.2f ",c.getArea()); |
System.out.printf("%.2f",c.getVolume()); |
scan.close(); |
|
} |
} |
class Rectangle { |
private double length; |
private double wide; |
public Rectangle(double len, double wi) { |
length = len; |
wide = wi; |
} |
public double getLength() { |
return length; |
} |
public double getWide() { |
return wide; |
} |
public double getPerimeter() { |
return 2*(length + wide); |
} |
public double getArea() { |
return length*wide; |
} |
} |
class Cuboid extends Rectangle{ |
private double height; |
public Cuboid(double len, double wi, double hei) { |
super(len, wi); |
this.height = hei; |
} |
public double getPerimeter() { |
return 4*(super.getLength() + super.getWide() + height); |
} |
public double getArea() { |
return 2*(super.getLength()*super.getWide() + super.getLength()*height + super.getWide()*height); |
} |
public double getVolume() { |
return super.getLength()*super.getWide()*height; |
} |
} |
