Given the Solid class, extend it with: Pyramid Cylinder RectangularPrism Sphere Make sure to create the constructor and override the volume and surfaceArea methods. Also extend RectangularPrism with Cube. HINT: You can look up formulas for how to compute the volume and surface area of a certain type of shape online. ========================================== public class SolidTester { public static void main(String[] args) { String name; double volume; double surfaceArea; // Pyramid constructor should take name, length, width, height // in that order Pyramid pyramid = new Pyramid("My pyramid", 1, 3, 5); name = pyramid.getName(); volume = round(pyramid.volume(), 2); surfaceArea = round(pyramid.surfaceArea(), 2); System.out.println("Pyramid '" + name + "' has volume: " + volume + " and surface area: " + surfaceArea + "."); // Sphere constructor should take name then radius Sphere sphere = new Sphere("My sphere", 4); name = sphere.getName(); volume = round(sphere.volume(), 2); surfaceArea = round(sphere.surfaceArea(), 2); System.out.println("Sphere '" + name + "' has volume: " + volume + " and surface area: " + surfaceArea + "."); // RectangularPrism constructor should take name, // length, width, height in that order RectangularPrism rectangularPrism = new RectangularPrism("My rectangular prism", 5, 8, 3); name = rectangularPrism.getName(); volume = round(rectangularPrism.volume(), 2); surfaceArea = round(rectangularPrism.surfaceArea(), 2); System.out.println("RectangularPrism '" + name + "' has volume: " + volume + " and surface area: " + surfaceArea + "."); // Cylinder constructor should take name, radius, height // in that order Cylinder cylinder = new Cylinder("My cylinder", 4, 9); name = cylinder.getName(); volume = round(cylinder.volume(), 2); surfaceArea = round(cylinder.surfaceArea(), 2); System.out.println("Cylinder '" + name + "' has volume: " + volume + " and surface area: " + surfaceArea + "."); // Cube constructor should take name then side length Cube cube = new Cube("My cube", 4); name = cube.getName(); volume = round(cube.volume(), 2); surfaceArea = round(cube.surfaceArea(), 2); System.out.println("Cube '" + name + "' has volume: " + volume + " and surface area: " + surfaceArea + "."); } public static double round(double value, int places) { if (places < 0) throw new IllegalArgumentException(); long factor = (long) Math.pow(10, places); value = value * factor; long tmp = Math.round(value); return (double) tmp / factor; } } ========================================== public class RectangularPrism extends Solid { // Code goes here } ========================================== import java.lang.Math; public class Sphere extends Solid { // Code goes here } ========================================== import java.lang.Math; public class Pyramid extends Solid { // Code goes here } ========================================== public class Cube extends RectangularPrism { // Code goes here } ========================================== public class Solid { private String myName; public Solid(String name) { myName = name; } public String getName() { return myName; } // This should be overriden in the subclass public double volume() { return 0; } // This should be overriden in the subclass public double surfaceArea() { return 0; } } ========================================== import java.lang.Math; public class Cylinder extends Solid { // Code goes here }
Given the Solid class, extend it with:
Pyramid Cylinder RectangularPrism Sphere
Make sure to create the constructor and override the volume and surfaceArea methods.
Also extend RectangularPrism with Cube.
HINT: You can look up formulas for how to compute the volume and surface area of a certain type of shape online.
==========================================
public class SolidTester
{
public static void main(String[] args)
{
String name;
double volume;
double surfaceArea;
// Pyramid constructor should take name, length, width, height
// in that order
Pyramid pyramid = new Pyramid("My pyramid", 1, 3, 5);
name = pyramid.getName();
volume = round(pyramid.volume(), 2);
surfaceArea = round(pyramid.surfaceArea(), 2);
System.out.println("Pyramid '" + name + "' has volume: " + volume +
" and surface area: " + surfaceArea + ".");
// Sphere constructor should take name then radius
Sphere sphere = new Sphere("My sphere", 4);
name = sphere.getName();
volume = round(sphere.volume(), 2);
surfaceArea = round(sphere.surfaceArea(), 2);
System.out.println("Sphere '" + name + "' has volume: " + volume +
" and surface area: " + surfaceArea + ".");
// RectangularPrism constructor should take name,
// length, width, height in that order
RectangularPrism rectangularPrism = new RectangularPrism("My rectangular prism",
5, 8, 3);
name = rectangularPrism.getName();
volume = round(rectangularPrism.volume(), 2);
surfaceArea = round(rectangularPrism.surfaceArea(), 2);
System.out.println("RectangularPrism '" + name + "' has volume: " +
volume + " and surface area: " + surfaceArea + ".");
// Cylinder constructor should take name, radius, height
// in that order
Cylinder cylinder = new Cylinder("My cylinder", 4, 9);
name = cylinder.getName();
volume = round(cylinder.volume(), 2);
surfaceArea = round(cylinder.surfaceArea(), 2);
System.out.println("Cylinder '" + name + "' has volume: " + volume +
" and surface area: " + surfaceArea + ".");
// Cube constructor should take name then side length
Cube cube = new Cube("My cube", 4);
name = cube.getName();
volume = round(cube.volume(), 2);
surfaceArea = round(cube.surfaceArea(), 2);
System.out.println("Cube '" + name + "' has volume: " + volume +
" and surface area: " + surfaceArea + ".");
}
public static double round(double value, int places) {
if (places < 0) throw new IllegalArgumentException();
long factor = (long) Math.pow(10, places);
value = value * factor;
long tmp = Math.round(value);
return (double) tmp / factor;
}
}
==========================================
public class RectangularPrism extends Solid
{
// Code goes here
}
==========================================
import java.lang.Math;
public class Sphere extends Solid
{
// Code goes here
}
==========================================
import java.lang.Math;
public class Pyramid extends Solid
{
// Code goes here
}
==========================================
public class Cube extends RectangularPrism
{
// Code goes here
}
==========================================
public class Solid
{
private String myName;
public Solid(String name)
{
myName = name;
}
public String getName()
{
return myName;
}
// This should be overriden in the subclass
public double volume()
{
return 0;
}
// This should be overriden in the subclass
public double surfaceArea()
{
return 0;
}
}
==========================================
import java.lang.Math;
public class Cylinder extends Solid
{
// Code goes here
}
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