Pyramid/Pyramid.java at master · LeandroEstevez/Pyramid · GitHub

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package pyramidcalculator;

/**
 * Create a pyramid and manipulate its properties.
 * @author leandroestevez
 */
public class Pyramid {

    private double baseWidth;
    private double height;

    /**
     * Constructs a default pyramid.
     */
    public Pyramid() {

        baseWidth = 50;
        height = 100;

    }

    /**
     * Constructs a pyramid with a specific width and height.
     * @param baseWidth width of the base.
     * @param height height of the pyramid.
     */
    public Pyramid(double baseWidth, double height) {

        this.baseWidth = baseWidth;
        this.height = height;

    }

    /**
     * Calculates the volume of the pyramid.
     * @return the volume of the pyramid.
     */
    public double volume() {

        double volume;

        volume = (Math.pow(baseWidth, 2) * height)/3;

        return volume;

    }

    /**
     * Calculates the surface area of the pyramid.
     * @return the surface area of the pyramid.
     */
    public double surfaceArea() {

        double surfaceArea;

        surfaceArea = 2 * baseWidth * calculateS() + Math.pow(baseWidth, 2);

        return surfaceArea;

    }

    /**
     * Calculates the S of the pyramid.
     * @return the S of the pyramid.
     */
    private double calculateS() {

        double s = Math.sqrt(Math.pow(baseWidth/2, 2) + Math.pow(height, 2));

        return s;

    }

    /**
     * Sets the base width of the pyramid.
     * @param baseWidth base width of the pyramid.
     */
    public void setBaseWidth(double baseWidth) {

        this.baseWidth = baseWidth;

    }

    /**
     * Sets the height of the pyramid.
     * @param height height of the pyramid.
     */
    public void setHeight(double height) {

        this.height = height;

    }

    /**
     * Gets the base width of the pyramid.
     * @return the base width of the pyramid
     */
    public double getBaseWidth() {

        return baseWidth;

    }

    /**
     * Gets the height of the pyramid.
     * @return the height of the pyramid
     */
    public double getHeight() {

        return height;

    }

}