import java.awt.Color;
import java.text.DecimalFormat;

import uwcse.graphics.Oval;

public class Arithmetic {
	
	/** 
	 * Write a method that takes an Oval (which is a circle)
	 * and returns its area
	 */
	public double ovalArea(Oval o) {
		int radius = o.getHeight()/2;
		double area = Math.PI * radius * radius;
		return area;
		// double area = Math.PI * Math.pow(radius, 2);
		/*
		 * To compute a power
		 * Math.pow(x,y) computes x to the yth power
		 */
	}
	
	public static void main(String[] args) {
		Arithmetic a = new Arithmetic();
		Oval o = new Oval(10, 10, 50, 50, Color.BLUE, true);
		double area = a.ovalArea(o);
		System.out.println(area);
		// or to print to 2 decimal places
		// use the DecimalFormat class 
		// (in the java.text package)
		DecimalFormat df = new DecimalFormat("0.00");
		System.out.println(df.format(area));
		
		// throw of a die
		// Generate a random int = 1,2,3,4,5 or 6
		int val = (int)(6 * Math.random()) + 1;
	}
}