Assignment Final Exam Program

Code

    /// Name: Matthew Lorence
    /// Period: 5
    /// Program Name: Coin Flip Final
    /// File Name: CoinFlipFinal.java
    
    import java.util.Scanner;
    import java.util.Random;
    
    public class CoinFlipFinal
    {
        public static void main(String[] args)
        {
            Scanner keyboard = new Scanner(System.in);
            Random r = new Random();
            
            int flips, outcome, addflips, heads, tails;
            addflips = 0; //Used to add up total number of flips until it is equal to the flips the user wanted.
            heads = 0; // Start off with 0 heads flipped.
            tails = 0; // Start off with 0 tails flipped.
            
            System.out.println("How many times do you want to flip the coin? (Pick from 1 to 2.1 billion)");
            flips = keyboard.nextInt();
            
            while (addflips != flips) // Use while to keep flipping the coin until the number of flips is equal to the number of flips the user wanted.
            {
                outcome = r.nextInt(2); 
                if (outcome==0) // Adds to the total number of tails if the if statement is true.
                {
                    tails++;
                }
                else if (outcome==1) //Adds to the total number of heads if the else if statement is true.
                {
                    heads++;
                }
                addflips++; // Adds up total of flips done through random number generator.
            }
            
            System.out.println("Tails: " + tails);
            System.out.println("Heads: " + heads);
            
            double probtails = (double)tails / flips;
            System.out.println("Probability of tails: " + probtails);
            
            double probheads = (double)heads / flips;
            System.out.println("Probability of heads: " + probheads);
            // The consistent number of flips needed to get to as close to 50% chance for heads or tails is infinity, but in the case of an interger which maxes out 2,100,000,000, 2,100,000,000
            would be the number needed to get as close to 50% chance as possible for heads and tails.      
        }
    }        
        
        
        
    

Picture of the output

Assignment Final