Assignment = Semester 1 Final

Code

  /// Name: Sam Wilson
  /// Period: 6
  /// Program Name: final1
  /// File Name: final1.java
  /// Date Finished: 1/22/16

  import java.util.Random;
  import java.util.Scanner;

        public class final1 
        {
            public static void main(String[] args) 
            {
            
                Random s = new Random();
                Scanner keyboard = new Scanner(System.in);
                
                System.out.println("Hello please choose the amount of flips you want between 1-2,100,000,000");
                System.out.print("> ");
                
                
                while (!keyboard.hasNextInt()) //Did research this prevents String codes
                {
                    keyboard.next();
                    System.out.println("Please enter a valid Input");
                    System.out.print("> "); 
                }
                
                int flips = keyboard.nextInt();
                System.out.println();
                while (flips > 2100000000 && 0 > flips)
                {
                    System.out.println("Please enter a valid Integer that falls within the provided range.");
                    System.out.print("> "); 
                    flips = keyboard.nextInt();
                }
                
                int n = 0;
                int h = 0;
                int t = 0;
                int rand;
                
                do
                {
                    rand = 1 + s.nextInt(2);  //used the basic .5 prob and a count to do the computer toss.
                    
                    if (rand == 1)
                    {
                        h++;
                        n++;
                    }
                    else if (rand == 2)
                    {
                        t++;
                        n++;
                    }
                }
                    while (flips != n);
                
                double probH = (double)h / flips;
                double probT = (double)t / flips;
                double perH = probH * 100;                
                                            // Wanted to prevent any errors in this process so split into two
                double perT = probT * 100;
                System.out.println();
                System.out.println("You rolled "+h+" heads and "+t+" tails.");
                System.out.println("Probability of Rolling Heads: "+perH+"%");
                System.out.println("Probability of Rolling Tails: "+perT+"%");
        
            }
        }
    


    

Picture of the output