Assignment: Semester One Final

Code

                        /// Name: Graham Pollock
                        /// Period: 5
                        /// Program Name: Final Project 1
                        /// File Name: FinalProj1.java
                        /// Date Finished: 1/20/2016/
                        
                        
    import java.util.Random;
    import java.util.Scanner;
    
    public class FinalProj1
    {
            public static void main( String[] args )
            {
                    Scanner keyboard = new Scanner(System.in);
                    Random rng = new Random();
                    
                int AnotherOne = 0;
                int flips, Heads, Tails;
                
                Heads = 0;
                Tails = 0;
                
                //initialize integers
                System.out.print( "How Many times would you like to flip?   " );
            	flips = keyboard.nextInt();
                
                while ( flips < 1 || flips > 2100000000 )
            {
                System.out.println("Sorry... Your number was ");
                
                if ( flips < 1 )
                {
                    System.out.println("too small.");
                }
                else if ( flips > 2100000000 )
                {
                    System.out.println("too large.");
                }
                
                System.out.println("Please select a number between 1 and 2,100,000,000.");
                flips = keyboard.nextInt();
            }
                
                
                do
                {
                    int flip = rng.nextInt(2);
                    String coin;
    
                    if ( flip == 1 )
                    {
                        coin = "Heads";
                    AnotherOne++; //keep track of total flips
                    Heads++; //keep track of heads
                    }
                    else 
                    {
                        coin = "Tails";
                        AnotherOne++; //keep track of total flips
                        Tails++; //keep track of heads
                    }
                    System.out.println ( "The coin flips and is... " + coin );    
                } while ( AnotherOne < (flips) ); //total flips can not be more than flips requested.
                                                  //while loop to repete the flips.
            double probofheads = (double)Heads / flips;
            double proboftails = (double)Tails / flips;
                //find mathmatical probablility 
                
            double percentheads = (probofheads * 100);
            double percenttails = (proboftails * 100);  
                //make probablitlity into percentage
                    System.out.println("There were " + Heads + " Heads flipped and " + Tails + " Tails flipped."); //count total heads and tails
                    System.out.println("The Probablity of getting Heads was " + percentheads +"%"); 
                    System.out.println("The Probablity of getting Tails was " + percenttails +"%");    
                            //percentage heads and tails out of flips
     //The consistant number or numbers needed to get as close to a 50 percent probability is 10 or are exponents of 10 due to the fact that the percentage of an occurance is out of 100.           
            
    }
                    }
    

Picture of the output