Assignemnt # Final Exam

Code

/// Name: JJ Deng
/// Period: 6
/// Program Name: Final Exam
/// File Name: Final Exam One.java
/// Date Finished: 1/22/2016

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

public class FinalExamOne
{
	public static void main( String[] args )
	{
		
  Random r = new Random();
        
  int tails = 0; int heads = 0; int flips = getFlips();
        
    for (int i = 0; i< flips; i++)
		{
			if (r.nextInt(2)==0)
        tails++;
        else
        heads++;
        }
        double probHeads = ((double)heads / flips *100);
        double probTails = ((double)tails / flips *100);
        System.out.println( "Total Number of Heads ... " + heads);
        System.out.println();
        System.out.println( "Total Number of tails ... " + tails);
        System.out.println();
        System.out.println( "The probablity of rolling heads is... " + probHeads + "%");
        System.out.println();
        System.out.println( "The probablity of rolling tails is... " + probTails + "%");   
        System.out.println();
    }
    static int getFlips()
    {   
        Scanner keyboard = new Scanner(System.in);
        boolean exception = false;
        int flips = 0;
        while (flips <= 0 || flips >= 2100000000)
            {
              keyboard = new Scanner(System.in);
              exception= false;
              try
              {
              System.out.println( "Number of times you want to flip the coin " );
              System.out.println();
              flips = keyboard.nextInt();
              }
              catch (InputMismatchException e)
                {
                System.out.println( "HEY SUCKA THATS NOT ACCEPTABLE.");
                flips = 0;
                exception = true;
                }
                if (( flips <=0 || flips >= 2100000000) && !exception)
                System.out.println( "PUT IN A NUMBER DATZ GREADA THAN ZERO AND LESS THAN 2100000000.");
                System.out.println();
            }
        return flips;
      
    }
  }
        
    

Picture of the output