Final and Display Probability

Code

    /// Name: Tim Chuang
/// Period: 7
/// Program Name: Display Probability
/// File Name: DisplayProbability.java
/// Date Finished: 1/21/2016

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

public class DisplayProbability
{
    public static void main ( String[] args )
	{
        Scanner keyboard = new Scanner(System.in); 
		Random rng = new Random();
        int flips, steps, heads, tails; //these are the variables//
        steps = 0;
        heads = 0;
        tails = 0;
        System.out.println("Choose a number of times between 1-2,100,000,000 to flip the coin!");
        System.out.print("> ");
        flips = keyboard.nextInt();
        do 
		{
			int flip = rng.nextInt(2);
            if ( flip == 1 )
            {
                heads++;
                steps++; // for the flips//
            }
            else
            {
                tails++;
                steps++;
            }
        } while ( steps != flips ); 
        System.out.println("Your heads: " + heads + " and your tails: " + tails + ".");
        int Heads, Tails, chances; 
        Heads = 50;
        chances = 100;
        double probOfHeads = (double)Heads / chances;
        Tails = 50;
        double probOfTails = (double)Tails / chances;
        System.out.println("Probability of heads: " + probOfHeads + " prob of tails: " + probOfTails + ".");
        
    }
}

    

Picture of the output