cant get odds to correctly caclulate

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Posts: 120

posted 14 years ago

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

public class CountingWithForLoops3 
{
    public static void main(String [] args)
    {
        Scanner in;  
        in = new Scanner(System.in);
        int randomNumber = 0;
        int randomNumber1 = 0;
        int randomNumber2 = 0;
        int anotherRandom = 0;
        System.out.println("Number of Trials ");
        int numberOfTrials = in.nextInt();
        int counterMatches = 1;
        int counterTimes = 1;
        double oddsOfWinning = 100 * (counterMatches / counterTimes);
        
        for(int counter = 0; counter <= numberOfTrials; counter++)
        {
          System.out.println("\n");  
          randomNumber = ((int)(0+ Math.random()* 999)); 
          anotherRandom = ((int)(0+ Math.random()* 999)); 
          randomNumber1 = ((int)(0+ Math.random()* 999));
          randomNumber2 = ((int)(0+ Math.random()* 999));
         
        if(randomNumber == anotherRandom)
          {
         
              counterMatches++;
              counterTimes++;
            }
        else
            {
                counterTimes++;
            }
        
      
            
        System.out.println("\n");    
        System.out.println("Random Number: " + randomNumber);
        System.out.println("Number Of Trials: " + counterTimes);
        System.out.println("Number Of Matches: " + counterMatches);
        System.out.println("Odds Of Winning: " + oddsOfWinning);
        
        if(randomNumber1 == anotherRandom)
          {
         
              counterMatches++;
              counterTimes++;
            }
        else
            {
                counterTimes++;
            }
        
      
            
        System.out.println("\n");    
        System.out.println("Random Number: " + randomNumber);
        System.out.println("Number Of Trials: " + counterTimes);
        System.out.println("Number Of Matches: " + counterMatches);
        System.out.println("Odds Of Winning: " + oddsOfWinning);
        
        if(randomNumber2 == anotherRandom)
          {
         
              counterMatches++;
              counterTimes++;
            }
        else
            {
                counterTimes++;
            }
        
      
            
        System.out.println("\n");   
        System.out.println("Random Number: " + randomNumber);
        System.out.println("Number Of Trials: " + counterTimes);
        System.out.println("Number Of Matches: " + counterMatches);
        System.out.println("Odds Of Winning: " + oddsOfWinning);
            
        }
        
    }
    
}

what i am trying to do is calculate the odds by oddsOfWinning = 100 * (counterMatches / counterTimes); does anyone know why this isnt working?

nathan gibson

Ranch Hand

Posts: 120

posted 14 years ago