CoinFlipper.java

//
// CoinFlipper.java
//


public class CoinFlipper
{
    public String flip() 
    {
        if (Math.random() < .5)
            return "Heads";
        else
            return "Tails";
    }
}


CoinFlipperTest.java

//
// CoinFlipperTest.java
//


public class CoinFlipperTest
{
    public static void main(String[] args)
    {
        CoinFlipper flipper = new CoinFlipper();

        for (int i=0; i<10; i++)
            System.out.println(flipper.flip());
    }
}