Conditionals and Loops - Java Software Solutions: Foundations of Program Design - page 220

LISTING 5.4
//********************************************************************
// Coin.java Author: Lewis/Loftus
//
// Represents a coin with two sides that can be flipped.
//********************************************************************
public class Coin
{
private final int HEADS = 0;
private final int TAILS = 1;
private int face;
//-----------------------------------------------------------------
// Sets up the coin by flipping it initially.
//-----------------------------------------------------------------
public Coin ()
{
flip();
}
//-----------------------------------------------------------------
// Flips the coin by randomly choosing a face value.
//-----------------------------------------------------------------
public void flip ()
{
face = ( int ) (Math.random() * 2);
}
//-----------------------------------------------------------------
// Returns true if the current face of the coin is heads.
//-----------------------------------------------------------------
public boolean isHeads ()
{
return (face == HEADS);
}
//-----------------------------------------------------------------
// Returns the current face of the coin as a string.
//-----------------------------------------------------------------
public String toString()
{
String faceName;