public static void Main()
{
Tapper tap = new Tapper();
SingleSpoon spoonForFirstPerson = SingleSpoon.getTheSpoon();
tap.test("Create first spoon ", spoonForFirstPerson, spoonForFirstPerson);
SingleSpoon spoonForSecondPerson = SingleSpoon.getTheSpoon();
tap.test("Second person getting a spoon, shouldn't be able to", spoonForSecondPerson == null);
SingleSpoon.returnTheSpoon();
tap.test("The spoon was returned", spoonForFirstPerson != null);
spoonForSecondPerson = SingleSpoon.getTheSpoon();
tap.test("Second person getting a spoon", spoonForSecondPerson != null);
tap.done();
}
public static SingleSpoon getTheSpoon()
{
if (theSpoonIsAvailable)
{
if (theSpoon == null)
{
theSpoon = new SingleSpoon();
}
theSpoonIsAvailable = false;
return(theSpoon);
}
else
{
return(null);
//spoon not available,
// could throw error or return null (as shown)
}
}