I have a class, say TextHolder, that overrides Object.equals() to return true if both strings in each object are equal - <tt>new TextHolder("Hello World!").equals(new ...

Does anyone know how to call an instance method from a class that is used to construct an arraylist? In my main method I call the instance method like so: int x = hand.Suit("h"); where hand is my ...

Are you just using ArrayList whenever you need to group data?What are the specific scenarios where Set or Map are the correct ...