The == comparison operator tests values for equality. When applied to objects, that "value" is basically a reference (e.g., a memory address). Therefore, objA == objB if and only if they are, in fact, the same object (occupying the same space in memory).
The equals method is designed to be overridden to provide a more meaningful comparison of objects. For example, two separate instances of Car might be considered "equal" if they have specific variables in common (e.g., make, model, year, etc.). But in the simple case of Object, the equals method only checks whether the references point to the same object, just as the == operator does. [ September 07, 2005: Message edited by: marc weber ]
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