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Java’s equals() and hashcode() are two methods ... Therefore the result will be false. We use the hashcode() method to optimize performance when comparing objects. Executing hashcode() returns ...
And by the way, just to give you an idea of the HashMap method -- uh, the hashCode method -- every time you create, um, an object in Java, each instance that you create gets assigned its own hashCode.
Bug 6321873 explains that the hash code returned by System.identityHashCode(Object) is not guaranteed to be unique (it’s a hash code after all). That being stated, there are situations in which ...