Answer / Shri Chandra Verma

When overriding the 'equals()' method in a class, it is common to also override the 'hashCode()' method. This is because the 'equals()' and 'hashCode()' methods are often used together in collections like HashSet or HashMap. If the 'hashCode()' method of an object changes over time, it can cause unexpected behavior when dealing with these collections.

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