जॉइन Examsbookउत्तर :
When do you override hashcode and equals() ?5
प्र: When do you override hashcode and equals() ?
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उत्तर :
व्याख्या :
HashCode method return int value. So the Hash value is the int value returned by the hash function . If you want to do equality check or want to use your object as key in HashMap, we must override hashcode and equals() method.
समान प्रश्न
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.