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Ans. General contract of hashCode is: 1.Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, 2.If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result. 3.It is not required that if two objects are unequal according to the equals(java.lang.Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. | ||||
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