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Core java - Interview Questions and Answers for 'Opencrowd' - 2 question(s) found - Order By Newest

Very Frequently asked. Favorite question in walkins and telephonic interviews. Usually among first few questions. Asked in different variants. Must know for intermediate and expert professionals.Among Top 10 frequently asked questions.
  Q1. What is rule regarding overriding equals and hashCode method ?Core Java
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Ans. A Class must override the hashCode method if its overriding the equals method.

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Related Questions

  Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?
 Write a class and override the equals and hashcode method ?


Usually asked with Questions related to Generics.
 Q2. What are Type Erasures in Java ?Core Java2016-11-15 09:59:21

Ans. Type erasure applies to the use of generics. When generics are used, they're pre compiled into compile time checks and execution-time casts.

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   Like      Discuss      Correct / Improve     type erasures  generics     OpenCrowd  Nexient      intermediate        rare


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