Dell Java Interview Questions and Answers

Company Name :  Dell 

Interview Questions:
  • Tell me about your self? 
  • Explain OOP's comcepts?
  • What  is a transient variable?
  • What is the use of native methods?
  • What is GC(Garbage Collector) ? 
  • What is Class loder? What are the types of class loders available in java?
  • Difference between Hashtable and HashMap?
  • By default, Hashtable is unordered. Then, how can you retrieve Hashtable elements in the same order as they are put inside?
  • Explan Servlet life Cycle?
  • Servlet is a java class. So, can there be a constructor in Servlet class or not ? Why ?
  • What is the use of hibernate over JDBC?
  • Explan core interfaces in hibernate?
  • What is the difference between get() and load() methods in hibernate?
  • Difference between HQL and Criteria API in hibernate?
  • How many scopes available in Spring bean and what are they?
  • What is dependency Injection in Spring ? How can we achieve this?
HR Questions :
  • Tell me about yourself ?
  • What is the most difficult situation you have had to face and how did you tackle it?
  • What is your greatest weakness?
  • Why do you want to leave your current employer?
  • Where would you really like to work?
  • What is your current CTC and How much your Expected CTC ?
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