Telephonic Round Java Interview Questions @ SemanticSpace

Company Name :  SemanticSpace Technologies

Interview Questions:
  • Tell me about your self? 
  • What is the difference between an Interface and an Abstract class? 
  • Can abstract class have constructors ?
  • How many ways we can call garbage collector ?
  • What is use of load on startup tag ?
  • What is the difference between notify() and notifyAll() methods ?
  • What is the difference between Comparator and comparable interfaces ?
  • Why the notify and notifyAll() methods included in Object class ?
  • What is the difference between HashMap and TreeMap ?
  • What is the use of hibernate ?
  • What are the types of cache levels available in Hibernate ? How to configure ?
  • What is the difference between Servlet and filters ? 
  • What is SingleThreadModel interface ?
  • What are the implicit objects available in JSP ?
  • How does JSP handle run-time exceptions?  
  • What is the difference between update and merge in hibernate ?
  • Write a query to retrieve highest salary by dept id ?


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