J.P Morgan Java Interview Questions

Company Name J.P. Morgan

Interview Questions :
  1. Tell me about yourself?
  2. What is the difference between String and StringBuffer?
  3. What do you mean by immutable?
  4. Can you explain the same with an example?
  5. How do you compare objects of String and StringBuffer?
  6. Can you list few methods that are available at Object class level?
  7. Why is thread methods like notify and notifyAll is defined at Object level?
  8. What are run time exceptions?
  9. What is Marker interface?
  10. What is the serialization? Read Answer
  11. How to make a class or a bean serializable? Read Answer
  12. If two Interfaces have same Method, how to handle that Method in a Class implementing these two Interfaces?
  13. Explain Servlet Life cycle ?
  14. What is the difference between GET and POST?
  15. What is SingleThreadModel?
  16. What is the difference between ServletContext and ServletConfig parameter?
  17. How can we know that a session  has already existed or not ?
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