about basic java + OOPS + collections SQL - write query, and about DDL,DML,DQL,TCL JOINS, Aggregate Functions
Software Development Java Interview Questions
30,889 software development java interview questions shared by candidates
where do i see myself in 5 years
Did you work on JMS and explain
1. OOps concepts with examples. 2. Write a java program to find the first duplicate in an array. 3. Write a java program to print the occurrences of each character. 4. Explain the approach to print middle element in a linked list. 5. Given a string str = "hfjsk6485lop", sort the string and print the characters first and print digits last. 6. Find a missing a element in an array. 7. Collection framework hierarchy. 8. Difference between abstract class and interface. 9. What is association and aggregation . 10. some code snippets to answer. 11. Internal working of a hash map, what is the case if two elements hash code is same. 12. What are the challenges that you faced in your projects how you have handled them. 13. Difference between string, stringBuffer, String builder. 14. Difference between final, finally, finalize. 15. Difference between Exception and Error. 16. Can you throw custom exception with Error Object. 17. Exception handling hierarchy.
I used Java 8 so he asked which features are not in previous versions of java? What are new features in java8?
Interview questions are good and appropriate. Basic questions
What is JVM
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Have you done any kind of R & D work? Model All classes and interfaces by looking at room
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