1) tell me About java technology? 2) tell me about concept ofoops? 3) what is inheritace and its types? 4)what is final modifer ? where should we use? 5)what is collection? what is the diff b/w collectin and array.
Junior Java Interview Questions
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Question about basic OOPs concept & SQL Query.
How to you check if a string is a palindrome? What are the 4 OOPs? What is beneficial about an arraylist over a linked list, vice versa?
Tell me about yourself? Collections in Java?
Spiral order traversal of a tree.
I was asked to design a database based on the requirements given by the interviewer and had to write some queries too. I was asked an object oriented design problem too. Details about Performance Testing. Explain dynamic, divide & conquer way of programming. Implement fibonacci using iterative, recursive and dynamic programming. Explain merge sort. How it uses divide & conquer programming. Circular linked list implementation based on a problem given. Differences between linked list and array list. Differences between C++, Java and Python. (I didn't revise C++ much, so couldn't answer virtual functions in detail) Difference between Future and Callable. Explain Executor Services.
What is the difference between a vector and arraylist?
Any questions you want to ask us?
oops concepts and also sql quaries
print till 100 without using recursion
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