The difference between interface and abstract class
Java Trainee Interview Questions
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Reverse linked list and zig zag level order traversal for a binary tree programs asked in two rounds followed by some questions on design patterns and database performance concepts.
binary code addition array reverse
Their questions are simple. But they did not ask the questions clearly. They want to see how to react to the unclear. For example, they ask you to write a recursive Java function.
The test task asks to write the code finding "similar" HTML elements in given files. There is no definition of "similarity" in task description; they expect "similarity from the human point of view". There was 4 files provided (4 test cases). The task description explicitly says "Target completion time is 2 hours. We would rather see what you were able to do in 2 hours than a full-blown algorithm you’ve spent days implementing" and "remember that working software is the main goal so something simple that works is generally better, than a complex unfinished solution" They also asked to write detailed readme and to provide executable file. It was allowed to use libraries.
The case study starts in German, but one recruiter jumps in and would like to get answers in English.
If you are having a list of 1 million records how you will sort the records
actually as per testing point of view all questions are difficult to me cause i have no idea of testing tools.
how do you do to improve the quality of the code?
What is AOP?
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