Core Java questions & this person was also not aware about the immutability concept properly except what is given on internet. I had to teach him the immutability of class & object, else for this person both are same.
Senior Software Developer Java J2ee Interview Questions
97,955 senior software developer java j2ee interview questions shared by candidates
Convert a string to an integer
Given a series of words written using a scrambled alphabet, figure out what order the letters of the alphabet are in.
What sort would you use if you required tight max time bounds and wanted highly regular performance.
1) If Child class has parameterized constructor and parent class has default constructor . will it work
A list with a set of integers. All elements appear even number of times while one appear odd number of times. Find this number that appear odd number of times
Considering a 2-dimension matrix that can only be traversed by 1 adjacent position at a time and never diagonally. Create an algorithm to traverse that matrix from its upper-left corner to its lower-right corner using the shorter possible path in the most efficient way.
How do you find 2 missing elements in an array of consecutive integers that are not sorted who's size is N-2.
Find if given text does have matching [ { ( opening and closing. So ({[]}) is valid and ({)} is invalid. They should open and close in proper order.
Given an integer array, write a program that returns an array with elements = product of the integers in input array except the one in its position. Ex: Given input: [2, 3, 10, 4, 5], output: [600, 400, 120, 300, 240] What is the complexity of your program? When will your program not work? Below is what I presented (O(n)), but it did not qualify me for the next round.
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