Difference between an array list and a linked list.
Senior Developer Interview Questions
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I was asked a question about the following. If a user types in a n digit number on the telephone, how do you write a function to deduce if the number constitutes a valid word. For example, if the user enters 123, then can a valid word be made out of (a/b/c) + (d/e/f) + (g/h/i)
Pets +------------------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | breed | varchar(255) | NO | | NULL | | | acquisition_date | datetime | NO | | NULL | | +------------------+--------------+------+-----+---------+----------------+ Customers +-------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | name | varchar(255) | NO | | NULL | | +-------+--------------+------+-----+---------+----------------+ Sales +-------------+----------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------------+----------+------+-----+---------+-------+ | customer_id | int(11) | NO | PRI | NULL | | | pet_id | int(11) | NO | PRI | NULL | | | date | datetime | NO | | NULL | | +-------------+----------+------+-----+---------+-------+ Q1 How many pets of each breed has the shop ever owned?
Given an english sentence how can you tell if it is valid or not. For Eg. "Iworkatuber" is a valid sentence "Iworkatasdf" is an invalid sentence.
Given a very long string composed of numbers as characters, find the four character substring that has the largest multiple. For example, given the string "809723", the two char substring with the largest multiple is "97", having a multiple 9*7 = 63.
Merge to sorted arrays into second array, both arrays has N elements, but second array size is N * 2. So you merge both arrays in second array in a sorted way.
Sequence of numbers in random order and 1 of them is missing how to find that out...
What are the most challenging tasks you faced in your previous projects and how did you handle them
Implement a method 'find' that will find the starting index (zero based) where the second list occurs as a sub-list in the first list. It should return -1 if the sub-list cannot be found. Arguments are always given, not empty. Sample Input 1 list1 = (1, 2, 3) list2 = (2, 3) Sample Output 1 1 Explanation As second list (2, 3) is sub-list in first list (1, 2, 3) at index 1 Sample Input 2 list1 = (1, 2, 3) list2 = (3, 2) Sample Output 2 -1
Given an NxN matrix, find out the number of ways to get to the NxNth cell from the 1x1 cell...
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