What is difference between abstract class vs non-abstract class in Java.
Engineer Interview Questions
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Given a list of transactions, How can we calculate the frequency counts of all possible item-sets? For example, Input: ID Purchased Items 1 apple, banana, lemon 2 banana, berry, lemon, orange 3 banana, berry, lemon Output: Itemset Frequency apple, banana 1 apple, lemon 1 banana, berry 2 banana, lemon 3 ... apple, banana, lemon 1 banana, berry, lemon 2 ... banana, berry, lemon, orange 1
For a given set of software checkins, write a program that will determine which part along the branch where the fault lies.
1.1. given a list of words, group anagrams. 1.2. find all 3 items that sum to 0 in an array. 2.1. Write a function that calculates input strings with operators +,-,*,/ eg. "5+5*6" should output 35
How objects can send messages to each other in Objective-C
Given a tree, print the values contained at each level on the same line. So if you had the tree with root A, and children B and C, you would print: A B C
How would you store and search 1 million names?
Merge 'k' sorted arrays, each array may have max 'n' elements
Can you write a function that deeply flattens an array?
delete duplicates in a list
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