Given a string find the first non-repeated character.
Software Design Interview Questions
649 software design interview questions shared by candidates
find if 2 strings are anagrams
How would you store the configuration of a chess board at any point in the game?
"When two trains approach each other at a crossing, both shall come to a full stop and neither shall start up again until the other has gone. Imagine a Java code with two process/instances of the same program Train.class What's the problem and how do you fix it."
How would you design a Zoo class using OO design?
Binary tree with parent pointers, given two nodes find common ancestor.
Given an array of 100 integers where every integer from 1-101 occurs once, except for one. Find the missing integer.
Design an email sender that can send 100,000,000 emails. You have 5 machines how could you do it efficiently.
Write a function to find the node where two linked lists meet.
Find the max subsequent sum for a random array of numbers
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