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Java Interview Questions
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Why do you want to be a flight attendant? Why do you want to work for frontier? What challenges do you think you would face as a flight attendant and how will you overcome them? Tell me about a time you noticed something that was an area of opportunity and what steps did you take to fix it.
Pourquoi Air Transat
(4) You are given two Gaussian variables: X_1 and X_2 with means m_1, m_2 and variance v_1, v_2. Suppose you know the sum X_1 + X_2 is equal to n. What is the expected value of X_2?
Implement a function string balanceParanthesis(string s); which given a string s consisting of some parenthesis returns a string s1 in which parenthesis are balanced and differences between s and s1 are minimum. Eg - "(ab(xy)u)2)" -> "(ab(xy)u)2" ")))(((" -> ""
Given a string of an arithmetic expression, composed of numbers, '+' and '*', calculate the result - e.g. "2+4*5*7"
A Russian gangster kidnaps you. He puts two bullets in consecutive order in an empty six-round revolver, spins it, points it at your head and shoots. *click* You're still alive. He then asks you, do you want me to spin it again and fire or pull the trigger again. For each option, what is the probability that you'll be shot?
1) Provided a table with user_id and dates they visited platform, find the top 100 users with the longest continuous streak of visiting the platform as of yesterday. 2) Provided a table with page_id, event timestamp and a flag for a state (which is on/off), find the number of pages that are currently on.
""" # Question 2: # Fill in the blanks # # Given an array containing None values fill in the None values # with most recent non None value in the array # # For example: # - input array: [1,None,2,3,None,None,5,None] # # - output array: [1,1,2,3,3,3,5,5] #
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