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Software Engineer V Interview Questions

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666,163 software engineer v interview questions shared by candidates

1) I have class hierarchy and should create array of different instances of this hierarchy. They asked me to write a function which iterates this array and executes different methods according to the instance class. I suggested that downcasting is a bad idea and that it can violate Liskov substitution rule of the SOLID principles, and this problem should be solved using collections and generics, but they did not accept this answer 2) Create Queue N size using only N size array. 3) some Java concurrency related questions: synchronized volatile, atomic, etc....
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Senior Software Engineer

Interviewed at Taboola

4.2★
Dec 6, 2015

1) I have class hierarchy and should create array of different instances of this hierarchy. They asked me to write a function which iterates this array and executes different methods according to the instance class. I suggested that downcasting is a bad idea and that it can violate Liskov substitution rule of the SOLID principles, and this problem should be solved using collections and generics, but they did not accept this answer 2) Create Queue N size using only N size array. 3) some Java concurrency related questions: synchronized volatile, atomic, etc....

Given an array of unique non-negative integers, {A1,…,An}, and a positive integer, X, write a function that finds all pairs of numbers in the array that sum to X”. You are given an integer array nums sorted in ascending order (with distinct values), and an integer target. Suppose that nums is rotated at some pivot unknown to you beforehand (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]).” Take a singly-linked list, and reorder in such a way that the first element points to the last element, second element points to second-to-last element, and so on.
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Software Engineer

Interviewed at Expedia Group

3.7★
Feb 1, 2021

Given an array of unique non-negative integers, {A1,…,An}, and a positive integer, X, write a function that finds all pairs of numbers in the array that sum to X”. You are given an integer array nums sorted in ascending order (with distinct values), and an integer target. Suppose that nums is rotated at some pivot unknown to you beforehand (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]).” Take a singly-linked list, and reorder in such a way that the first element points to the last element, second element points to second-to-last element, and so on.

Java program in round 3 was the most difficult question in my case. A matrix halfly-filled with numbers - almost randomly was given . And You need to fill the blank matrix of same size with those numbers in similar arrangement in a program using 2D arrays and loops.
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Trainee Software Engineer

Interviewed at Zycus

3.5★
Jan 10, 2014

Java program in round 3 was the most difficult question in my case. A matrix halfly-filled with numbers - almost randomly was given . And You need to fill the blank matrix of same size with those numbers in similar arrangement in a program using 2D arrays and loops.

However the interview was about Senior Java Position, I just asked a couple of questions about Java and nothing about Javascript. The interview questions were about: 1. Data structure and algorithms (30 minutes) 2. Operating Systems Concepts (System calls, concurrency, etc, Device Drivers.) 3. TCP/IP Layered protocol ( I was really really good at this when I was in college :) ) Till now about 1 hour or more passed from the 90 minutes interview... 4. Couple of questions about REST, Java Concurrency and Testing I could understand the emphasis on the OS, algorithms design and analysis is to be asked at Google & Amazon-like companies or to be asked to a fresh engineer he is just graduated from the university with a fresh knowledge. I am not denying their questions about OS, Data structure, and algorithms, but to make most on the interview for such topics and eventually got rejected because my knowledge in JavaScript is not enough is not honesty in reporting the Interview status. I answered the algorithms question and OS, TCP/IP from memory (which mostly wasn't that accurate as I left university more than 10 years back).
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Senior Software Engineer

Interviewed at ING

4.2★
Jan 23, 2018

However the interview was about Senior Java Position, I just asked a couple of questions about Java and nothing about Javascript. The interview questions were about: 1. Data structure and algorithms (30 minutes) 2. Operating Systems Concepts (System calls, concurrency, etc, Device Drivers.) 3. TCP/IP Layered protocol ( I was really really good at this when I was in college :) ) Till now about 1 hour or more passed from the 90 minutes interview... 4. Couple of questions about REST, Java Concurrency and Testing I could understand the emphasis on the OS, algorithms design and analysis is to be asked at Google & Amazon-like companies or to be asked to a fresh engineer he is just graduated from the university with a fresh knowledge. I am not denying their questions about OS, Data structure, and algorithms, but to make most on the interview for such topics and eventually got rejected because my knowledge in JavaScript is not enough is not honesty in reporting the Interview status. I answered the algorithms question and OS, TCP/IP from memory (which mostly wasn't that accurate as I left university more than 10 years back).

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