relatively simple algorithm question on tree traversal, needed to write own main to test
Software Engineer Java Interview Questions
4,195 software engineer java interview questions shared by candidates
needed to describe what a given function does and find all errors in these piece of code. The function were : recursively traversal over binary tree and print it's elements
They did not like that a "for" loop was being used instead of "foreach" even though they are identical in performance for the given context.
Given two coding challenges which we need to solve in any of our preferred IDE. The questions were easy. A couple of behavioral questions and follow up questions
1. Systems design question on e-commerce. 2. Pairs of songs divisible by 60 leetcode.
HireVue: Read in strings using standard input and determine if they are pangrams. If they are, print out "NULL", if they are not, print out the characters the string is missing.
difference b/w interface and abstract class ? when to use what ?
Morely on Java and SQL. Questions were not that hardly anyone can answer them with good preparation. The issue was not the questions but the interviewers, there were two interviewers asking questions and the crazy thing was they will cut each other off and jump in between to point out something wrong in my answer. Sometimes they will not even let me finish properly and start pointing the wrong things. Was really upset with their behaviour.
Design Singleton class ? prevent it from reflection, cloning, serialization
1)First inteviewer asked me to explain all technial skills and current domain. During the interview, interviewer showed me around 10 different code snippets and asked me to guess the output, these code snippets were related to basic java sytax and rules. 2)After that interviewer asked me to explain all principles of core java oops with real time example. 3)Types of iterator in java 4)Difference between fail fast and fail safe 5)Sql query for finding highest salary of employee 6)String manipulation program finding length of string without using .length and foreach loop. 7)Concurrent modification exception 8)Internal working of hashmap 9)collision 10)which java fearures do you use in your current project
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