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OnGraph Technologies IOS Developer Interview Questions and Answers

Updated 21 Oct 2022

OnGraph Technologies IOS Developer Interview Experiences

1 interview found

IOS Developer Interview Questions & Answers

user image Anonymous

posted on 21 Oct 2022

I applied via Recruitment Consulltant and was interviewed before Oct 2021. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Basics of Swift, like optinal chaining, optinal binding
  • Q2. Struct vs classes, Singletons. Mvc vs mvvm
  • Ans. 

    Structs are value types, classes are reference types. Singletons ensure only one instance of a class. MVC separates concerns, MVVM adds a ViewModel layer.

    • Structs are lightweight and copied by value, while classes are more powerful and passed by reference.

    • Singletons are useful for global state and ensuring only one instance of a class exists.

    • MVC separates concerns by dividing code into Model, View, and Controller compon...

  • Answered by AI
Round 3 - Coding Test 

Show data on tableview with imageview and self sizing label after fetching from webservice api

Round 4 - HR 

(1 Question)

  • Q1. Salary discuss happened.

Interview Preparation Tips

Interview preparation tips for other job seekers - Impress manager in last technical round. And you will get good salary.

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Nov 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Oops concepts, core java
  • Q2. Java 8 stream api and lambda

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well it will be easy to crack. they hire good peope

I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude test

Round 2 - Group Discussion 

Current affairs

Round 3 - Technical 

(1 Question)

  • Q1. Puzzle , sql related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself, whatever you know just be confident

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

Round duration - 50 minutes
Round difficulty - Medium

Round 2 - Face to Face 

(1 Question)

Round duration - 20 minutes
Round difficulty - Medium

  • Q1. 

    Pair Sum Problem Statement

    You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.

    Note:
    ...
  • Ans. 

    Given an array and a target sum, find pairs of elements that add up to the target sum.

    • Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.

    • If the complement exists, add the pair to the result list. Otherwise, add the current element to the hash set.

    • Sort the pairs based on the first element and then the second element to meet the required output form

  • Answered by AI
Round 3 - Face to Face 

Round duration - 20 minutes
Round difficulty - Easy

Round 4 - Face to Face 

(1 Question)

Round duration - 40 minutes
Round difficulty - Hard

  • Q1. Can you provide an example of how to use pointers in C/C++ and discuss different concepts related to them?
  • Ans. 

    Pointers in C/C++ are variables that store memory addresses. They are used to manipulate memory directly and improve performance.

    • Pointers are declared using an asterisk (*) before the variable name.

    • Pointers can be used to dynamically allocate memory using functions like malloc() and free().

    • Pointers can be used to pass variables by reference to functions.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Development in GurgaonEligibility criteriaAbove 7 CGPA, No backlogsThink Future Technologies interview preparation:Topics to prepare for the interview - Data Structures,OOPS, SQL Queries, Normalization,Software Development Life Cycles, PointersTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Do atleast 1 project
Tip 2 : Practice Data structure programming questions
Tip 3 : Prepare concepts with examples (Coding/Numericals)

Application resume tips for other job seekers

Tip 1 : Mention Projects
Tip 2 : Mention only those technologies which you are confident enough.
Tip 3 : Mention extra curricular activities if have.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Preparation Tips

Round: Technical Interview
Experience: this was a telephonic round : There I was asked basics of web development (e.g Session, hidden variable difference between POST and GET etc. ) and basics of PHP e.g global variables etc , little bit of mysql e.g joins , difference between left and right joins.

Round: Technical Interview
Experience: This was pretty much about interview rounds. I got the offer.

Skills: Core java, OOP, PHP
College Name: na
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

1 hour online test ..

Round 2 - Technical 

(1 Question)

  • Q1. Programming related questions.
Round 3 - Technical 

(1 Question)

  • Q1. DSA round (easy to medium)
Round 4 - HR 

(1 Question)

  • Q1. Technical+ hr round
Round 5 - Behavioral 

(1 Question)

  • Q1. Technical questions.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Data structures algorithms
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Normal aptitude questions

Round 2 - Coding Test 

Python basic and some basic coding questions

Round 3 - Coding Test 

Advance level coding question

I appeared for an interview in Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 30 minutes
Round difficulty - Medium

It was in the morning around 9:00Am-9:30AM. Platform used for this round was hacerrank. Questions were of moderate to difficult level.

  • Q1. 

    Count Subarrays with Given XOR Problem Statement

    You are given an array of integers ARR and an integer X. Your task is to determine the number of subarrays of ARR whose bitwise XOR is equal to X.

    Example...

  • Ans. 

    Count the number of subarrays in an array whose XOR is equal to a given value.

    • Iterate through the array and keep track of XOR values and their frequencies using a hashmap.

    • For each element in the array, calculate the XOR value with all previous elements and check if it equals the given XOR value.

    • Use the concept of XOR to efficiently solve the problem.

    • Handle edge cases like XOR value being 0 separately.

    • Time complexity ca...

  • Answered by AI
  • Q2. 

    Distinct Characters Problem Statement

    Given a string STR, return all possible non-empty subsequences with distinct characters. The order of the strings returned is not important.

    Example:

    Input:
    STR = ...
  • Ans. 

    Return all possible non-empty subsequences with distinct characters from a given string.

    • Iterate through all possible subsequences of the input string

    • Check for distinct characters in each subsequence

    • Return the distinct character subsequences as an array of strings

  • Answered by AI
Round 2 - HR 

Round duration - 15 minutes
Round difficulty - Easy

It was in the night around 8:00PM-8:20PM. Interviewer was very calm in questioning. Platform used for this round was Skype and the questions focused more on personality rather than total.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Developer in DelhiEligibility criteriaAbove 7 CGPAThink Future Technologies interview preparation:Topics to prepare for the interview - Data Structures, OOPS, Algorithms, Dynamic Programming, AptitudeTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice aptitude questions a lot.
Tip 2 : Do some projects
Tip 3 : Research about company thoroughly

Application resume tips for other job seekers

Tip 1 : It should be in proper format.
Tip 2 : Each skills should be mentioned properly.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It was ok. I was not able to solve all the questions.

Round 2 - Technical 

(2 Questions)

  • Q1. Remove the last element from a linkedlist
  • Ans. 

    To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.

    • Iterate through the linked list to find the second last node

    • Update the next pointer of the second last node to null

  • Answered by AI
  • Q2. Some basic questions on oops dbms and os

Skills evaluated in this interview

OnGraph Technologies Interview FAQs

How many rounds are there in OnGraph Technologies IOS Developer interview?
OnGraph Technologies interview process usually has 4 rounds. The most common rounds in the OnGraph Technologies interview process are Resume Shortlist, Technical and Coding Test.
How to prepare for OnGraph Technologies IOS Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at OnGraph Technologies. The most common topics and skills that interviewers at OnGraph Technologies expect are Cocoa Touch, IOS, GIT, Objective C and Swift.
What are the top questions asked in OnGraph Technologies IOS Developer interview?

Some of the top questions asked at the OnGraph Technologies IOS Developer interview -

  1. Struct vs classes, Singletons. Mvc vs m...read more
  2. Basics of Swift, like optinal chaining, optinal bind...read more

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OnGraph Technologies IOS Developer Salary
based on 6 salaries
₹3.6 L/yr - ₹8.1 L/yr
28% less than the average IOS Developer Salary in India
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