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AFour Technologies Interview Questions and Answers
8 Interview questions
To find the angle between hour and minute hand at a given time on a clock face.
Calculate the angle made by hour hand with 12:00 on the clock face
Calculate the angle made by minute hand with 12:00 on the clock face
Find the absolute difference between the two angles
If the angle is greater than 180 degrees, subtract it from 360 degrees for the acute angle
Abstraction allows for defining a common interface for related objects, while inheritance enables a class to inherit attributes and methods from another class.
Abstraction involves hiding the implementation details and showing only the necessary features of an object. Inheritance allows a class to inherit properties and behaviors from another class.
Abstraction helps in creating a blueprint of a class without provid...
Comparable is an interface used for natural ordering while Comparator is an interface used for custom ordering.
Comparable is implemented by the class whose objects need to be sorted
Comparator is implemented separately and passed as an argument to sorting method
Comparable uses compareTo() method for comparison while Comparator uses compare() method
Comparable provides only one way of sorting while Comparator provide...
HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.
HashMap uses an array of buckets to store key-value pairs
Each bucket contains a linked list of entries
Hashing is used to determine the index of the bucket where the entry should be stored
If two keys have the same hashcode, they are stored in the same bucket as a linked list
HashMap allows null keys and values
HashMap ...
OOPs is a programming paradigm based on the concept of objects that interact with each other.
OOPs stands for Object-Oriented Programming.
It focuses on creating objects that have properties and methods.
Encapsulation, Inheritance, and Polymorphism are the three main pillars of OOPs.
Encapsulation is the process of hiding the implementation details of an object from the outside world.
Inheritance allows a class to inhe...
My expected CTC is in line with industry standards and commensurate with my experience and skills.
My expected CTC is based on my experience and skills in the field of QA engineering.
I have researched industry standards and have a realistic expectation for my salary.
I am open to negotiation based on the specific job requirements and benefits package.
I am looking for a fair and competitive salary that reflects my co...
Method overriding is a feature in object-oriented programming where a subclass provides its own implementation of a method that is already provided by its parent class.
Method overriding is used to achieve runtime polymorphism.
The method signature of the overridden method must be the same as the method in the parent class.
The access level of the overriding method cannot be more restrictive than the overridden metho...
Function to find and replace a line in an array of strings
Loop through array to find line containing first input
Replace line with second input
Return updated array
AFour Technologies Interview Experiences
13 interviews found
(2 Questions)
- Q1. How abstraction and inheritance are related?
- Ans.
Abstraction allows for defining a common interface for related objects, while inheritance enables a class to inherit attributes and methods from another class.
Abstraction involves hiding the implementation details and showing only the necessary features of an object. Inheritance allows a class to inherit properties and behaviors from another class.
Abstraction helps in creating a blueprint of a class without providing t...
- Q2. Given a perticular time, find the angle between hour hand and minute hand.
- Ans.
To find the angle between hour and minute hand at a given time on a clock face.
Calculate the angle made by hour hand with 12:00 on the clock face
Calculate the angle made by minute hand with 12:00 on the clock face
Find the absolute difference between the two angles
If the angle is greater than 180 degrees, subtract it from 360 degrees for the acute angle
Interview Preparation Tips
Online with a problem
Based on the coding round and other technical knowledge
(1 Question)
- Q1. HR round with the HR
Software Development Test Engineer Interview Questions & Answers
Shrutika Ambarnath Ekbote
posted on 9 Feb 2024
Selected
I applied via Walk-in
They will conduct one test with aptitude technical and 2 codes
Interview Preparation Tips
sandeep jariya
Selected
I applied via Approached by Company
(2 Questions)
- Q1. Core java cocepts.
- Q2. Problem solving skills
Interview Preparation Tips
shweta bayas
(1 Question)
- Q1. Difference between comparable and comparator
(1 Question)
- Q1. Internal working of hashmap
(1 Question)
- Q1. What is your expectation about salary
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Apr 2022. There were 2 interview rounds.
There were 4 questions. 1st one was based on array index based optimisation. The second one was on oops and the last 2 were on algo and DS type. Time given was 45 mins.
(1 Question)
- Q1. Questions based on previous work.
Interview Preparation Tips
- Algorithms
- Data Structures
Senior Software Developer and Engineer Interview Questions & Answers
Anonymous
posted on 10 Sep 2023
Selected
I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.
One coding questions on Array and string
(1 Question)
- Q1. They will ask about the program which will solve in coding part and tell optimize it or make changes in it and ask about dsa and personal project
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jul 2021. There were 3 interview rounds.
(1 Question)
- Q1. What your expected ctc?
- Ans.
My expected CTC is in line with industry standards and commensurate with my experience and skills.
My expected CTC is based on my experience and skills in the field of QA engineering.
I have researched industry standards and have a realistic expectation for my salary.
I am open to negotiation based on the specific job requirements and benefits package.
I am looking for a fair and competitive salary that reflects my contrib...
(2 Questions)
- Q1. Do you aware of method overiding?
- Ans.
Method overriding is a feature in object-oriented programming where a subclass provides its own implementation of a method that is already provided by its parent class.
Method overriding is used to achieve runtime polymorphism.
The method signature of the overridden method must be the same as the method in the parent class.
The access level of the overriding method cannot be more restrictive than the overridden method.
Exa...
- Q2. Lets explain thw oops concept?
- Ans.
OOPs is a programming paradigm based on the concept of objects that interact with each other.
OOPs stands for Object-Oriented Programming.
It focuses on creating objects that have properties and methods.
Encapsulation, Inheritance, and Polymorphism are the three main pillars of OOPs.
Encapsulation is the process of hiding the implementation details of an object from the outside world.
Inheritance allows a class to inherit p...
Interview Preparation Tips
All is weli.
All the best
Selected
I applied via Walk-in and was interviewed before Aug 2022. There were 4 interview rounds.
1 Code Of Medium Type Based On String Operations
(1 Question)
- Q1. Technical Round With QA Session Along With Explanation Of How You Made The 1St Round Of Codeing
(2 Questions)
- Q1. HR Rounds General Discussions
- Q2. Normal Discussion Related To Norms Salary Structure And All
SDE (Software Development Engineer) Interview Questions & Answers
chetan rathod
posted on 24 Aug 2021
I applied via Company Website and was interviewed in Jul 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Reactjs basics and some architectural questions
Interview Preparation Tips
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AFour Technologies Interviews By Designations
- AFour Technologies Consultant Interview Questions
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Softwaretest Engineer
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