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Big Oh Notation Reactjs Developer Interview Questions and Answers

Updated 28 Apr 2024

Big Oh Notation Reactjs Developer Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Custom hook implementation
  • Ans. 

    Custom hooks in React are reusable functions that contain logic shared between components.

    • Custom hooks start with 'use' keyword (e.g. useState, useEffect)

    • They can be used to share logic like fetching data, managing state, or subscribing to events

    • Example: Custom hook for fetching data from an API can be used in multiple components

  • Answered by AI

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. How would you utilize AWS or Azure services to create scalable web applications
  • Ans. 

    Utilize AWS or Azure services for scalable web applications

    • Use AWS Elastic Beanstalk or Azure App Service for easy deployment and scaling

    • Leverage AWS Lambda or Azure Functions for serverless computing

    • Utilize AWS Auto Scaling or Azure Autoscale to automatically adjust resources based on traffic

    • Store data in AWS RDS or Azure SQL Database for scalable database solutions

    • Use AWS CloudFront or Azure CDN for content delivery

  • Answered by AI
  • Q2. How would you tackle memory leaks if the system your working on was experiencing this issue?
  • Ans. 

    I would use memory profiling tools to identify the source of the leaks and then fix them by properly managing memory allocation and deallocation.

    • Use memory profiling tools like Valgrind or Instruments to identify the source of the leaks

    • Review the code to ensure proper memory allocation and deallocation practices are being followed

    • Implement smart pointers or garbage collection to automatically manage memory

    • Use static co...

  • Answered by AI
  • Q3. Have you worked on legacy systems?
  • Ans. 

    Yes, I have experience working on legacy systems.

    • I have successfully maintained and upgraded legacy systems to meet current business needs.

    • I have refactored legacy code to improve performance and scalability.

    • I have integrated new technologies with legacy systems to enhance functionality.

    • I have experience troubleshooting and debugging issues in legacy systems.

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. Are you capable to work with cross functional teams and handle disputes effectively
  • Ans. 

    Yes, I have experience working with cross functional teams and resolving disputes effectively.

    • I have successfully collaborated with team members from different departments to achieve project goals.

    • I am skilled at mediating conflicts and finding mutually beneficial solutions.

    • I prioritize open communication and actively listen to all team members' perspectives.

    • I have experience using conflict resolution techniques such a

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest and on to point without deviations, they respect straight forwardness
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is the difference between abstract class and an interface in Java?
  • Ans. 

    Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

    • Abstract class can have constructors, member variables, and methods, while interface cannot.

    • A class can implement multiple interfaces but can only extend one abstract class.

    • Abstract classes are used to define a common behavior among subclasses, while interfaces are used to define a contract for classes to impl...

  • Answered by AI
  • Q2. An abstract class can have method implements and abstract method, while an interface only contains abstract method (before Java 8) . Abstract classes support single inheritance, whereas interfaces support ...
  • Ans. 

    Abstract classes can have both implemented and abstract methods, while interfaces can only have abstract methods. Abstract classes support single inheritance, interfaces support multiple inheritance.

    • Abstract classes can have both implemented and abstract methods, providing more flexibility in design.

    • Interfaces can only have abstract methods, promoting a more strict contract for implementing classes.

    • Abstract classes sup...

  • Answered by AI

Software Developer Interview Questions & Answers

Snovasys user image 218A1A05A9 GOGATI GOVARDHAN

posted on 1 Nov 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

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

Round 1 - Aptitude Test 

(2 Questions)

  • Q1. Number series in aptitude
  • Ans. 

    Number series in aptitude involves identifying the pattern in a sequence of numbers and predicting the next number.

    • Look for patterns such as arithmetic progression, geometric progression, or a combination of both.

    • Check for alternate numbers, differences between consecutive numbers, or multiplication factors.

    • Consider prime numbers, squares, cubes, or other mathematical operations applied to the series.

    • Example: 2, 4, 6, ...

  • Answered by AI
  • Q2. Relation ships in berbal
  • Ans. 

    Relationships in verbal communication are crucial for effective collaboration and understanding.

    • Verbal communication involves both verbal and non-verbal cues

    • Active listening is key to building strong relationships in verbal communication

    • Clarity and conciseness in speech can enhance relationships

    • Empathy and understanding of others' perspectives are important in verbal relationships

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Explain the four branches of oops
  • Ans. 

    The four branches of OOP are encapsulation, inheritance, polymorphism, and abstraction.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Inheritance: Allowing a class to inherit properties and behavior from another class.

    • Polymorphism: The ability for objects of different classes to respond to the same method call.

    • Abstraction: Hiding the complex implementation details and showing only

  • Answered by AI
  • Q2. Explain about the structures in c
  • Ans. 

    Structures in C are user-defined data types that allow grouping of variables of different data types under a single name.

    • Structures are used to represent a record which consists of different data types.

    • They are defined using the 'struct' keyword.

    • Each variable in a structure is called a member.

    • Structures can be nested within other structures.

    • Example: struct employee { int emp_id; char emp_name[50]; float emp_salary; };

    • E

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Tell Me about yourself
  • Q2. What is C# and coding.
Round 2 - HR 

(1 Question)

  • Q1. What is your CCTC?

Interview Preparation Tips

Interview preparation tips for other job seekers - Consider this company your last choice.
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Questions on string and arrays both are moderate level questions on hacherrank type for 20 marks

Round 2 - Technical 

(2 Questions)

  • Q1. Constructor chaining
  • Q2. Hasmap and treemap
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Assignment 

Give 10 questions from node js backend

Round 2 - One-on-one 

(6 Questions)

  • Q1. Ask about angular and node js
  • Q2. What is package.json
  • Ans. 

    package.json is a file used in Node.js projects to manage dependencies, scripts, and metadata.

    • It is a JSON file that contains information about the project, such as name, version, dependencies, and scripts.

    • It is used to manage project dependencies by listing them in the 'dependencies' and 'devDependencies' fields.

    • It allows developers to define scripts for tasks like building, testing, and running the project.

    • Example: {...

  • Answered by AI
  • Q3. What is components in angular,how share data to component
  • Ans. 

    Components in Angular are building blocks of an application. Data can be shared between components using input properties and output events.

    • Components in Angular are reusable, self-contained units of code that define a part of the user interface.

    • Data can be shared to a component using input properties, where data is passed from the parent component to the child component.

    • Data can also be shared from a child component t...

  • Answered by AI
  • Q4. What is === and == ,and wher use === is real time projects
  • Ans. 

    === is strict equality operator, while == is loose equality operator. === is commonly used in real-time projects for accurate comparisons.

    • === is a strict equality operator that checks both value and type of operands

    • == is a loose equality operator that only checks the value of operands

    • === is commonly used in real-time projects to ensure accurate comparisons and prevent unexpected type coercion issues

  • Answered by AI
  • Q5. Write arrow function syntax
  • Ans. 

    Arrow function syntax in JavaScript

    • Arrow functions are concise syntax for writing function expressions in JavaScript

    • They have a shorter syntax compared to traditional function expressions

    • They do not have their own 'this', 'arguments', 'super', or 'new.target' keywords

  • Answered by AI
  • Q6. What is difference between arrow function and anonymous function
  • Ans. 

    Arrow functions are concise syntax for writing function expressions, while anonymous functions do not have a name.

    • Arrow functions have a shorter syntax compared to anonymous functions.

    • Arrow functions do not have their own 'this' keyword, while anonymous functions do.

    • Arrow functions do not have 'arguments' object, while anonymous functions do.

    • Arrow functions are not hoisted, while anonymous functions are hoisted.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare about ur role

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. 3 Question was there related to architecture and Computer networks.
Round 2 - Technical 

(2 Questions)

  • Q1. Microservices and Monolith.
  • Q2. Leetcode hard Sum.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude questions with some basic coding questions

Round 2 - Coding Test 

They have given 3 coding questions and some pseudo codings

Round 3 - Technical 

(2 Questions)

  • Q1. Tell about your self
  • Q2. Some coding questions

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in May 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

It is easy to solve the Aptitude question and some identifying outputs of program.

Round 2 - HR 

(2 Questions)

  • Q1. What is class?and write a logic for object in a class.
  • Ans. 

    A class is a blueprint for creating objects in object-oriented programming.

    • A class defines the properties and behaviors of objects.

    • An object is an instance of a class.

    • Example: Class 'Car' can have properties like 'color' and 'model', and behaviors like 'drive' and 'stop'.

  • Answered by AI
  • Q2. 1.swap two numbers without using temp variable 2.Reverse the string.
  • Ans. 

    Swap two numbers without using temp variable and reverse a string without using built-in functions.

    • To swap two numbers without using temp variable, use bitwise XOR operation.

    • To reverse a string without using built-in functions, use two pointers approach.

    • Example for swapping numbers: a = a ^ b; b = a ^ b; a = a ^ b;

    • Example for reversing a string: use two pointers to swap characters from start and end of the string.

  • Answered by AI
Round 3 - Coding Test 

Now, I am preparing for the third round.
So, I don't know the Coding Question.

Interview Preparation Tips

Topics to prepare for ClaySys Software Developer interview:
  • Java, SQL
Interview preparation tips for other job seekers - What you have given in your Resume that will be your Question.
Must Strong in Basics of Java and SQL commands.

Big Oh Notation Interview FAQs

How many rounds are there in Big Oh Notation Reactjs Developer interview?
Big Oh Notation interview process usually has 1 rounds. The most common rounds in the Big Oh Notation interview process are One-on-one Round.

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Big Oh Notation Reactjs Developer Interview Process

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