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Lloyds Technology Centre Reactjs Developer Interview Questions, Process, and Tips
Lloyds Technology Centre Reactjs Developer Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(9 Questions)
- Q1. Function declaration vs Function expression
- Ans.
Function declaration is hoisted and can be called before it's defined, while function expression is not hoisted and must be defined before it's called.
Function declaration is hoisted, function expression is not
Function declaration can be called before it's defined, function expression must be defined before it's called
Function declaration syntax: function myFunction() {}, function expression syntax: const myFunction =
- Q2. Event Looping in JS
- Ans.
Event Looping in JS is the mechanism that allows JavaScript to handle asynchronous operations by executing callback functions in a non-blocking way.
Event Loop is responsible for executing code, collecting and processing events, and executing queued sub-tasks.
JS is single-threaded, so Event Loop helps in managing asynchronous operations without blocking the main thread.
Tasks are added to the call stack, then executed an...
- Q3. JS timing events
- Q4. Error boundaries in JS
- Ans.
Error boundaries in JS help catch and handle errors in React components.
Error boundaries are React components that catch JavaScript errors anywhere in their child component tree.
They log errors and display a fallback UI instead of crashing the whole app.
To create an error boundary, define a new component with componentDidCatch(error, info) method.
Use error boundaries sparingly as they only catch errors in components be...
- Q5. How to mock test cases using jest and react-testing library
- Ans.
Mock test cases using jest and react-testing library
Use jest.fn() to create mock functions for testing
Use jest.mock() to mock dependencies
Use render() from react-testing library to render components for testing
Use fireEvent() from react-testing library to simulate user interactions
Use expect() from jest to make assertions on test results
- Q6. UseCallback, useRef, useState, useEffect, useMemo
- Q7. Higher Order Components
- Q8. Promise.all vs promise.any vs promise.race
- Q9. Closures, Hoisting
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Senior Software Developer Interview Questions & Answers
TSYS|Total System Services
Anonymous
posted on 10 Oct 2024
Selected
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(6 Questions)
- Q1. Solid principles
- Q2. OOPS concepts in c++
- Ans.
OOPS concepts in C++ include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: bundling data and methods that operate on the data into a single unit (class)
Inheritance: creating new classes based on existing classes, allowing for code reuse
Polymorphism: ability for objects of different classes to be treated as objects of a common superclass
Abstraction: hiding complex implementation details and sh
- Q3. Multi threading and its implementation
- Ans.
Multi threading is a programming concept where multiple threads run concurrently within a single process.
Multi threading allows for better utilization of CPU resources by running multiple tasks simultaneously.
Threads share the same memory space, which can lead to synchronization issues if not handled properly.
Examples of multi threading implementations include Java's Thread class, C#'s Task Parallel Library, and Python
- Q4. Diamond problem in c++
- Ans.
Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common base class.
Diamond problem can be resolved using virtual inheritance in C++.
Virtual inheritance ensures that only one instance of the common base class is inherited by the derived class.
Example: class A is inherited by classes B and C, then class D inherits from both B and C. Using virtual inheritance for class A re
- Q5. Types of inheritance and examples
- Ans.
Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.
Single inheritance: a class inherits from only one base class.
Multiple inheritance: a class inherits from more than one base class.
Multilevel inheritance: a class inherits from a class which in turn inherits from another class.
Hierarchical inheritance: multiple classes inherit from a single base class.
Hybrid inher...
- Q6. Runtime and compile time polymorphism
Interview Preparation Tips
Skills evaluated in this interview
(5 Questions)
- Q1. How are you today
- Q2. What's the weather today
- Ans.
The weather today is sunny with a few clouds and a high of 75 degrees.
Sunny weather with some clouds
High temperature of 75 degrees
Possibility of rain later in the day
- Q3. Why do you want to join
- Ans.
I am passionate about creating innovative software solutions and believe your company aligns with my values and goals.
Passionate about software development
Believe company aligns with values and goals
- Q4. What values do you have
- Ans.
I value continuous learning, collaboration, innovation, and integrity in my work as a software developer.
Continuous learning: I believe in staying updated with the latest technologies and trends in the industry.
Collaboration: I value working in a team and sharing knowledge and ideas with my colleagues.
Innovation: I strive to find creative solutions to problems and improve processes.
Integrity: I believe in honesty, tran...
- Q5. What do you like more, array or list
- Ans.
I prefer arrays for their fixed size and faster access, but lists for their flexibility and ease of manipulation.
Arrays are preferred for their fixed size and faster access time, especially when random access is required.
Lists are more flexible and easier to manipulate, especially when elements need to be added or removed frequently.
Arrays are typically used when the size of the collection is known beforehand, while li...
Skills evaluated in this interview
Senior Software Developer Interview Questions & Answers
Kotak Securities
Anonymous
posted on 8 Jul 2024
(2 Questions)
- Q1. DS & Algo topics
- Q2. GoLang concepts
(2 Questions)
- Q1. More on Server Architectural Questions
- Q2. Questions related to database & all
(2 Questions)
- Q1. Why are you switching the job
- Q2. What is your goal in next 5years
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(4 Questions)
- Q1. Ask to write code for equal and hashcode in notepad
- Q2. Type of Collections and its internal working
- Ans.
Java collections are data structures that store and manipulate groups of objects.
Types of collections include List, Set, Map, Queue, etc.
Internal workings involve data structures like arrays, linked lists, hash tables, etc.
Collections framework provides interfaces and classes for working with collections.
- Q3. Count number of occurrence of string from Array
- Ans.
Count occurrences of a specific string in an array of strings.
Iterate through the array and use a HashMap to store the count of each string.
Use the string as key and increment the count each time it is encountered.
Return the count of the specific string at the end.
- Q4. Write a code using stream
- Ans.
Using stream to filter a list of strings
Use the filter method to apply a predicate to each element in the stream
Convert the stream back to a list using the collect method
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Aadhar Housing Finance
Anonymous
posted on 15 Aug 2024
Aptitude test on engineering subjects
Writing projects in c
Interview Preparation Tips
I applied via campus placement at Dr Mahalingam College of Engineering & Technology, Coimbatore and was interviewed in Apr 2024. There were 2 interview rounds.
Basic Arithmetic Aptitude , Computer Application and SQL
(1 Question)
- Q1. Create a Fitness Tracking Application
- Ans.
A fitness tracking application to monitor and track user's physical activities and progress.
Include features like tracking steps, calories burned, distance traveled, and workout sessions.
Allow users to set goals, view progress charts, and receive notifications for reminders.
Integrate with wearable devices like Fitbit or Apple Watch for real-time data syncing.
Provide social sharing options to motivate users and compete ...
Interview Preparation Tips
- System Design
- SQL
- OOPS
Skills evaluated in this interview
It continues for 15 mins
Software Developer Interview Questions & Answers
Ameriprise Financial
Anonymous Anonymous
posted on 27 Oct 2023
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Basic core Java question
- Q2. Sql query based question
(1 Question)
- Q1. Normal coding question and work experience based question
Software Developer Interview Questions & Answers
SBI Cards & Payment Services
Anonymous
posted on 14 Feb 2024
Selected
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 3 interview rounds.
Easy - Medium questions
(1 Question)
- Q1. CS fundamentals/ Basic class diagram question
(1 Question)
- Q1. General behavioural questions
Lloyds Technology Centre Interview FAQs
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