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I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
React hooks are functions that let you use state and other React features without writing a class.
Hooks are functions that let you use state and other React features in functional components
useState() is a hook that allows you to add state to functional components
useEffect() is a hook that allows you to perform side effects in functional components
useContext() is a hook that allows you to use the context API in functio
Liskov Substitution Principle states that objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.
Subtypes must be substitutable for their base types.
Derived classes must be able to replace their base classes without affecting the program's behavior.
Violating this principle can lead to unexpected behavior and errors in the code.
Example: If a program expec...
Oops concept is a programming paradigm that focuses on objects and classes.
Oops stands for Object-Oriented Programming
Key concepts include inheritance, encapsulation, polymorphism, and abstraction
Examples: Class Car with properties like make, model, and methods like start(), stop()
Example: Inheritance - Class SUV extends Car and adds property numSeats
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I applied via Naukri.com and was interviewed in Feb 2021. There was 1 interview round.
Reverse an integer
Convert integer to string and reverse the string
Use modulo operator to extract digits and reverse them
Use recursion to reverse the integer
Print 1 to 10 without using loops.
Use recursion to print numbers.
Use a switch statement to print numbers.
Use an array and map function to print numbers.
Reverse a string using recursion
Create a function that takes a string as input
If the string is empty, return an empty string
Otherwise, call the function recursively with the substring starting from the second character
Concatenate the first character with the result of the recursive call
Thread is a lightweight unit of a process. Process is an instance of a program that runs independently.
Threads share the same memory space as the parent process while processes have their own memory space.
Threads are faster to create and switch between than processes.
Processes are more secure and stable than threads.
Example: A web server can have multiple threads to handle multiple requests simultaneously.
Example: A wo...
SPI and I2C are communication protocols used to transfer data between devices.
SPI is faster than I2C.
SPI uses separate lines for data and clock signals while I2C uses a shared line.
I2C supports multiple devices on the same bus while SPI requires a separate chip select line for each device.
SPI is commonly used for high-speed communication between microcontrollers and peripherals while I2C is used for low-speed communica
The start condition for SPI is a low-to-high transition on the SCK line while SS is high.
SPI communication begins when the master device sends a start condition to the slave device.
The start condition is a low-to-high transition on the SCK line while SS is high.
The SS line is used to select the slave device for communication.
The SPI protocol supports multiple slaves, but only one slave can be selected at a time.
After t...
C++ program to store EMP ID, name, and salary using array of strings.
Declare an array of strings to store EMP ID, name, and salary
Use cin to take input from user and store in the array
Use cout to display the stored data
Experiment based question
posted on 8 Feb 2022
I applied via Recruitment Consulltant and was interviewed in Aug 2021. There were 3 interview rounds.
posted on 1 Dec 2024
I applied via Referral and was interviewed before Dec 2023. There were 2 interview rounds.
Software development life cycle is a process used by software developers to design, develop, test, and deploy software applications.
SDLC consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.
Each phase has its own set of activities and deliverables to ensure the successful completion of the project.
Examples of SDLC models include Waterfall, Agile, Scrum, and DevOps.
SDLC...
Two coding questions. One using quick sort. The other one was for prime numbers
posted on 31 May 2021
I applied via Company Website and was interviewed in May 2021. There were 4 interview rounds.
Multithreading in Java allows multiple threads to execute concurrently within a single program.
Java provides built-in support for multithreading through the java.lang.Thread class.
Threads can be created by extending the Thread class or implementing the Runnable interface.
Synchronization is used to prevent race conditions and ensure thread safety.
Java also provides several classes and interfaces for managing thread exec...
posted on 5 Sep 2022
I applied via Recruitment Consulltant and was interviewed in Sep 2023. There was 1 interview round.
I applied via unstop and was interviewed before Oct 2023. There were 3 interview rounds.
It was medium to difficult level test
posted on 31 Oct 2023
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
It was an MCQ based test. Code Snippets as well as OOPS, OS, DBMS questions were there
based on 1 interview
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