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It was easy. Questions related to time and work
posted on 2 Apr 2024
I applied via campus placement at Pranveer Singh Institute of Technology, Kanpur and was interviewed before Apr 2023. There were 2 interview rounds.
Good level of test for 3 hours
Dependency Injection is a design pattern in which components are given their dependencies rather than creating them internally.
Allows for easier testing by providing mock dependencies
Promotes loose coupling between components
Improves code reusability and maintainability
Examples: Constructor injection, Setter injection, Interface injection
In Java, exceptions can be handled using try-catch blocks to catch and handle specific exceptions.
Use try-catch blocks to catch exceptions and handle them gracefully
Use multiple catch blocks to handle different types of exceptions
Use finally block to execute code regardless of whether an exception is thrown or not
Throw custom exceptions using throw keyword
map transforms each element in a stream, while flatMap transforms each element into multiple elements
map applies a function to each element in a stream and returns a new stream of the results
flatMap applies a function that returns a stream for each element in the original stream, then flattens the streams into a single stream
Example: map - stream.map(x -> x * x), flatMap - stream.flatMap(str -> Arrays.stream(str.split(
ConcurrentModificationException occurs when a collection is modified while iterating over it.
Use Iterator to iterate over the collection instead of foreach loop.
If modification is necessary, use Iterator's remove() method instead of collection's remove() method.
Consider using synchronized collections or ConcurrentHashMap to avoid ConcurrentModificationException.
posted on 20 Jul 2024
Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
Use try-catch blocks to handle exceptions
Use finally block to execute code regardless of exception
Use throw keyword to manually throw exceptions
Use throws keyword in method signature to declare exceptions that can be thrown
Basic aptitude questions held online with their portal
Broad coding and basic oops
posted on 17 Apr 2024
I applied via Company Website and was interviewed in Mar 2024. There were 3 interview rounds.
We will get one assessment link which have 2 coding questions.
We get another link for aptitude test after clearing first assessment only.
Boarding pass code refactoring involves optimizing and improving the code for generating boarding passes.
Identify redundant or inefficient code and streamline the process
Use object-oriented programming principles to improve code structure
Implement design patterns like Factory Method for generating different types of boarding passes
Optimize algorithms for generating and displaying boarding pass information
posted on 27 Mar 2023
I applied via Campus Placement and was interviewed in Sep 2022. There were 7 interview rounds.
It was a comprehensive aptitude & reasoning exam
You have to be very good at speaking to clear this round.
Tow medium hard level coding questions
I applied via Recruitment Consulltant and was interviewed in Nov 2022. There were 3 interview rounds.
I have been working as a Software Engineer for the past 5 years, specializing in developing web applications using Java and JavaScript.
Proficient in Java and JavaScript
Experience in developing web applications
Strong understanding of software development principles
Familiarity with agile methodologies
Knowledge of database management systems
Experience with version control systems like Git
Ability to work in a team and comm
Coding Round two questions with OOPs concepts
based on 1 interview
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