Hudson's Bay Company Software Developer Interview Questions and Answers

Q1. Laravel based questions
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Q1. Basic questions
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Q1. What is garbage collector in python
Ans. 
Garbage collector in Python is a built-in feature that automatically manages memory by reclaiming unused memory space.
• Garbage collector in Python helps in automatically deallocating memory of objects that are no longer in use.

• It prevents memory leaks by freeing up memory that is no longer needed.

• Python's garbage collector uses reference counting and a cycle-detecting algorithm to manage memory efficiently.
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2 coding questions from dsa. one quest was from trees ds

Q1. Why did you choose target
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Q2. Minus points in you that you can share with us
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3 sum problem was asked to complete

Take home project to design app

Mettl test , scored 90% still didn't get shortlist for tech round

Q1. Web services spring react
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Q2. Java code string
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Q1. Why string arr immutable
Ans. 
String arrays are immutable because they cannot be changed once created.
• Strings in an array cannot be modified individually

• Any changes to a string array result in a new array being created

• Immutable arrays ensure data integrity and prevent unintended side effects
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Q2. How we can create a custom immutable class
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To create a custom immutable class, use final keyword for class, private final fields, and no setter methods.
• Use the final keyword for the class to prevent inheritance

• Declare all fields as private and final to prevent modification

• Do not provide setter methods for the fields to maintain immutability

• Provide getter methods to access the fields
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Q1. AWS questions, Behavioral questions
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Create some kind of system design (some kind of app)

Basic java question, design questions, 1 data structure question

Q1. Asked puzzle and previous project experience
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Q2. Monitor microservices using Spring actuator
Ans. 
Spring Actuator provides endpoints to monitor and manage microservices in a Spring Boot application.
• Add Spring Boot Actuator dependency in pom.xml

• Enable Actuator endpoints in application.properties or application.yml

• Access Actuator endpoints like /actuator/health, /actuator/info, etc.

• Customize Actuator endpoints using configuration properties
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Q3. How webflux works
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Webflux is a reactive programming framework for building non-blocking, event-driven applications on the JVM.
• Webflux is part of the Spring Framework and provides support for reactive programming.

• It allows developers to build asynchronous, non-blocking applications that can handle a large number of concurrent connections.

• Webflux uses Project Reactor, a reactive library for building reactive applications.

• It supports both ...read more
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