HackerRank Front end Engineer Interview Questions and Answers

It was an assessment conducted on a specific platform.

Q1. DSA and Basics of React and Dot.net
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Q1. What is jenkins pipeline
Ans. 
Jenkins pipeline is a suite of plugins that supports implementing and integrating continuous delivery pipelines.
• Jenkins pipeline allows defining a series of steps to be executed in a specific order.

• It can be written in a Jenkinsfile which is checked into source control.

• Pipeline stages can include building, testing, and deploying code.

• Pipeline scripts can be written in Groovy language.
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Q2. What is shared library in jenkins
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Shared libraries in Jenkins are reusable code libraries that can be used across multiple Jenkins pipelines.
• Shared libraries allow you to define common functions and classes that can be used in multiple Jenkins pipelines

• They help in reducing duplication of code and promoting code reusability

• Shared libraries are stored in source control repositories and can be versioned for better management

• They are typically written in ...read more
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Q1. Medium prepare well on data structure
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Q2. Find duplicate elements in array
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Q3. Remove duplicate elements in array
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Q1. Based on api fetching and data optimazation
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Q1. Basic hr questions like inmovation creation difference
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Q1. With manager one to one discussion on projects
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Q1. Generic DSA questions along with sql query
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Q1. Data and algorithm question ..eg. write program for Anagram
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Q2. Flutter output questions
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Q1. What is oops
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Q2. What is data structures (stack,queue)?
Ans. 
Data structures like stacks and queues organize data for efficient access and manipulation, following specific rules.
• Stack: Last In First Out (LIFO) structure. Example: Undo feature in text editors.

• Queue: First In First Out (FIFO) structure. Example: Print job management in printers.

• Stacks use push and pop operations; queues use enqueue and dequeue.

• Stacks can be implemented using arrays or linked lists; queues can also...read more
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Q3. What are looping in c++?
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Looping in C++ allows repeated execution of a block of code, enhancing efficiency and control in programming.
• Types of loops: for, while, and do-while.

• For loop example: 'for(int i = 0; i < 10; i++) { cout << i; }'

• While loop example: 'int i = 0; while(i < 10) { cout << i; i++; }'

• Do-while loop example: 'int i = 0; do { cout << i; i++; } while(i < 10);'

• Loops can be nested for complex iterations.
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Q4. What are switch case statements?
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