HyScaler Apprentice Interview Questions, Process, and Tips for Freshers

Consists of 5 coding questions in 2 hour

Give 7 days for complete the project

Q1. What is closure in javascript?
Ans. 
Closure in JavaScript is the combination of a function and the lexical environment within which that function was declared.
• Closure allows a function to access variables from its outer scope even after the outer function has finished executing.

• It is created whenever a function is defined within another function, and the inner function has access to the outer function's variables.

• Example: function outerFunction() { let o...read more
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Q2. Describe the project you done in your college.
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5 questions was there.

The assignment was to build the Construction Management System.

Q1. What is Closures
Ans. 
Closures are functions that have access to variables from their containing scope even after the function has finished executing.
• Closures allow functions to 'remember' variables from their outer scope

• They are commonly used in event handlers and callbacks

• Closures help in creating private variables in JavaScript
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Q2. What is Docker?
Ans. 
Docker is a platform for developing, shipping, and running applications in containers.
• Docker allows developers to package applications and their dependencies into containers.

• Containers are lightweight, portable, and isolated environments that can run on any system.

• Docker simplifies the process of building, deploying, and scaling applications.

• Example: Running a web server in a Docker container.
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Q3. What is Callback?
Ans. 
Callback is a function that is passed as an argument to another function and is executed after the completion of that function.
• Callback functions are commonly used in asynchronous programming to handle tasks that take time to complete.

• Examples include event listeners in web development, setTimeout function in JavaScript, and AJAX requests.

• Callbacks can be synchronous or asynchronous depending on the programming languag
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Q4. What is react state management
Ans. 
React state management is a way to manage and update the state of components in a React application.
• State management helps in storing and updating data within components.

• React provides built-in state management using the useState hook.

• For more complex state management, libraries like Redux or Context API can be used.

• State management helps in keeping the UI in sync with the data changes.
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Q1. Basic Hr questions
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Coding test was conducted on a online platform which was of easy level and there were 5 questions out of which atleast 3 were to be fully passed

A assignment will be given and 7 days will be given to complete it.

Q1. Closure in javascript?
Ans. 
Closure in JavaScript allows a function to access variables from its outer scope even after the outer function has finished executing.
• Closure is created when a function is defined within another function and has access to the outer function's variables.

• The inner function can access and modify the outer function's variables even after the outer function has returned.

• Closure is commonly used to create private variables a...read more
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Q2. Questions related to assignment given and projects
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Q1. Basic information about yourself
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Coding on array stack

Employee leave management system

Q1. Garbage collector in java
Ans. 
Garbage collector in Java is responsible for automatically managing memory by reclaiming unused objects.
• Garbage collector runs in the background to reclaim memory from objects that are no longer in use.

• It helps prevent memory leaks and optimize memory usage.

• Examples of garbage collectors in Java include Serial, Parallel, CMS, G1, and Z Garbage Collector.
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I was given 5 medium lever DSA question and was asked to solve in my preferred language. It was mostly 1 hr 20 min and to qualify I had to solve 3-4.

Q1. Several questions related to Web development. mostly question will be based on resume.
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It was taken 1 hr total

Based on some technologies like I got html,css,js,mysql.

Q1. Asked on DSA based basic topics such as array, string etc.
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Q2. Previously have worked on java so they were me on java also and based on assignment.
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Q1. Introduction, weakness, why to join
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