JioStar Interview Questions and Answers

Q1. Merge 2 sorted Arrays
Ans. 
Merging two sorted arrays into a single sorted array
• Create a new array to store the merged result

• Use two pointers to iterate through both arrays and compare elements

• Add the smaller element to the new array and move the pointer for that array
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Q2. Write polyfill for getElementById
Ans. 
Polyfill for getElementById function in JavaScript
• Create a function named getElementById

• Check if the function already exists, if not, create it

• Use document.querySelector to select the element by ID

• Return the selected element
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Q3. What are the new features in React 18 ? Optimisation techinques in React ? Concurrency in React ?
Ans. 
React 18 introduces new features like automatic batching, start transition, and streaming server renderer. It also focuses on performance optimizations and concurrent rendering.
• New features in React 18 include automatic batching, start transition, and streaming server renderer.

• Optimization techniques in React 18 involve concurrent rendering, improved scheduling, and reduced re-renders.

• Concurrency in React 18 allows for...read more
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Q1. HLD round to develop Autocomplete feature End to End with API contracts and architecture.
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Q2. Remove duplicate characters from a sentence
Ans. 
Remove duplicate characters from a sentence
• Create an empty array to store unique characters

• Iterate through each character in the sentence

• Check if the character is already in the array, if not add it
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Q1. Tell me about yourself.
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Q2. What are your current role and responsibilities?
Ans. 
As a Software Developer, I design, develop, and maintain software applications while collaborating with cross-functional teams.
• Developing web applications using JavaScript frameworks like React and Node.js.

• Collaborating with UX/UI designers to create user-friendly interfaces.

• Writing unit tests and conducting code reviews to ensure code quality.

• Participating in Agile ceremonies, such as daily stand-ups and sprint planni...read more
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Q1. Why we do revaluation of assets
Ans. 
Revaluation of assets is done to reflect their current market value and ensure accurate financial reporting.
• To reflect the true value of assets on the balance sheet

• To comply with accounting standards and regulations

• To provide stakeholders with accurate financial information

• To make informed decisions regarding asset management and investment

• To prevent overvaluation or undervaluation of assets

• Example: Revaluing real esta...read more
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Q1. Whatvis revaluation of assets
Ans. 
Revaluation of assets is the process of adjusting the value of assets on a company's balance sheet to reflect their current market value.
• Revaluation is typically done for assets such as property, plant, and equipment.

• The purpose is to ensure that the assets are carried at a more accurate value on the balance sheet.

• Revaluation can result in an increase or decrease in the value of assets, which impacts the company's fina...read more
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Q1. What is deferred tax with example
Ans. 
Deferred tax is a balance sheet item that represents the tax consequences of temporary differences between accounting income and taxable income.
• Deferred tax is a liability or asset that arises from temporary differences between accounting income and taxable income.

• It is recorded on the balance sheet and represents taxes that will be paid or saved in the future.

• Example: If a company uses accelerated depreciation for tax...read more
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Q2. IFRS related question
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Basic normal average questions to be prepared

Q1. Define oops and the four pillars in detail
Ans. 
OOPs stands for Object-Oriented Programming. The four pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects, which can contain data in the form of fields (attributes or properties) and code in the form of procedures (methods or functions).

• The four pillars of OOP are Inheritance, Encapsulation, Abstraction, and Po...read more
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Q2. Write code to reverse a dtring
Ans. 
Code to reverse a string in JavaScript
• Use the split() method to convert the string into an array of characters

• Use the reverse() method to reverse the array

• Use the join() method to convert the reversed array back into a string
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