Zomato Lamp Developer Interview Questions, Process, and Tips

BFS Implementation of a jug question.

Q1. Few hashmap questions
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Q2. Object Oriented Programming questions
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It was mostly around Frontend and JavaScript, asked basic questions on javascript. Then they gave me a problem to make form with multiple steps where every step has some form fields, handle state and validations for such form. After building the solution he asked follow up questions like what if form is dynamic.

Q1. It was a normal discussion around my past projects and experiences.
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Q1. Genral Discussion
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Q1. Lifecycle methods of activity
Ans. 
Lifecycle methods of activity are callback methods that allow you to manage the state of an activity throughout its lifecycle.
• onCreate() - called when the activity is first created

• onStart() - called when the activity is becoming visible to the user

• onResume() - called when the activity will start interacting with the user

• onPause() - called when the activity is going into the background, but is still visible

• onStop() - ca...read more
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Q2. What is inline function
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An inline function is a function that is expanded in place at the point of call, rather than being called as a separate function.
• Inline functions are typically used for small, frequently called functions to reduce the overhead of function calls.

• They are defined with the 'inline' keyword in C++.

• Inline functions can improve performance by avoiding the overhead of function call stack operations.

• Example: inline int square(
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Q1. System design Shortner URL
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Q1. About yourself hobbies
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Q1. Attended first round interview dec 2023
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Q2. Asked some basic js and angular question
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Q3. What is hoisting?
Ans. 
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their scope during the compilation phase.
• Hoisting applies to both variable and function declarations.

• Variable declarations are hoisted but not their initializations.

• Function declarations are fully hoisted, allowing them to be called before they are defined.

• Hoisting does not apply to variables declared with let or const.

• Ho...read more
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Q4. Difference between display-block and inline-block
Ans. 
display-block makes an element a block-level element, taking up the full width of its container. inline-block allows other elements to sit beside it.
• display-block makes an element a block-level element

• display-block takes up the full width of its container

• inline-block allows other elements to sit beside it
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Q5. Parent child communication in angular
Ans. 
Parent child communication in Angular is a way to pass data and trigger actions between components.
• Use @Input decorator to pass data from parent to child component

• Use @Output decorator and EventEmitter to emit events from child to parent component

• Use ViewChild decorator to access child component from parent component

• Use services to share data between unrelated components
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Provide three screenshot of matrimony app to create a angular application.

Aptitude,reasoning,english skills

Q1. OOPs concept, Programming
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Q1. Salary discussion
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Q1. Build system for Tiny URL
Ans. 
Build a system for generating and managing Tiny URLs
• Use a unique identifier for each long URL to generate a short URL

• Store the mapping of short URL to long URL in a database

• Implement a redirect mechanism to redirect users from short URL to long URL

• Consider adding expiration dates for short URLs to manage storage

• Implement analytics to track usage of short URLs
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