WebGo Software Labs Business Development Interview Questions and Answers

Q1. Core Java Questions like Interface, Abstraction, final, finally, Exception etc etc. Q: Reverse array in O(n) Q: Rotate array k time in O(n) ....some others questions also This round lasted for 90 mins
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Q1. Core java questions. Q: Create a linked list This round lasted for 20 mins
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Q1. Asked only about personal like. Also Told me about 2 years bond for which i will have to pay 50K it i break it. This round lasted for 10 mins
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Basic coding test . Two questions were given

Q1. Basic fresher question
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Q1. Let var const difference
Ans. 
var, let, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
• var is function-scoped and can be redeclared and reassigned

• let is block-scoped and can be reassigned but not redeclared

• const is block-scoped and cannot be reassigned or redeclared
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Q2. Polyfills of bind method
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Polyfills of bind method provide a way to use the bind method in older browsers that do not support it natively.
• Polyfill code typically checks if the bind method is available and if not, it creates a new function that mimics the behavior of bind.

• One common polyfill for the bind method is the following: Function.prototype.bind = Function.prototype.bind || function() { // polyfill code here };

• Polyfills are often used to ...read more
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Q1. Make a search bar in React
Ans. 
Create a search bar component in React for filtering data
• Create a functional component for the search bar

• Use state to store the search query

• Implement a onChange event handler to update the search query

• Filter the data based on the search query
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Q2. React js core concepts
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Q1. How you structure your work
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Q2. How you make a project from scratch
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Q1. DP related problems.
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Q2. Networking related questions
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Assignment to develop a prototype

Q1. Face to face questions
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Q2. Java Question Technical & coding
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Q3. Mongodb & Mysql Question
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Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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Q1. Largest island (graph question)
Ans. 
Find the largest connected component in a grid representing islands using graph traversal techniques.
• Use Depth-First Search (DFS) or Breadth-First Search (BFS) to explore the grid.

• Count the size of each island by marking visited cells.

• Example: In a 2D grid, '1' represents land and '0' represents water.

• Keep track of the maximum size encountered during traversal.
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Q2. SQL question related to joins
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Q1. About the databases and questions from system design
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Q1. Questions based on concurrency , suitable databases HLD,LLD,book my show design
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Q1. Salary discussion
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