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Ajinorah Global Ventures Interview Questions and Answers

Updated 25 Nov 2024

Q1. File manger System in React

Ans.

A file manager system in React allows users to upload, download, organize, and manage files within a web application.

  • Use React components to create a user interface for file management

  • Implement features like file upload, download, delete, and organize files into folders

  • Utilize libraries like react-dropzone for file upload functionality

  • Store file data in a database or cloud storage for persistence

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Q2. how would ypu explain the traversal of graphs

Ans.

Traversal of graphs involves visiting each vertex and edge in a graph in a systematic way.

  • Traversal can be done using algorithms like Depth First Search (DFS) or Breadth First Search (BFS).

  • DFS explores as far as possible along each branch before backtracking, while BFS explores neighbors before moving on.

  • Traversal can be used to find paths, cycles, connected components, or perform other graph operations.

  • Example: Traversing a social network graph to find friends of friends.

  • Exa...read more

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Asked in
SDE Interview

Q3. what is the work flow of an api

Ans.

API workflow involves request, processing, and response.

  • Client sends a request to the API endpoint

  • API processes the request and performs necessary actions

  • API sends a response back to the client

  • API may also authenticate and authorize the request

  • API may also log the request and response for future reference

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Asked in
SDE Interview

Q4. how to reverse linked list

Ans.

Reverse a linked list by changing the direction of the pointers.

  • Iterate through the list and change the direction of the pointers

  • Keep track of the previous, current and next nodes

  • Set the next pointer of the current node to the previous node

  • Move to the next node and repeat until the end of the list is reached

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Q5. tell us about threads

Ans.

Threads are lightweight processes within a program that can run concurrently, allowing for multitasking and improved performance.

  • Threads share the same memory space within a process

  • Threads can communicate with each other through shared memory or message passing

  • Examples of threading libraries include pthreads in C/C++ and Java's Thread class

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Q6. Define polymorphism

Ans.

Polymorphism is the ability of a single function or method to operate on different types of data.

  • Polymorphism allows objects of different classes to be treated as objects of a common superclass.

  • It enables a single interface to represent multiple data types.

  • Examples include method overloading and method overriding in object-oriented programming.

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