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Ajinorah Global Ventures Interview Questions and Answers
Q1. File manger System in React
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
Q2. how would ypu explain the traversal of graphs
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
Q3. what is the work flow of an api
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
Q4. how to reverse linked list
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
Q5. tell us about threads
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
Q6. Define polymorphism
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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