Tripjack Interview Questions and Answers

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

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

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

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

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