Full Stack android Developer Interview Questions and Answers

Use a loop to reverse a string in JavaScript without using the reverse method.

• Create an empty string to store the reversed string.

• Iterate through the original string from the last character to the first.

• Append each character to the empty string.

• Return the reversed string.

Creating a REST API using CRUD operations in React.js

• Use Axios or Fetch to make HTTP requests to the API endpoints

• Implement GET, POST, PUT, and DELETE methods for CRUD operations

• Set up routes and controllers to handle different API endpoints

• Use state management libraries like Redux or Context API for managing data

Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.

• Initialize variables for the first two numbers in the sequence (0 and 1)

• Use a loop to calculate the next number by adding the previous two numbers

• Repeat the process until reaching the desired length of the sequence