AssetPlus Interview Questions and Answers

Closures are functions that have access to variables from their outer scope. Promises are objects used for asynchronous programming in JavaScript.

• Closures are created when a function is defined inside another function and the inner function has access to the outer function's variables.

• Closures allow for data encapsulation and private variables in JavaScript.

• Promises are used to handle asynchronous operations and provide a way to handle success or failure of those operations.

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Delete a node from a linked list given its reference

• Set the previous node's next pointer to the current node's next pointer

• Free the memory allocated to the current node

State management in functional components involves using hooks such as useState and useEffect.

• useState hook is used to manage state in functional components

• useEffect hook is used to handle side effects and update state

• React Context API can be used for global state management

• Redux can also be used for state management in functional components

I am familiar with Java, Python, and C++.

• Proficient in Java with experience in developing web applications using Spring framework

• Comfortable with Python for data analysis and scripting

• Familiar with C++ for competitive programming and algorithm development

Find the Nth node from the end of a linked list.

• Traverse the linked list and count the number of nodes.

• Calculate the position of the Nth node from the start.

• Traverse the linked list again and return the Nth node from the start.