Interview Questions and Answers

LinkedList is a data structure where each element points to the next element, while ArrayList is a resizable array implementation.

• LinkedList uses pointers to connect elements, while ArrayList uses an underlying array to store elements.

• LinkedList allows for efficient insertion and deletion of elements, while ArrayList is more efficient for random access.

• LinkedList is not contiguous in memory, while ArrayList is contiguous in memory.

• Example: LinkedList: 1 -> 2 -> 3 -> 4, ArrayL...read more

Code for sorting an array of strings

• Use a sorting algorithm like bubble sort, selection sort, or quicksort

• Implement the sorting algorithm in a function that takes an array of strings as input

• Return the sorted array of strings

Recursion is a programming technique where a function calls itself in order to solve a problem.

• Recursion involves breaking down a problem into smaller subproblems and calling the function recursively on each subproblem.

• Base case is important in recursion to prevent infinite loop.

• Examples of recursive functions include factorial calculation, Fibonacci sequence generation, and tree traversal.

React is a JavaScript library for building user interfaces.

• React is a popular JavaScript library for building user interfaces.

• To create a tab structure in React, you can use components like Tabs and TabPanels.

• When a tab is clicked, you can use state to show or hide the content of that tab.

Sales and marketing funnels are interconnected processes that guide potential customers from awareness to purchase.

• Sales funnel focuses on converting leads into customers through direct sales tactics.

• Marketing funnel focuses on generating awareness and interest in a product or service.

• Marketing activities feed into the top of the sales funnel by attracting potential customers.

• Sales activities further qualify and nurture leads generated by marketing efforts.

• Both funnels work t...read more