10+ MetLife Interview Questions and Answers

LUDO game can be implemented using object-oriented programming concepts and graphics libraries.

• Create classes for game board, players, and game pieces

• Implement game logic for dice rolls, moving pieces, and capturing opponent pieces

• Use graphics libraries to create a visually appealing game interface

• Incorporate sound effects and animations to enhance user experience

To avoid then chain and make API call effective through promise, use async/await syntax.

• Use async keyword before the function definition.

• Use await keyword before the API call.

• Wrap the API call in try-catch block to handle errors.

• Use Promise.all() to make multiple API calls simultaneously.

• Use Promise.race() to get the result of the fastest API call.

• Use .finally() to perform actions after the API call is complete.

I prefer not to disclose my current CTC. My expected CTC is based on industry standards and my experience.

• Politely decline to disclose current CTC

• Provide expected CTC based on industry standards and experience

• Research industry standards and salary ranges for similar positions

• Consider other benefits and perks besides salary

Reverse a string without reversing integer in it

• Iterate through the string and swap characters from start and end until the middle is reached

• Use two pointers, one at the start and one at the end of the string

• Check if the character at the start pointer is a digit, if yes, move the pointer to the next character

• Check if the character at the end pointer is a digit, if yes, move the pointer to the previous character

Context API is a feature in React that allows sharing data between components without passing props.

• Context API provides a way to pass data through the component tree without having to pass props down manually at every level.

• It consists of two parts: the Provider component and the Consumer component.

• The Provider component is used to wrap the components that need access to the data, and the Consumer component is used to access the data.

• Context API is useful for managing global...read more

Filter in JavaScript is a method used to create a new array with elements that pass a certain condition.

• Filter method creates a new array with elements that satisfy a provided function.

• It does not modify the original array, but returns a new array.

• Example: const numbers = [1, 2, 3, 4, 5]; const evenNumbers = numbers.filter(num => num % 2 === 0); // [2, 4]

React life cycle hooks are methods that allow you to hook into the component's life cycle events.

• There are three phases of a component's life cycle: Mounting, Updating, and Unmounting.

• Mounting phase includes methods like constructor, render, and componentDidMount.

• Updating phase includes methods like shouldComponentUpdate, render, and componentDidUpdate.

• Unmounting phase includes method componentWillUnmount.

• Hooks can be used to perform actions at specific points in the componen...read more

PUT is used to update an existing resource while POST is used to create a new resource.

• PUT replaces the entire resource while POST only updates part of it.

• PUT is idempotent while POST is not.

• PUT requires the client to send the entire updated resource while POST only requires the updated fields.

• PUT is used for idempotent operations while POST is used for non-idempotent operations.

Test cases for cart option in Flipkart

• Verify that items can be added to the cart

• Verify that items can be removed from the cart

• Verify that the cart displays the correct quantity and price

• Verify that the cart can be emptied

• Verify that the user can proceed to checkout from the cart

Test cases for adding an item to the cart

• Verify that the item is added to the cart

• Verify that the item count in the cart is incremented

• Verify that the total price in the cart is updated

• Verify that the item details are correct in the cart