NeoSOFT Senior Software Engineer Interview Questions, Process, and Tips for Experienced

Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods.

• Abstract classes can have state (fields), while interfaces cannot.

• A class can inherit from only one abstract class but can implement multiple interfaces.

• Abstract classes can provide default behavior, whereas interfaces cannot.

• Example: An abstract class 'Animal' can have a method 'makeSound()', while an interfac

Promises in JavaScript are objects that represent the eventual completion or failure of an asynchronous operation.

• Promises are used to handle asynchronous operations such as fetching data from an API or reading a file.

• They provide a cleaner and more readable way to write asynchronous code compared to using callbacks.

• Promises have three states: pending, fulfilled, or rejected.

• They can be chained together using methods l...read more

setTimeout() is a function in JavaScript that allows you to delay the execution of a function for a specified amount of time.

• setTimeout() takes two parameters: a function to be executed and a delay time in milliseconds

• The function passed to setTimeout() is executed once after the specified delay

• setTimeout() returns a unique identifier (timeout ID) that can be used to cancel the execution of the function using clearTime...read more