Impelsys Senior Software Engineer Interview Questions and Answers

Integration, middleware, and EAI systems are technologies that enable communication and data exchange between different software applications.

• Integration involves connecting different software applications to enable data exchange and communication.

• Middleware is software that sits between different applications and facilitates communication and data exchange.

• EAI (Enterprise Application Integration) systems are a type of...read more

Map object is an instance of Map class while map is a data structure that stores key-value pairs.

• Map object is mutable while map is immutable

• Map object can have any type of key while map keys are restricted to hashable types

• Map object has methods like set(), get(), delete() while map has no such methods

• Map object is used in object-oriented programming while map is used in functional programming

Map transforms arrays, while map objects transform key-value pairs, each returning a new structure.

• Array.map() takes an array and applies a function to each element, returning a new array. Example: [1, 2, 3].map(x => x * 2) results in [2, 4, 6].

• Map objects (Map) store key-value pairs and allow for any data type as keys. Example: let myMap = new Map(); myMap.set('a', 1);

• Array.map() is used for transforming data in ar...read more