Pergunta de entrevista da empresa Netcracker Technology
Core Java - new Features of Java8(that’s it- no counter questions :| ) Working of hashmap ( again no counter questions) Write a singleton class and make it thread safe Comparator vs comparable
Resposta da entrevista
Sigiloso
31 de jan. de 2021
Interfaces areLambda expressions API of java time Java stream API For each() method Hashmap is a array of the nodes it represents as a class HashMap Threads cant access its simultaneously Public Class GFG{} Comparator using sort collection of using two objects Comparable only one object provided