Pergunta de entrevista da empresa Publicis Sapient

Questions related to Junit testing, Java 8 (functional), SQL (joins , concat , groupby ,subqueries). Multithreading, Resful Webservices. JVM - new features in Java 8 in JVM. Memory in JVM and how each of them work. Internal working of HashMap and TreeMap. Stream API is a must have knowledge ,if you are appearing for Sapient. Almost all questions were to be presented with an example code.