Pergunta de entrevista da empresa Capgemini

I was interviewed for the Java springboot Developer role. So my question were mainly on 1.Core Java topics( string constan pool, Immutable classes, multithreading, exception handling likewise) mainly concentrate on simple data structure and collection framework snippets. 2.Java 8 features(Lambda expression, Stream api, Functional interface) 3.Spring amd Spring boot features. 4.Hibernate.