Stream API

Choice questions

assessing knowledge of Core Java, Java, Stream API, I/O system, Date and Time

Code gaps

assessing knowledge of Core Java, Java, Network Communication

Programming task - Level: Medium

Java | Azure | Production summarizer - Create an Azure function. Your current task is to finish implementation of production summarizer returning information about how many cars were produced by a particular plant.

Choice questions

assessing knowledge of API, Java

Code gaps

assessing knowledge of Java, Java Stream API, Streams

Programming task - Level: Medium

Java | Standard Search Engine - Implement engine for product searching based on simple and compound predicates.

Choice questions

assessing knowledge of Java

Programming task - Level: Medium

Java | Spring Security | Secure POST - Secure an enterprise application by allowing the administrator only to call state changing endpoints.

Choice questions

assessing knowledge of Java

Programming task - Level: Medium

Java | Orders Analyzer | Find an average order value for every weekday - Implement OrdersAnalyzer#averageDailySales method that returns a map of days of a week and rounds the average value to the nearest integer.

Choice questions

assessing knowledge of Java, CleanCode

Programming task - Level: Medium

Spring Security - Secure methods to allow only the article author to create and read an article with his name, using method annotations.

Choice questions

assessing knowledge of Java, CleanCode

Programming task - Level: Medium

Spring Security - Secure ArticleService so that it returns only those articles in locale that are equal to the one currenntly used.

Choice questions

assessing knowledge of Java, CleanCode

Programming task - Level: Medium

Java | Logs Analyzer | Count matching log file entries - Complete a method which counts the lines within a ZIP file matching search strings.

Collections questions

assessing knowledge of Collections API

Concurrency questions

assessing knowledge of concurrency

Programming task

extracting method metadata with Reflections API

Choice questions

assessing knowledge of Java standard API

Programming task

flights manager application, candidate needs to implement two business methods for finding flights between two cities and generating a seats list for a plane. Requires Java knowledge.