I/O system

Choice questions

assessing knowledge of Java, Core Java, I/O system, Lambda Expressions, Exceptions

Code gaps

assessing knowledge of Java, Core Java, I/O system, Lambda Expressions, Network Communication

Programming task - Level: Hard

Java | Library application - Create an application that allows the library to manage books, their borrowings and prepare some reports about books that were not returned on time. Finish implementation of the missing service methods.

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 Java, Spring Boot

Code gaps

assessing knowledge of Core Java, Exceptions, Java, Generics, I/O system

Programming task - Level: Medium

Java | Couchbase, Spring Boot | Card Payments - Create a card payment processing microservice. Finish the implementation of saving payment data into Couchbase and communicate with other services.

Choice questions

assessing knowledge of Java

Programming task - Level: Medium

Java 11+ | Spring Cloud | Microstore | Microservices with RESTful and asynchronous communication - Implement REST and Asynchronous communication

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.

Choice questions

assessing knowledge of Java

Programming task - Level: Medium

Java | Selenium | Data Extraction - Implement two methods at SeleniumExtractor class to extract some information.

Choice Questions

Verify knowledge of Spring: constructor-based injection, context hierarchy, and Context, Dependency Injection

Choice Questions

Verify knowledge of Java: Collections, Concurrent Maps, and File Handling

Programming task

Implement the ParserService#parseString method in a Spring application

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.