Video Weekend #89. We analyze the difference between competitive and parallel execution of tasks, try to get a full-time remote job, write an “alarm clock” in Java and delve into the development of client/server applications

Multithreading Basics. Competitive and parallel execution of tasks. What is the difference?

Where should you use Concurrency (competitive execution of tasks), and where should you use Parallel Execution (parallel execution of tasks)? Java developer Alexey Korolev will tell you the answer to this question. In his video, he explains what combinations there are, what the difference is between Concurrency and Parallel Execution, and whether you should consider the number of processor cores on your computer before running a program.

Dina Kazakevich - full-time remote work for foreign companies

Just a few years ago, remote work in IT was mostly associated with freelancing. However, the pandemic and the rise of programs like Zoom have changed everything dramatically. Nowadays, full-time remote work has become commonplace for most IT specialists. Full-time remote work has an important advantage - it expands employment opportunities in foreign companies. Dina Kazakevich’s video talks about how to correctly respond to remote vacancies, how to pass an interview and negotiate the terms of a contract.

Android. Writing an “Alarm Clock” application

Looking for a way to practice creating simple Java applications? Pay attention to the video of Sergei Arkhipov. In it, he shows how to write an Android mobile application “Alarm Clock” in Java. When working on the program, we used AlarmManager and the setAlarmClock() function. In the description under the video, the source code of the application is posted on GitHub.

Unity + Java. Client/server application

If you want to improve your client/server application development skills, watch Sergei Golitsyn's video. The author explains how to write a simple server in Java using gRPC. The video also covers the main points of the REST API and gRPC API, client development in Unity + C# using gRPC and client-server interaction.