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Design Patterns in Java
10 June 2019 12:27
Design patterns in Java [Part 1]
This is a short article on design patterns in Java. There won't be any pattern implementations, just a list of patterns in Java along with a brief description of each. For those already familiar with the subject, this will be helpful as a review and summary. Conversely, those who are learning about patterns...
Strings in Java
8 May 2019 14:32
Regular expressions in Java
Regular expressions is a topic that programmers, even experienced ones, often postpone for later. But sooner or later, most Java developers have to process textual information. Most often, this means searching and editing text. Without regular expressions, effective and compact text-processing code is simply...
2 May 2019 10:16
Cool projects you'll write during your CodeGym studies
Did you know that as soon as you cross CodeGym's 50-yard line (and you can actually get to this point very quickly) your teachers will invite you to complete some interesting mini-projects? Some of these tasks are described below. On Level 6 of the Java Multithreading quest, you'll write...
25 April 2019 12:15
What sorts of Java tasks do you have?
When someone starts learning how to program, whether alone or through online courses, it's very important to emphasize some domain and structure everything. In this article, we present our structure — Java tasks for beginners, with an indication how much any particular type of task is represented...
25 April 2019 7:32
Want to become a programmer
Want to know something more and more in our life. So Study and study..
25 April 2019 4:31
Java Level Up! A Room to Grow
Asking for tips on moving to another company. I have a 5 year experience in an IT company. 2 years in QA (manual and automation), 3 years in Innovation (1 year as a VBA programmer, another 2 years of mixed python and java scripting). Innovation team is an Agile team...
Professor Hans Noodles
2 April 2019 11:48
Here they are: meet the exciting new CodeGym Quests!
Greetings, friends! You’ve waited for this event for so long. You asked us “When it happens??” again and again. The answer is: today is the day X and we are happy to present you a new… no, two brand new Quests of CodeGym at once! That means you will get 323 new fascinating lectures and 565 coding tasks...
30 March 2019 11:26
How can I apply for a java programmer job?!
I have been learning JAVA for almost two years before I got regestered into the CODEGYM site, therefore I think that i have enough skills to apply for a junior developer job. In fact I know about java basics, OOP (Abstraction, encapsulation, inheritance, and polymorphism...)...
27 March 2019 18:34
For how long do we need to wait?
When will CodeGym unlock multithreading and collections quests? This is the greatest learning site for java programmers, but it's no longer going to be that great if we wait for a long time to get a new quest in this fast changing world of technology.
Java IO & NIO
26 March 2019 14:42
Practice working with the BuffreredReader and InputStreamReader classes
Hi! Today's lesson will be divided into two parts for convenience. We'll repeat some old topics that we touched on previously, and we'll consider some new features :) Let's start with the first one...
Design Patterns in Java
25 March 2019 14:09
Adapter design pattern
Hi! Today we will touch on an important new topic: design patterns. What are these patterns? I think you must know the expression "don't reinvent the wheel". In programming, as in many other areas, there are a large number of common situations. As software development has evolved...
Java IO & NIO
23 March 2019 12:35
Input/output in Java. FileInputStream, FileOutputStream, and BufferedInputStream classes
"Hi! In today's lesson, we'll continue our conversation about input and output streams in Java (Java I/O). This is not the first lesson on this topic, and it certainly won't be the last :) As it happens, the Java language provides many ways...
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