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CodeGym
Java Developer
17 April 2020 17:23
Java and the Internet of Things. How do you become a successful IoT developer?
The Internet of Things (IoT) has been around as a concept for quite some time — this is not the first year it has been featured on a list of trending niches with a promising future. Along with big data, AI, and several other popular...
CodeGym
Learning Java
16 April 2020 19:02
Is Java good for learning as a first language? Let's explore possibilities and talk about pitfalls
What programming language should you use when you start learning how to code? This is a classic question that has been an eternal dilemma for future coders. Well, since about the 1990s in the West and from the mid- to late...
Roman B.
Core Java
8 April 2020 10:55
Logging: what, how, where, and with what?
Hello everyone in the CodeGym community! Today let's talk about logging: what it is, why it exists, when you should use it, when you should avoid it; what logging implementations are available in Java, and what you should do with all these logging options. And log levels. We'll discuss what appender is...
John Squirrels
CodeGym
3 April 2020 9:56
Spring sale on CodeGym: discounts are as good as vitamin C
Hey! Did you know that a good mood and activities for your own pleasure may boost your immune system? Let’s bring you some good news and say that the season of really cool discounts has started on CodeGym. Until April 17th, you can get an annual subscription at 50% OFF...
Viacheslav
Multithreading in Java
2 April 2020 11:51
Better together: Java and the Thread class. Part VI — Fire away!
Threads are an interesting thing. In past reviews, we looked at some of the available tools for implementing multithreading. Let's see what other interesting things we can do. At this point, we know a lot. For example, from "Better together: Java and the Thread class. Part I — Threads of execution", we know that...
Viacheslav
Multithreading in Java
1 April 2020 11:10
Better together: Java and the Thread class. Part V — Executor, ThreadPool, Fork/Join
So, we know that Java has threads. You can read about that in the review entitled Better together: Java and the Thread class. Part I — Threads of execution. Let's take another look at the typical code...
Viacheslav
Multithreading in Java
31 March 2020 15:53
Better together: Java and the Thread class. Part IV — Callable, Future, and friends
In Part I, we reviewed how threads are created. Let's recall one more time. A thread is represented by the Thread class, whose run() method gets called. So let's use the Tutorialspoint online Java compiler and execute the following code...
Viacheslav
Multithreading in Java
30 March 2020 9:43
Better together: Java and the Thread class. Part III — Interaction
A brief overview of the particulars of how threads interact. Previously, we looked at how threads are synchronized with one another. This time we will dive into the problems that may arise as threads interact, and we'll talk about how to avoid them. We will also provide some useful links for more in-depth study...
Viacheslav
Multithreading in Java
27 March 2020 10:19
Better together: Java and the Thread class. Part II — Synchronization
So, we know that Java has threads. You can read about that in the review entitled Better together: Java and the Thread class. Part I — Threads of execution. Threads are necessary to perform work in parallel. This makes it highly likely...
Viacheslav
Multithreading in Java
26 March 2020 18:18
Better together: Java and the Thread class. Part I — Threads of execution
Multithreading was built into Java from the very beginning. So, let's briefly look at this thing called multithreading. We take the official lesson from Oracle as a reference point: "Lesson: The "Hello World!" Application". We'll slightly alter...
Alex Vypirailenko
Core Java
26 March 2020 16:42
Examples of reflection
Maybe you've encountered the concept of "reflection" in ordinary life. This word usually refers to the process of studying oneself. In programming, it has a similar meaning — it is a mechanism for analyzing data about a program, and even changing the structure and behavior of a program, while the program is running.
Milan Vucic
Java Objects
26 March 2020 15:53
Equals Method in Java: Best Practices
Hi! Today we'll talk about two important methods in Java: equals() and hashCode(). This isn't the first time we've met them: the CodeGym course begins with a short lesson about equals() — read it if you've forgotten it or haven't seen it before...
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