Page 91 | Java Blog - Java News and Learning posts on CodeGym

CodeGym Java Developer
March 11, 2020 at 9:14 AM
Junior Java developer looking for work. How to upgrade your skills and gain practical experience When speaking of the beginning of a Java programmer's professional career, everything is often presented in a gloomy light. To beginners, it may seem that breaking into the market is incredibly difficult. No matter how many current job...
3/11/20
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Seb Success Stories
March 10, 2020 at 7:38 PM
How Java helps to run an airport and how you can help to improve life in the 21st century If you have ever travelled by plane, there is a pretty good chance that somewhere in the background the business processes that made your journey possible were supported or enabled by some system running a program written in Java...
3/10/20
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Stas Pasinkov Java Developer
March 6, 2020 at 12:42 PM
Spring for lazy people Foundation, basic concepts, and examples with code. Part 2 I'm going to do it using IntelliJ IDEA Enterprise Edition. But all my examples should also work in the free IntelliJ IDEA Community Edition. In the screenshots, if you see that I have some window that you don't have, don't worry — it's not...
3/6/20
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Stas Pasinkov Java Developer
March 6, 2020 at 10:29 AM
Spring for lazy people Foundation, basic concepts, and examples with code. Part 1 In this article, I'm not going to tell you how to get a working Spring project up and running in 5 minutes using my code. I'm only going to write the basics — things that you could be ignorant of and still create a project. But in this article, you still...
3/6/20
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CodeGym QA Automation
February 29, 2020 at 1:06 PM
What is a QA engineer and how do you become one?Today a lot of people dream of finding a job in IT, because of the industry's relatively high salaries, as well as the consistent demand for IT specialists in the labor market. Most often, these dreams shatter when they run up against the need for specialized education that the dreamer has neither the time nor money...
2/29/20
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Artem Divertitto Statements in Java
February 28, 2020 at 11:47 AM
The While Statement Our very first programs were a sequence of instructions that are executed one after another. No forks. This includes HelloWorld, which displays a greeting. It includes arithmetic calculations. After our first programs, we learned how to branch, i.e. how to make a program perform different actions...
2/28/20
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Alex Vypirailenko Java Collections
February 12, 2020 at 12:44 PM
Map Interface in Java The Java Map interface is a part of Java Collection framework, but it is not a subtype of the Collection interface. So it behaves in a different way compared to, say, Lists, or other collection Objects. Each element of Map represents...
2/12/20
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Andrey Gorkovenko Java IO & NIO
January 28, 2020 at 9:45 AM
Java Files, Path Hi! Today we'll talk about working with files and directories. You already know how to manage file contents: we've dedicated a lot of lessons to this :) I think you find it easy to remember a few classes used for these purposes. In today's lesson, we'll talk specifically about file management: creating, renaming, etc...
1/28/20
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Andrey Gorkovenko Serialization in Java
January 21, 2020 at 10:36 AM
Java serialization formats Hi! Let's talk about serialization. You probably remember that we've already had lessons on serialization. And so we did :) If you don't remember well how serialization works, why serialization is needed, and what tools Java has for serialization, you can run through these lessons. Today's lesson will be about...
1/21/20
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Milan Vucic Core Java
January 20, 2020 at 1:32 PM
Phantom References in Java Hi! In today's discussion, we'll talk in detail about "phantom references" (PhantomReference) in Java. What kind of references are these? Why are they called "phantom references"? How are they used? As you'll recall, Java has 4 kinds of references...
1/20/20
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John Squirrels CodeGym
January 16, 2020 at 1:01 PM
How to learn on CodeGym: A course guide So, you've decided to become a Java programmer. A reasonable question immediately arises: "Where should you start?" In this article, we'll talk about how to learn programming from scratch on CodeGym. We will explore the features of the course, how the learning process is divided into stages...
1/16/20
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John Selawsky Java Classes
January 16, 2020 at 9:41 AM
Static nested classes Hi! We continue to explore the topic of nested classes in Java. In the last exercise, we spoke about non-static nested classes, which are also known as inner classes. Today we move on to another group of classes. We'll consider static nested classes. How are they different from other classes?
1/16/20
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