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theGrass
Random EN
8 August 2023 10:19
Java Class Collection Interview Frequently Asked Questions (Part 2)
furs08
Random EN
8 August 2023 10:19
HashMap and ConcurrentHashMap are popular interview questions
In my last preview, I talked about “How ”. I talked about the internals of this class and how they fit into the concept. But when I was asked about HashMap and related things, the interviewer didn't just stop at the basic concept. In the co
ramhead
Random EN
8 August 2023 10:19
How serialization works in Java
In this article, we will explain what serialization is and how it works in Java. An object's serialization is the ability of an object to store a complete copy of itself and any other objects it refers to using an output stream (for example
HonyaSaar
Random EN
8 August 2023 10:19
Multiple inheritance in Java. Comparison of composition and inheritance
Some time ago I wrote several posts about inheritance, interfaces and composition in Java. In this article, we'll look at multiple inheritance and then learn about the benefits of composition over inheritance. Multiple inheritance is the ab
L2CCCP
Random EN
8 August 2023 10:19
Modulo operator
The modulo operator is an operator , denoted by the symbol . This operator returns the remainder after dividing the first operand by the second. The operator " " in Java works not only with integers (such as: ), but also with floating point
DSergey_Kh
Random EN
8 August 2023 10:19
Autopacking and unpacking in Java
In this article, we will look at such a function in Java as . Autoboxing and unboxing is a function of converting primitive types to object types and vice versa. The entire process is done automatically by the Java Runtime Environment (JRE)
DarthVictor
Random EN
8 August 2023 10:19
Java 7 try-with-resources
Starting with version 7, Java offers improved management of resources that must be closed when finished working with them. Such resources include, for example, files, streams, database connections, and sockets. The special language construc
ramhead
Random EN
8 August 2023 10:19
How to use classes - ArrayList, Vector and HashMap collections provided by Java Collections Framework
In this article, we will learn about three important classes - the , and collections from and start using them in our own code. Using the collection
Эллеонора Керри
Random EN
8 August 2023 10:19
Is the end of Java near? No! And that's why…
New technologies related to programming appear almost every day. Not all of them are tenacious and deserve arbitrarily close attention. However, maybe one in a thousand will "shoot" and become what is called . Or , if you like. This process
dio
Random EN
8 August 2023 10:19
IntelliJ IDEA - Not big, great tips.
This time I'd like to share a few tips for using IntelliJ IDEA that can make coding both productive and enjoyable at the same time. As minor as they may seem at first glance, over time they will have a huge impact on your productivity. At l
Ve4niY
Random EN
8 August 2023 10:19
Five Basic Class Design Principles (SOLID) in Java
Classes are the building blocks of an application. Just like bricks in a building. Poorly written classes can bring problems one day. To understand if a class is written correctly, you can check the “quality standards”. In Java, these are t
Vovan
Random EN
8 August 2023 10:19
new ArrayList(????) how and where is it better to initialize
Writing code without using would be crazy. This is a wonderful piece of Java with many neat solutions. More importantly, unlike arrays, you don't have to worry about sizes here. will grow until it runs out of memory. The developer doesn't h
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