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Эллеонора Керри
Random EN
8 August 2023 10:19
How to get started with Oracle DBMS development
We bring to your attention a translation of an article , an author of books and a specialist in Oracle and SQL DBMS. By "Developing for Oracle" I mean writing code in SQL or PL/SQL. In this article, I'm assuming that you have access to an O
theGrass
Random EN
8 August 2023 10:19
Java Class Collection Interview Frequently Asked Questions (Part 1)
Without a doubt, collections in Java are a very important area, and questions about collections will be asked in interviews for both novice and experienced programmers. The topic is so vast that it is almost impossible to cover it entirely.
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
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