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Alex
Random EN
28 February 2021 0:00
Where to start learning Java
is not just a programming language, but an entire software platform with extensive capabilities. The main components of this platform are: If you want to learn more about Java classes and tools, read - it's all there. The first version of J
Зепп Бранниган
Random EN
28 February 2021 0:00
Scanner class in Java
Hello! Our lesson today will be special! Before this, when solving problems and writing programs, the algorithm was simple: we write some code, run the method , the program does what is required of it, and exits. But now everything will cha
Зепп Бранниган
Random EN
28 February 2021 0:00
Equals in Java and String compare - String comparison
Hello! Today we will talk about a very important and interesting topic, namely, comparing objects with each other in Java. And indeed, in what cases in Java will Object be equal to Object ? Let's try to write an example:
Зепп Бранниган
Random EN
28 February 2021 0:00
Number operations in Java
Hello! Today we will look at a very important topic, namely, . Numbers are everywhere in programming. If you dig into the school curriculum, you will remember that all information on a computer is presented in a numerical format - combinati
Зепп Бранниган
Random EN
28 February 2021 0:00
Constructors in Java
Hello! Today we will look at a very important topic that concerns our objects. Here, without exaggeration, we can say that you will use this knowledge every day in real work! We'll talk about constructors. You may be hearing this term for t
Зепп Бранниган
Random EN
28 February 2021 0:00
Ternary operator in Java
Hello! Today's lecture will not be very long, but definitely useful :) We will talk about the so-called . “Ternary” means “triple”. This is an alternative to the conditional operator , which you are already familiar with. Let's give an exam
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Random EN
28 February 2021 0:00
Object life cycle
Hello! I think you won’t be too surprised if we tell you that the memory size on your computer is limited :) Even a hard drive, which is many times larger than RAM, can be filled to capacity with your favorite games, TV series, and so on. T
Зепп Бранниган
Random EN
28 February 2021 0:00
Arrays class and its usage
Hello again! :) In the last lesson, we got acquainted with such a data structure as (Java array), learned how to create arrays, fill them with data, and also learned how they are stored in memory. Today we will look at some tasks and exampl
Зепп Бранниган
Random EN
28 February 2021 0:00
ArrayList class in Java
Hello! In previous lectures, we examined in detail such a data structure as an array and looked at common examples of working with them. But this data structure has a number of disadvantages. The answer to them in Java was the appearance of
Зепп Бранниган
Random EN
28 February 2021 0:00
HashMap in Java - what kind of map is it?
Hello! Today we will talk about another data structure - Map. Its official Russian name is “associative array,” but it is not used often. The more common options are “dictionary”, “map”, or (most often) the slang anglicism “map” :) Inside M
Зепп Бранниган
Random EN
28 February 2021 0:00
Exceptions in Java: catching and handling
Hello! I hate to break it to you, but a huge part of a programmer’s job is dealing with errors. And most often - with their own. It just so happens that there are no people who do not make mistakes. And there are no such programs either. Of
Зепп Бранниган
Random EN
28 February 2021 0:00
instanceof and inheritance basics
Hello! In previous lectures, we have already briefly encountered the concept of inheritance several times. Today we will also touch on this topic, but also not too deeply. There will be a detailed lecture about this later, but today we’ll j
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