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Зепп Бранниган
Random EN
8 August 2023 10:14
Method signature
Hello! You have already mastered the creation of your own classes, with fields and methods. Today we will just talk in detail about the methods. Of course, we have already done this more than once in our lectures, but we talked mainly about
Зепп Бранниган
Random EN
8 August 2023 10:14
How not to get lost in time - DateTime and Calendar
Hello! Today we will start working with a new type of data that we have not encountered before, namely dates. What is a date, I think, it is not necessary to explain :) In principle, it is quite possible to write the current date and time i
Зепп Бранниган
Random EN
8 August 2023 10:14
HashMap in Java - what kind of map is this?
Hello! Today we will talk about another data structure - Map. Its official Russian name is “associative array”, but it is not often used. The more common options are “dictionary”, “map”, or (most often) - slang anglicism “map” :) Inside Map
Viacheslav
Random EN
8 August 2023 10:14
Comparator in Java
Only the lazy did not write about Comparator and comparison in Java. I'm not lazy - so please love and favor one more variation. I hope it won't be redundant. And yes, this article is the answer to the question: "Can you write a comparator
Зепп Бранниган
Random EN
8 August 2023 10:14
LinkedList in Java
Hello! All the last lectures were devoted to the study of the list . This data structure is very convenient and allows you to solve many problems. However, Java has many other data structures. Why? First of all, because the range of existin
Зепп Бранниган
Random EN
8 August 2023 10:14
Collections in Java | Java Collections
Hello! Over the past few lessons, we have made great progress in mastering ArrayList. However, during this time we performed only the simplest operations: deletion, insertion, output to the console. Of course, the list of challenges that de
Зепп Бранниган
Random EN
8 August 2023 10:14
Java ArrayList in pictures
Hello! Today's lecture about will be easier on the one hand, and more difficult than the previous ones on the other. More difficult, because today we will look “under the hood” of 'a and study what happens to it during operations. On the ot
Зепп Бранниган
Random EN
8 August 2023 10:14
Removing an element from an ArrayList in Java
Hello! In the last lesson, we got acquainted with the class , and also learned how to perform the most common operations with it. In addition, we have highlighted quite a few differences between an ArrayList and a regular array. Now conside
Зепп Бранниган
Random EN
8 August 2023 10:14
ArrayList class in Java
Hello! In previous lectures, we analyzed in detail such a data structure as an array and examined common examples of working with them. But this data structure has a number of drawbacks. The answer to them in Java was the appearance of Arra
Зепп Бранниган
Random EN
8 August 2023 10:14
The 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
8 August 2023 10:14
Something about arrays in Java
Hello! Earlier in the tutorial, we worked with singular objects (or primitive types). But what if we need to work not with one object, but with a whole group? For example, we want to create a list of birthdays for all employees in our compa
Зепп Бранниган
Random EN
8 August 2023 10:14
More about the garbage collector in Java
Hello! In the last lecture, we first got acquainted with the built-in mechanism of the Java language - the garbage collector. It functions in the background while your program is running, collects objects that have become unnecessary, which
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