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articles
Random EN
8 August 2023 10:12
Ah, those lines...
class is perhaps one of the most used in Java. And very often it is used illiterately, which gives rise to many problems, primarily with performance. In this article, I want to talk about strings, the intricacies of using them, the sources
articles
Random EN
8 August 2023 10:12
Jump statements
Java supports three jump operators - , and . They transfer control to another part of your program. Let's consider each of the operators in detail. An operator in Java is used in three ways. First, as you have already seen, it ends the sequ
articles
Random EN
8 August 2023 10:12
Operations on primitive types in Java
Most operations on primitive types are not done with methods, but with special characters called . Assigning to a variable the value of a constant, another variable or an expression (variables and/or constants separated by operator signs) i
articles
Random EN
8 August 2023 10:12
Object Comparison: Practice
This is the second of the articles on comparing objects. The first of them dealt with the theoretical basis of comparison - how it is done, why and where it is used. In the same article, we will talk directly about comparing numbers, object
articles
Random EN
8 August 2023 10:12
I/O streams and strings in Java
The input uses a class from the Java Package Library. This class must be imported in the program where it will be used. This is done before the start of the public class in the program code. The class has methods for reading the next charac
articles
Random EN
8 August 2023 10:12
Comparison operators and logical operators. Branching in the program. Conditional operator
There are several binary logical operators and one unary one. The arguments for all these operators are boolean literals (constants), boolean variables, and expressions that have a boolean value. Operators:
articles
Random EN
8 August 2023 10:12
return statement
The last of the control statements is . It is used to perform an explicit return from a method. That is, it again transfers control to the object that called this method. As such, this operator belongs to jump operators. Although a full des
articles
Random EN
8 August 2023 10:12
Primitive Java Types
As already mentioned, the following primitive types are defined in Java: A primitive variable declaration statement can be followed by an initialization statement " ", which assigns an initial value to the created variable. types differ in
articles
Random EN
8 August 2023 10:12
Methods in Java
In Java, an application is made up of classes. Classes, in turn, are made up of variables. They are responsible for storing data and methods that are responsible for the behavior of the class: in other words, the logic that it can provide (
articles
Random EN
8 August 2023 10:12
Start from the beginning or 'Hello, Java World!'
I want to start this article with an unusual, at first glance, digression. It will become clear later why. So let's imagine someone. This Someone wants to master skiing. And for this he takes the following steps:
articles
Random EN
8 August 2023 10:12
Assignment and initialization
Once a variable has been declared, it must be explicitly initialized with an assignment statement, because it is not possible to use a variable that has not been assigned a value. To assign a certain value to a previously declared variable,
articles
Random EN
8 August 2023 10:12
Comments in the Java language
Comments in Java, as in most other programming languages, are ignored when a program is executed. Thus, you can add as many comments to the program as you need without fear of increasing its size. The Java language has three ways to highlig
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