# Hello, future developer!

Welcome to the course on mastering backend programming with **Java**! In this course, you'll get an introduction to the basics of this powerful programming language.

First, let's start by understanding what backend programming is all about.

## What is Backend Development?

The **backend** of an application refers to the **server-side** of development, focusing on the underlying **systems**, **databases**, and **application logic** that support the functionality users experience. Unlike the **frontend**, which involves the design and layout users interact with directly (such as images, buttons, and text on a webpage), the backend handles the "behind-the-scenes" processes that make everything work seamlessly. **Backend programming** powers features like data analysis, business logic, security, payment processing, application administration, and overall system architecture.

## Who will you become?

- **Mobile apps**: Many **Android applications** are built using **Java**. You can learn how to **create** your own apps!
- **Web development**: Java is used to build **websites** and the **systems** behind them, such as **databases** and data processing.
- **Smart devices**: Java powers smart **technologies**, like smartwatches and robot vacuum cleaners.
- **Learning projects**: Java is **beginner-friendly**, allowing you to start with useful projects like creating a **calculator** or a **schedule planner**.

Java is an **easy-to-understand** and versatile language, making it a **great choice** for getting started with programming.

This course will familiarize you with Java and its features. After completing the course, you will be able to solve simple algorithmic tasks and understand how basic console Java applications work.

In this section, you will get acquainted with Java, understand its peculiarities, and why I would recommend learning this particular programming language. You will write your first Java code and familiarize yourself with printing text to the console.

We will learn the basics of programming, primitive data types, and operations with them. Your code will be able to perform mathematical tasks and evaluate conditions for further execution.

In this section, we will familiarize ourselves with various loops such as for, while, and do-while. Loops are essential to any programming language, as they allow us to efficiently iterate over a large amount of data and save significant time. Later on, you will use loops extensively in tasks like sorting, working with arrays, collections, and more.

This section will cover arrays and how to use them correctly. We will learn how to group data into arrays and explore some common methods and properties for working with them. Arrays are essential in Java programming, and we will also examine techniques for manipulating and optimizing arrays in real-world applications.

In this section, you will be introduced to a data type called String. String is a significant data type with many built-in methods and operations. In this course, you will learn about String and StringBuilder, explore their basic methods, and learn how to use strings effectively in Java.

Java Basics

Backend Development

Hello, future developer!

What is Backend Development?

Who will you become?