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Java Tutorial: Part 2. IntelliJ IDEA

This document provides a tutorial on using IntelliJ IDEA, a powerful integrated development environment (IDE) for Java development. It covers installation, creating and running console applications, configuring the Java Development Kit (JDK), and writing Java code. Additionally, it offers practical exercises for beginners and encourages joining the Softuni community for further learning and support.

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Java Tutorial Part 2: IntelliJ IDEA
IDE Integrated Development Environments
 To write programs, we need an IDE  For Java   IntelliJ IDEA  Eclipse  NetBeans  For C#  Visual Studio / Raider / VS Code  For Python  PyCharm / Eclipse / VS Code  For JavaScript  WebStorm / VS Code Programming Languages and IDEs
Integrated Development Environments (IDE)  Integrated Development Environments (IDE) simplify software development  IDEs save time and eases the process of coding  Writing, running, testing, and debugging the code  In our Java lessons, we shall use IntelliJ IDEA Community  Free, open-source IDE from JetBrains  https://jetbrains.com/idea
IntelliJ IDEA Powerful IDE for Java Developers
 IntelliJ IDEA is a powerful IDE for Java developers  Runs in Windows, Linux and macOS What is IntelliJ IDEA ?
Installing IntelliJ IDEA Community https://www.jetbrains.com/idea/download  Download the IntelliJ IDEA installer and follow the instructions Choose the free "Community" edition
Running IntelliJ IDEA
 The project explorer holds the project files  The project source code consists of .java files (Java classes) Projects in IntelliJ IDEA
Creating a Console App Create and Run a Java Console App in IntelliJ IDEA
 Create new Console Application in IntelliJ IDEA: [New Project] [Java]  [Template Command Line App]  [Finish] Creating a Console Application in IntelliJ IDEA Leave the package empty
 JDK (Java Development Kit) is the Java platform for developers  Java runtime (JVM + libraries) + Java compiler + tools  Download and install the latest JDK  https://oracle.com/java/technologies/downloads (Oracle)  https://adoptium.net (Eclipse Adoptium) JDK (Java Development Kit)
 If no JDK is still configured, you should configure it:  Click [New] button and locate your JDK installation: Configuring JDK in IntelliJ IDEA
 In Java programs, commands are written in main(String[] args)  Between the opening and closing curly brackets { }  Press [Enter] after the opening bracket { and type your commands  The code of the program is written with indentation Writing Programming Code in IntelliJ IDEA
 To start the program, press [Ctrl + Shift + F10]  If there are no errors, the program will be launched  The result will appear in the console (terminal window): Starting the Program in IntelliJ IDEA
 To learn coding, you need to write code!  Watching videos gives you only knowledge  Solving the exercises, gives you experience and practical skills Learn by Doing Write and submit the coding exercises!
 Write a Java program, which:  Prints "Hello SoftUni" on the console  Submit your solution in the SoftUni judge: https://judge.softuni.org/Contests/Practice/Index/3252 Problem: Print "Hello SoftUni"
Solution: Print "Hello SoftUni"
Solution: Print "Hello SoftUni" (2)
Submission in the Judge System https://judge.softuni.org/Contests/Practice/Index/3252
 Write a Java program, which:  Reads from the console your name  Prints "Hello <<name>>"  Submit your solution in the SoftUni judge: https://judge.softuni.org/Contests/Practice/Index/3252 Problem: Hello Name
Creating a New Java Class
Solution: Greeting
 Write a program, which reads customer's first name, last name and email and prints the read data in the following format:  Customer: <<fname>> <<lname>> (<<email>>)  Submit your solution in the SoftUni judge: https://judge.softuni.org/Contests/Practice/Index/3252 Problem: Customer Info
Solution: Customer Info
 …  …  … Next Steps  Join the SoftUni "Learn To Code" Community  Access the Free Coding Lessons  Get Help from the Mentors  Meet the Other Learners https://softuni.org