Hello World java program using Intellij

Hello World  java program using Intellij

     In this blog, you will learn how to create, run and build a simple Java application that prints Hello World! to the system output. By this way you will be familiar with IntelliJ IDEA features

    1. Download IntelliJ

   
    To download IntelliJ, we need to go on link  https://www.jetbrains.com/idea/promo/ultimate/and click on download button and save it to your local laptop and then run the .exe file by this way you will going to download IntelliJ.
Launch IntelliJ IDEA.

   

2.  Prepare New Project

• If the Welcome screen opens, click Create New Project.

• Otherwise, from the main menu, select File | New | Project.

• In the new Project Wizard select JAVA from the left list.

• To develop Java applications in IntelliJ IDEA, you need the Java SDK (JDK).

• If the necessary JDK is already defined in IntelliJ IDEA, select it from the Project SDK list.

• If the JDK is installed on your computer, but not defined in the IDE, select Add JDK and specify the path to the JDK home directory.

   

If you don't have the required JDK on your system, select Download JDK.

In the next dialog, specify the JDK you like to download (for example, OpenJDK), version, change the installation path if required, and click Download.

        

        

1.     We will not use any additional libraries for this time, so click Next.

    2. We will not create a project from template. In this time, we're going to do everything from scratch, so click Next.

    3. Name the project, for example HelloWorld. If necessary, change the default project location and click Finish.

  

                 

• 3.    Create a Package or Class
• Packages are used for grouping together classes that belong to the same category or  provide similar functionality, for structuring and organizing large applications of classes.

1.     In Project Tools Window select src folder and right click on that and choose new java class. 
2.     In Name field enter com.company.helloworld and click OK like below.

• IntelliJ IDEA will create helloworld class in company folder.

      3.   Now create a code

     4.   Create a main() Method Like this.


    package com.company;
   
        public class HelloWorld{
  
public static void main(String[] args) {

System.out.println("Hello World!!");

}

}

•     Run or build the main method
•    Right click on Hello World class and click on Run main Like this

1.  7.   OUTPUT

will be like below and then your first Hello World Program will done.

                                                                                                   

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Thanks,

Best Regards,

Reshu Mahobiya