The first Hello World Java program

The first Hello World Java program

Idea editor

Hello World

Create a Java project under the Idea editor path relationships:
Project → Package → .java
namely: In the Idea, in a Project, we can create multiple Package packages, each package a Package, you can have multiple java files . (Note: all projects related code, must be under the src folder.)

Create a project process:

Select the JDK version and Next

The next step

Create a project name and choose the path to save the project

All project code must be written in the src directory

Creating a Package

Create a java file

Write the code HelloWorld