The program will display a welcome page. Click Create New Project. In the next window, select Java from the left pane and click New at the top of the program window to select whatsapp mobile number list the JDK. Here you need to select the location where the JDK was installed when you installed Java, then click Next. IntelliJ IDEA will find the JDK and recognize it. No other options need to be selected, just click Next. On the next screen, enter the project name HelloWorld and click Finish. If the program reports that the directory does not exist, click OK. If you don't see the left pane, go to Views Tool Windows Project.
To set the class name, select the src folder in the left pane. Right click it, choose New Java and give the class a name. The class name must not contain spaces. Write the code and save the programming lesson Java project. To run the program, select Run. Click HelloWorld the program will compile the file and execute it. Your first Java program To introduce users to a new programming language, use the Hello World program. This is a simple program that prints the words Hello,