IntelliJ IDEA

Specific purpose IDE Community: free, focused on Java Ultimate: commercial, focused on web www.jetbrains.com

Exercise

Create a new Java project called Test and copy this code in a class called Test. Run the application to check if everything is OK

    
public class Test
{
    public static void main(String[] args)
    {
        System.out.println("Hello");
        System.out.println("Have a nice day!");
        System.out.println("And learn a lot of Java :-)");
    }
}