I would like to know how I use Swing [closed]

I will try to answer the questions separately. First is the most accurate question.

  

I need to install, how does it work?

To start learning the swing operation you do not need to install anything. Since you already have JDK installed.

I'll leave a very simple example here with the code that @rray posted, but a little more detailed.

import javax.swing.JOptionPane;
public class Teste {
    public static void main(String[] args) {
        JOptionPane.showMessageDialog(null, "teste");
    }
}

  

Good evening, I'm learning java eclipse, and would like to know how do I use swing?

Dude, when I first started learning swing, I basically read an excerpt, followed the examples, and then I was looking for what I needed within the java documentation . I think the java documentation part is the most important. Thinking that maybe you had no contact with the documentation, I'll leave a link to the documentation for