title: IntelliJ IDEA - adding .java file to project dependencies
body: <p>I'm new to java and I have simple problem. I want to create package with .java file. What I do is File > Project Structure > Dependencies > Add (plus sign on the right side) > JARs and directories... and select directory "MyClasses" which contains "my" directory with "Test.java" file in it. "Test.java" is simply: </p>
  
  <pre><code>package my;
  
  public class Test{
      public Test(){
          System.out.println("Test complete.");
      }
  }
  </code></pre>
  
  <p>Then when I try to use it with import my.Test; it does not work (cannot resolve symbol 'Test'). Even if I try to add this directory again it says it's an "Empty Library" on dependencies tab. What am I doing wrong?</p>