title: UML relationships - dashed line vs solid line
body: <p>What is the difference between these 2 relationships?</p>
  
  <p><img src="https://i.stack.imgur.com/sLFw1.png" alt="enter image description here"></p>
  
  <p>Edit: Also if you could provide a simple code example illustrating the difference, that would be really helpful!</p>