title: How to compile a java program from directory?
body: <p>I'm learning java and I would like to know how to compile a java program from other directory.</p>
  
  <p>For example, my compiler is in my drive <code>c:\</code> and I want to compile my java program from drive <code>e:\</code></p>
  
  <p>How should I do that? 
  I'm getting this error, what does it mean?
  <img src="https://i.stack.imgur.com/1tWg0.jpg" alt="alt text"></p>