title: Java Code Conventions: must match pattern '^[a-z][a-zA-Z0-9]*$'
body: <p>i would like to use the following constant:</p>
  
  <pre><code>final String ADD = "Add text";
  </code></pre>
  
  <p>But my CheckStyle tool tells me that 'ADD' does not match the pattern <code>'^[a-z][a-zA-Z0-9]*$'.</code></p>
  
  <p>Could anyone please tell me what is wrong with 'ADD'?
  Means <code>'^[a-z][a-zA-Z0-9]*$'</code> that every name has to start with a low character?
  Is there no other possibility?</p>
  
  <p>Thanks for answers.</p>