title: "cannot find symbol - class Scanner" error
body: <p>This is my Code</p>
  
  <pre><code>public class Workshop3
  {
      public static void main (String [] args)
      {
          System.out.println ("please enter radius of circle");
          double radius;
          Scanner keyboard = new Scanner (System.in);
          keyboard.nextDouble (radius);
      }
  }
  </code></pre>
  
  <p>The error I recieve is </p>
  
  <blockquote>
    <p>cannot find symbol - class scanner</p>
  </blockquote>
  
  <p>on the line </p>
  
  <pre><code>Scanner keyboard = new Scanner (System.in);
  </code></pre>