title: Signing up Codewars - Java Exercise
body: <p>The code is </p>
  
  <pre><code>public class Multiply
  {
     public static Double multiply(Double a, Double b)
     {
         return a * b
     }
  }
  </code></pre>
  
  <p>I cannot solve the above code.<br>
  I tried a few things, like</p>
  
  <pre><code>public class Multiply 
  { 
     public double multiply(double a, double b) 
     { return a * b;} 
  }
  </code></pre>
  
  <p>It still shows errors in code.<br>
  Kindly help, please.</p>