title: How can I store a string Matrix inside an array?
body: <p>I have to store a <code>String</code> <strong>matrix(3x20)</strong> inside an <code>array</code> whose <code>length</code> may vary.
  I am trying the following code but I am getting an <code>incompatible types</code> error.</p>
  
  <p>How could I fix this error?</p>
  
  <p>My code is:</p>
  
  <pre class="lang-java prettyprint-override"><code>int x=0;    
  String[] arrayF=new String[10];    
  arrayF[x]= new String[3][20];
  </code></pre>