Java - Basic use of arrays
<p>This is a basic question but I do need some help.</p>

<p>Given two arrays of ints, a and b, return true if they have the same first element or they have the same last element. Both arrays will be length 1 or more.</p>

<blockquote>
  <p>commonEnd({1, 2, 3}, {7, 3}) → true</p>
  
  <p>commonEnd({1, 2, 3}, {7, 3, 2}) → false</p>
  
  <p>commonEnd({1, 2, 3}, {1, 3}) → true</p>
</blockquote>

<p>I have the following code but it wont compile:</p>

<pre><code>public boolean commonEnd(int[] a, int[] b) {
    if(a[0] == b[0] || a[a.length-1] ==b[b.length-1])
        return true;
}
</code></pre>
