How to (efficiently) convert int[] to Integer[]?
<p>Is there any direct way to convert int array to Integer array with out looping element by element.</p>

<p>Brute force way will be </p>

<pre><code>int [] a = {1,2,3};
Integer [] b = new Integer[a.length];
for(i =0; i&lt;a.length; i++)
    b[i]= i;
</code></pre>

<p>Is there any direct way with out traveling the entire array?</p>
