How to convert string to byte in Java
<p>I have a String array.
I want to convert it to byte array.
I use the Java program.
For example:</p>

<pre><code>String str[] = {"aa", "55"};
</code></pre>

<p>convert to:</p>

<pre><code>byte new[] = {(byte)0xaa, (byte)0x55};
</code></pre>

<p>What can I do?</p>
