java: sums up the number using command line arguments
<p>About sums up the number using command line arguments.<br/>
For example</p>

<pre><code>    java  sum  "1 2 3"    &lt;--"1 2 3" will be args[0]
    the sum is 6
</code></pre>

<p>How can i calculate it?<br>
I want the code of this program.
Thank<br>
This code only can calculate when i input<br>
java  sum 1 2 3<br>
but i want input<br>
java  sum  "1 2 3"</p>

<pre><code>public class sum {
public static void main( String args[] ) {
int num=0;
for(int i=0; i&lt;args.length; i++){
   num+= Integer.parseInt(args[i]);
}

  System.out.println("The sum is " + num);
   }
}
</code></pre>
