condition in if statements
<p>can if condition contain strings?
for example</p>

<pre><code>string s="abs";
if(s) or if(s==null) or if(s.equals(""))
</code></pre>

<p>which among the above are correct?
Also write for integers..</p>

<pre><code>int value=5;
</code></pre>

<p>say </p>

<pre><code>if(value) then condition
</code></pre>

<p>is it correct?</p>
