How to subtract two string values in java
<p>Am having two string contaning integer values how can i subtract this to string.</p>

<pre><code> String addquantity = quantity1.getText().toString();
 String subquantity = quantity2.getText().toString();
 int final_ = Integer.parseInt(addquantity) - Integer.parseInt(subquantity);
</code></pre>

<p>I tried many methods but its showing error , help me to subtract the value in string.</p>