<br>#include &lt;iostream&gt;<br>using namespace std;<br><br>int main()<br>{<br> int * p;<br> try<br> {<br> p = new int;<br> }<br> catch(bad_alloc &amp; ba)<br> {<br> cout&lt;&lt;"Caught the exception!\n";<br> cout&lt;&lt;ba.what()&lt;&lt;endl;<br> exit(EXIT_FAILURE);<br> }<br> <br> if(p != NULL)<br> {<br> *p = 20;<br> cout&lt;&lt;*p&lt;&lt;endl;<br> }<br> else<br> {<br> cout&lt;&lt;"p is null pointer.\n";<br> }<br> <br> delete p;<br> system("pause");<br> return 0;<br>}<br>