lass="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keywordflow">if</span>(top==-1) <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        T item =_array[top];</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        top--;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        <span class="keywordflow">return</span> it