">class</span> <span class="hljs-title">Question_3_1</span> {<br />
	  &nbsp; &nbsp; &nbsp;<span class="hljs-keyword">interface</span> <span class="hljs-title">ITest</span> { <span class="hljs-comment">// 1<br /></span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">m</span>()</span>;<br />
	  &nbsp; &nbsp; &nbsp;}<br />
	  &nbsp; &nbsp; &nbsp;<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-k