n><span style="color:#75715e">// 输出如下 
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span><span style="color:#75715e">/**
</span></span></span><span style="display:flex;"><span><span style="color:#75715e">  hello A
</span></span></span><span style="display:flex;"><span><span style="color:#75715e">  hello B
</span></span></span><span style="display:flex;"><span><span style="color:#75715e">  hello main
</span></span></span><span style="display:flex;"><span><span 