Listing 2 shows an example method with both entry and exit points.

清单2展示带有入口点和出口点这两者的示例方法。

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Listing 1 shows a very simple program that simply exits with an exit code of 2.

清单1给出一个非常简单的程序，它的作用仅仅是使用退出码2退出。

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Subsequently, at point (2), the user exit is invoked when the message is propagated to the node for processing.

随后在点 (2) 处，在消息传播到该节点进行处理时调用了用户出口。

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More than 2 million tritium EXIT signs are estimated to be in use in the United States, according the Nuclear Regulatory Commission.

FORBES: Radioactive Tritium Leaks from Nuke Plant; Also Two Million EXIT Signs

It stretched Australian Open champion Djokovic's unbeaten run to 17 games and he will start warm favorite for Saturday's final, particularly after the exit of World No.2 Federer.

CNN: Federer: 'Naive to think tennis is clean'

Hillary Clinton won Nevada and exit polls showed her with a 2-1 advantage over Obama with Hispanic voters.

CNN: Commentary: Road to White House full of twists and turns