In this example, if the Map on line 1 does not contain the person named "Bob," a null pointer exception will result on line 5 when the person is asked for his name.

在这个例子中，如果第1行的Map不包括一个名为“bob”的人，那么在第5行询问person的名字时就会出现null指针异常。

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Mr Talbot, who worked for ITV's Granada Reports programme, is best known for his work on the ITV programme This Morning when he presented his weather reports using a large floating map of the British Isles at Liverpool's Albert Dock.

BBC: New arrest in weatherman Fred Talbot school abuse inquiry