Today my colleague tells me with one tip regarding Eclipse auto completion setting, which I think is useful in my daily life.

There are lots of standard classes and those class/method created on my own, however when I type some characters there is no auto completion drop down list. For example I have already created one method named “consumeABAPFM”, however even after I type “consum”, there is still not any auto completion function provided.

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However, by choosing “Windows->Preference->Java->Editor->Content Assistant”, we can achieve what we expect.

Maintain “Auto activation triggers for JAVA” with value “.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz”.

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After that whenever we type some characters the auto completion drop down list will be there and refreshed with 200 ms.

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