Which string method can I use to make sure that the phrase ‘invalid response’ only displays if the user has typed something other than ‘yes’ or ‘no’, without paying attention to their capitalization?
Abstract: In recent years, the Android platform has increasingly become a primary target for malicious software attacks due to its openness and large user base, posing significant threats to user ...
Abstract: In the above article [1], Fig. 5 was mistakenly placed. The correct one should be as follows: ...
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