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ch1 q8 david book doubt

 
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can anyone explain me this code...

when i ran this code only Ted was displayed...where is Male? and what is Map.Entry?
 
Sheriff
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Male isn't in the parameters because the name attribute of the <input> tag is not set in that case. The correct code would be
 
Ankur Jain Kothari
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oh yes..my mistake...but what does Map.Entry mean?
 
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Map.Entry is a class which can be used to access the elements of Map.

Please look here for more detail.
 
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