Is it valid to have two input elements with the same name?

Question

i.e.:

and

Answer 1

A) Your first example is okay, because the forms time of submission will be different:

B) Your second example is also okay, but not standard coding practice:

Java code two extract both values:

Map parmMap = requestObj.getParameterMap();   
String input1 = parmMap.get("url")[0];   
String input2 = parmMap.get("url")[1];