Declaring a variable with the same name as the parameter of a method inside the method body will not have any effect.

Name: Declaring a variable with the same name as the parameter of a method inside the method body will not have any effect.
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Quizplus · Accepted Answer

Declaring a variable with the same name as a parameter inside a method will shadow the parameter, meaning the local variable will be used instead of the parameter within the method body.

Declaring a Variable with the Same Name as the Parameter