Answer:
Option(a) is the correct answer for the given question.
Explanation:
Method having same name but different arguments is known as method overloading .Method overloading is used to achieved the compile time Polymorphism in java .
For example :
void sum(int a); // function 1
void sum(int a,int b); // function 2
In this example the method name of both the function is same but different parameter .In function 1 only one integer parameter but in function 2 their are 2 integer parameter .
So correct answer is option(a) i.e name.