Nonambiguous, overloaded methods must have the same. a) name b) number of parameters c) parameter names d) types of parameters

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.