What is the difference between method overloading and method overriding

in Java?

a$.$None of these

b$.$

Method overloading is mandatory, while method overriding is optional.

c$.$

Method overloading involves the same method name but different parameter types or number of parameters, while method overriding involves providing a specific implementation for a method in the subclass.

d$.$

Method overloading occurs in the same class, while method overriding occurs in different classes.