Please answer quickly

1-

In Java, a HashMap is used to store the data in ------------------ pairs.

Select one:

a.

Any of these

b.

(Value, Key)

c.

(Value, Value)

d.

(Key, Value)

2-

The following code is a valid generic method definition in Java:

public HashMap getFirstLetter(HashMap words) {

HashMap newHash = new HashMap();

return newHash;

}

Select one:

True

False

3-

A class can include a definition of an interface that contains default methods.

Select one:

True

False

4-

Overriding occurs if several methods have the same name (including constructor methods) but different parameters.

Select one:

True

False