In java

Q2 Iterable

Which of the following interfaces is required by Java to use a data structure in an enhanced for loop:

1. List

2. Iterator

3. Iterable

4. Collection

Q3 Iterable

Which of the following interfaces is returned by an Iterable's iterator() method:

1. List

2. Iterator

3. Iterable

4. Collection

Q4 Iterator

Which is the proper way to implement next() for an Iterator:

1. return valuesave value,

2. update to next element, return saved value

3. update to next element, return value

4. save value, return saved value

5. return value, update to next element

Q5 Types

1 Point

interface Function { R apply(T t); }

Which of the following are true about the Function interface's type parameters:

1. T is the type of the input to the function

2. T is the type of the result of the function

3. R is the type of the input to the function

4. R is the type of the result of the function