I need help with my Java Homework.

here are the directions,

"Write a method called average that accepts two **integer** parameters and returns their average as a **floating** point value.

Overload the average method such that if three or four integers are provided as parameters, the method returns the average of all three or four values. "

i have to use this using textpad .

i think i am allowed to use API.

please help me

thank you