Hi, Problem in a rush please and in a rush (Edited answer for Expert: Java Language)

A string contains the information of cars. The cars. The string has the following format:

"brand1,model1,price1,fuel_effciency1,brand2,model2,price2,fuel_effciency2..."

1.) Write a method named avgPrice that takes a String in the above format and returns the

average price per car.

2.) Write a method named efficientCars that takes a String in the above format and returns the number of cars with fuel efficiency larger than 40.