Write a Java program to calculate /display the average height of a family and find / display the tallest height of a family.

family.txt:

5 7
5 3
4 10
4 11
6 3
7 0
5 2
6 11
5 5
7 3
6 6
7 7

You should create two classes, FamilyHeight and Height.

In the class Height, there are two instance variables, feet and inches.
There are two constructors, one is a default case and the other is taking user information. 
There are five methods as below.

The main function is included in the class FamilyHeight
There are two more static methods in the class FamilyHeight as below.