Lab Static Method, Part II

(1st ed.) Do Project 3 of Chap 5. Define a Complex class and write a program to compute (2+3i)+(4+5i) in Java.
(2nd ed.) Do Project 7 of Chap 5. Define a Complex class and write a program to compute (2+3i)+(4+5i) in Java.

Note:
Implement a static method and a nonstatic method using overloading. The results of these two methods should be the same.