Exercise$02$:

a$-$ Create an array of $5$ student objects, and fill the array.

b$-$ Using for statement, print the array $($data of each object in the array$).$

c$-$ In class Test, create method max that receives an array of students, and returns the name of the students with the highest GPA.

d$-$ In class Test, create method avg that receives an array of students, and returns the average GPA.

e$-$ Call both methods in main, and output their results.

f$-$ Why should these methods be static?