JAVA PROGRAMING- Need Help with these asap

(20) 3. Develop a method called matrixStat that given a two-dimensional array t of integers, returns a one-dimensional array stat where:

stat[0] = minimum of the elements of t

stat[1] = maximum of the elements of t

stat[2] = average of the elements of t

(20) 4. Develop a method summerPay that given the rank of a teaching faculty (a String) and number of credit hours she/he taught during summer (an integer) returns the total summer earnings for that faculty. Use the following table:

Wages for 1 credit of teaching for full-time faculty members

Rank	Year 2021
Professor	$ 2,235
Associate Professor	$ 1,892
Assistant Professor	$ 1,750
Instructor	$ 1,640