Example_
1. Store variables for 7 people's names, then print each person's name on the left
2. Store variables for the subjects Korean/English/Math/Social/Science/Java, then print the subject on the left
3. Declare and create a variable 'score' that can store 6 subjects for 7 people
4. Fill every slot in the score variable with a random value between 0 and 100
5. Instead of the numbers 7 and 6 in [7][6], express them another way
6. Sum and average per name
7. Sum and average per subject
8. Rankings
9. Print output
http://www.booksr.co.kr/upload_data/datafile/datafile3/명품JAVA%20프로그래밍4장(0).PDF
http://ivis.kr/images/4/4c/2017_VP_Chap05.pdf
