I'm new to Java and I'm not sure how to write the source code for this problem I got in class...

Question

Write a java program using the while and if statement that will accept ten student grades and that will display the sum of the grades, the student average, and the respective letter grade for their average.
95-100 A+
90-94 A
85-89 B+
80-84 B
75-79 C+
70-74 C
65-69 D+
60-64 D
59 and below is F

Any help is appreciated ><