Please help me answer this java coding question. In java format. I have 45 minutes to annswer

Declare a 2D array that will store the grades of 2 assignments for 2 Java classes, then, code the proper looping structure(s) to populate the array. Think of assignments as belonging to each class which should tell you which is the row and which is the column. (5 points) 35. Prompt: where the first 9 will represent assignment 1 or assignment 2, etc, and, the second will represent Java class 1 or Java class 2. Enter the grade for assignment 9 of Java class 9