public class threeDimensional{
    public static void main (String[] args){
        int [][][] grades = {
            { {33, 66}, {55, 99} },
            { {56, 93}, {89, 78} },
            { {83, 96}, {73, 74} }

        };
        
        for(int student = 0; student < grades.length; student++){
            System.out.println("Student Number " + (student + 1));
            for(int exam = 0; exam < grades[student].length; exam++){
                System.out.println("Exam Number " + (exam + 1));
                System.out.println("Grades are:");
                for(int marks = 0; marks < grades[student][exam].length; marks++){
                    System.out.print(grades[student][exam][marks] + "\t");
                }
                System.out.println();
            }
            System.out.println();
        }

        

    }
}
threeDimensional.main(null);
Student Number 1
Exam Number 1
Grades are:
33	66	
Exam Number 2
Grades are:
55	99	

Student Number 2
Exam Number 1
Grades are:
56	93	
Exam Number 2
Grades are:
89	78	

Student Number 3
Exam Number 1
Grades are:
83	96	
Exam Number 2
Grades are:
73	74