Java console application to calculate total marks, average percentage, and grade for student subjects with input validation.
Student Marks Calculator (Java) A simple Java program that calculates the total marks, average percentage, and grade for a student based on the marks entered for each subject. The application runs in the command line, validates input, and provides a summary of performance at the end.
Features Prompts user to input the number of subjects and marks obtained in each (0-100).
Validates user input to ensure marks are within the correct range.
Calculates total marks and average percentage.
Assigns grades based on the average (A, B, C, F).
Shows a summary report with all results.
Grading Criteria A: 90% and above
B: 75% to less than 90%
C: 50% to less than 75%
F: Below 50%
This project is useful for students, educators, and beginners who want hands-on experience with input validation, loop handling, and basic logic in Java.