Write a program that will determine the letter grade of students using class , objects, exception handling, and collection in java. The program needs to accept two command line arguments.The first argument withe name of a disk file that contains the names of students, and their test scores, seperated by commas follows by one or more spaces. Each line in the file will contain scores for one student. The second argument argument will be the name of an output disk file. The program will create a new output disk file using that name. The output file will have grade information of all students whose information was read from input file, in a sorted order. You will be writing one line in the output filefor one student. You will write name of one student and the letter grade he/she got in the class in each line