Design a java program named GradeCount.java to read data from a gradebook (gradebook.txt contains grades only) and count how many students are in each of the following categories:90 – 10080 – 8970 – 7960 – 69Below 60And printout the number of students in each category.Here is sample output:Category No. of Students[90 – 100] 5[80 – 89] 10[70 – 79] 4[60 – 69] 2[<60] 1Here is the sample data file:82 100 88 90 56 76 67 60 200098 65 90 85 67 81 93 86 88B87 70 88 78 84 76 81 89