You are required to produce program codes ( java language ) for preemptive sched

You are required to produce program codes ( java language ) for preemptive sched

You are required to produce program codes ( java language ) for preemptive scheduling that simulate the following algorithms: Round Robin (RR), Shortest-remaining-time-first- Preemptive, and Priority scheduling
Note *** all the details in the file please write a comment in each step because there will be a oral discussion from the teacher so I should answer all questions about the work