Implement the scheduling algorithm described below in the Scheduler class of the scheduling simulation program. The simulation allows you to create a number of “Sim Threads” that the “OS” will transition among the three thread states (Queued, Running and Blocked) according to the scheduling algorithm in the Scheduler class. Currently, the simulation implements the First-Come First-Served algorithm (when preemption is turned off) and the Round Robin algorithm (when preemption is turned on).
Modify only the Scheduler class.
Here are some methods that you might find useful:
Also, you can get or set a Sim Thread’s priority by using the getPriority() and setPriority(int) methods, respectively, of the SimThread class.
Implement a multi-level feedback queue scheduling algorithm. There are five different priority levels, 0-4, where 0 is the highest priority. You must create an array of queues, one queue for each priority level. A thread is always placed in the queue that matches its priority.
TEST YOUR ALGORITHM
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