Java please and explain the code step by step

_{Design and implement a small kernel that uses a Multilevel-feedback-queue scheduler with the following functionality}

_{: 1. The system consists of three queues a. Q0 RR with time quantum 8 milliseconds}

_{b. Q1 RR time quantum 16 milliseconds}

_{c. Q2 FCFS 2. All the new jobs enter queue Q0 .}

_{The system defines the PCB as a struct containing the process information.}

_.

_{The system is capable of displaying the response time, throughput, and average waiting time}

_{. The system takes the number of processes and information of each process as an input.}

list:

A. Features and capabilities of your project

B. A simple user manual instructing a new user on how to use your program