Question

In Java:

Job class

The Job implements the Comparable interface

A Job object is instantiated with three int variables, indicating the arrivalTime, the timeForTheJob, and the priority.

When the Job is created it is given the next sequential ID starting from 1. (You should use a static variable to keep track of where you are in ID assignment.)

There are also int variables for startTime, waitTime (in queue) and endTime for the Job.

The following methods are required:

getID,

set and get arrivalTime

set and get timeForJob

set and get prirority

set and get startTime

set and get endTime

get waitTime

When setting the startTime you should be able to calculate the waitTime

The compareTo interface is implemented based on priority, with priority 1 Jobs printed before priority two, etc.

I'm a tad stuck on the compareTo and creating a job object,

Answer 1

public class Job {

    private static int JobId = 0;
    private int ID=0;
    //static int JobId = 0; //increment when creating a new job
    int arrivalTime;
    int timeForTheJob;
    int startTime;
    int endTime;
    int waitTime;

    public Job() {

        ID = JobId+1;
    }

    public Job(int arrivalTime,int timeForTheJob)
    {
        JobId = JobId+1;
        ID = JobId;

        setArrivalTime(arrivalTime);
        setTimeForTheJob(timeForTheJob);
    }

    public int getStartTime() {
        return startTime;
    }

    public void setStartTime(int startTime) {
        this.startTime = startTime;
        setWaitTime(this.startTime-this.arrivalTime);
    }

    public int getEndTime() {
        return endTime;
    }

    public void setEndTime(int endTime) {
        this.endTime = endTime;
    }

    public int getWaitTime() {
        return waitTime;
    }

    public void setWaitTime(int waitTime) {
        this.waitTime = waitTime;
    }

    public int getID()
    {
        return this.ID;
    }

    public int getArrivalTime() {
        return arrivalTime;
    }

    public void setArrivalTime(int arrivalTime) {
        this.arrivalTime = arrivalTime;
    }

    public int getTimeForTheJob() {
        return timeForTheJob;
    }

    public void setTimeForTheJob(int timeForTheJob) {
        this.timeForTheJob = timeForTheJob;
    }

}

This is the creation of class job according to given requirements

hope it is helpful

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