Priority Scheduling Algorithm in Java

//Priority Class File

package com.os.project;

import java.util.Scanner;

public class Priority {
 
 @SuppressWarnings("resource")
 public static void collectData()
 {
    int totalProcess, burstTime[], priority[];
    Scanner input, pburstTime, pPriority;
    System.out.println("Please Enter total Process : ");
    input = new Scanner(System.in);
    totalProcess = input.nextInt();
    burstTime = new int[totalProcess]; priority = new int[totalProcess];
    for(int i = 0; i < totalProcess; i++)
    {
        System.out.println("Please Enter burst time of process #"+(i+1));
        pburstTime = new Scanner(System.in);
        burstTime[i] = pburstTime.nextInt();
        System.out.println("Please Enter priority of process #"+(i+1));
        pPriority = new Scanner(System.in);
        priority[i] = pPriority.nextInt();
    }
    Priority.calculateResult(totalProcess, burstTime, priority);
 }
 
 
 public static void calculateResult(int totalProcess, int[] burstTime, int[] priority)
 {
    int[] turnAroundTime, waitingTime;
    turnAroundTime = new int[totalProcess];
    waitingTime    = new int[totalProcess];
    int averageWT = 0, averageTAT = 0;
    insertionSort(totalProcess, burstTime, priority);
    waitingTime[0] = 0;
    for(int m = 1; m < totalProcess; m++)
    {
       waitingTime[m] = burstTime[m - 1] + waitingTime[m - 1];
    }
  
    for(int i = 0; i < totalProcess; i++)
    {
        turnAroundTime[i] = waitingTime[i] + burstTime[i];
    }
  
    System.out.println("No of Process\t|\t" + "Burst Time\t\t|\t" + "Priority\t\t|\t" + "Waiting Time\t\t|\t\t" + "Turn Around Time");
    for(int i = 0; i < totalProcess; i++)
    {
        averageWT  += waitingTime[i];
        averageTAT += turnAroundTime[i];
        System.out.println((i+1)+ "\t\t|\t\t" + burstTime[i] + "\t\t|\t\t" + priority[i] + "\t\t|\t\t" + waitingTime[i] + "\t\t|\t\t" + turnAroundTime[i]);
    }
  
    System.out.println("The Average Waiting Time of All Process : "+(averageWT/totalProcess));
    System.out.println("The Average Turn Around Time of All Process : "+(averageTAT/totalProcess));
 }
 
 public static void insertionSort(int totalProcess, int[] burstTime, int[] priority)
 {
    int j, i, pTemp, pburst;
    for(i = 1; i < totalProcess; i++)
    { 
       pTemp  = priority[i];
       pburst = burstTime[i];
       j = i - 1;
       while(j >= 0 && priority[j] > pTemp)
       {
           priority[j+1]  = priority[j];
           burstTime[j+1] = burstTime[j];
           j--;
       } 
       priority[j+1]  = pTemp;
       burstTime[j+1] = pburst;
    }
 }
}

//Main Class File

package com.os.project;

import java.util.Scanner;

public class Main 
{ 
    public static void main(String args[])
    {
        Priority.collectData(); 
    }
}

User Password Reset

Hi Please, check my new wordpress plugin User Password Reset. User Password Reset

free download school management system in php

 

Download Now

Bootstrap Ajax Contact Form

Download Now