Priority

 import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

System.out.println("Enter number of process");

Scanner in = new Scanner(System.in);

int nop = in.nextInt();

int[] ar = new int[nop];

int[] bt = new int[nop];

int[] ct = new int[nop];

int[] ta = new int[nop];

int[] wt = new int[nop];

int[] pid = new int[nop];

int[] prioritiy=new int[nop];

for(int i = 0; i < nop; i++){

    System.out.println("Enter process" + (i + 1) + "arrival time");

    ar[i] = in.nextInt();

    System.out.println("Enter process" + (i + 1) + "burst time");

    bt[i] = in.nextInt();

    System.out.println("Enter process" + (i + 1) + "prioritiy time");

    prioritiy[i] = in.nextInt();

    

    pid[i] = i + 1;

}

int temp;

for(int i = 0; i< nop; i++){

    for(int j = i + 1; j < nop; j++){

        if(prioritiy[i] > prioritiy[j]){

            

            temp = prioritiy[i];

            prioritiy[i]= prioritiy[j];

            prioritiy[j] = temp;

            

            temp = bt[i];

            bt[i] = bt[j];

            bt[j] = temp;

            

            temp = pid[i];

            pid[i] = pid[j];

            pid[j] = temp;

        }

    }    

}

System.out.println();

ct[0] = bt[0] + ar[0];

for(int i = 1; i < nop; i++){

    ct[i] = ct[i - 1] + bt[i];

}

for(int i = 0; i < nop; i++){

    ta[i] = ct[i] - ar[i];

    wt[i] = ta[i] - bt[i];

}

System.out.println("Process" + " " + "AT" + " " + "BT" + " " + "CT" + " " + "TAT" + " " + "WT"+" "+"prioritiy");

for(int i = 0; i < nop; i++){

    System.out.println(pid[i] + " " + ar[i] + " " + bt[i] + " " + ct[i] + " " + ta[i] + " " + wt[i] + " "+prioritiy[i]);

}

System.out.println("gantt chart : ");

for(int i = 0; i < nop; i++){

    System.out.print("P" + pid[i] + " ");

}

}

}