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public class SJF {
    
        
        int n= 
        int pid[] = new int[n]; // it takes pid of process
        int at[] = new int[n]; // at means arrival time
        int bt[] = new int[n]; // bt means burst time
        int ct[] = new int[n]; // ct means complete time
        int ta[] = new int[n];// ta means turn around time
        int wt[] = new int[n];  // wt means waiting time
        int f[] = new int[n];  // f means it is flag it checks process is completed or not
        int k[]= new int[n];   // it is also stores brust time
        int i, st=0, tot=0;
        float avgwt=0, avgta=0;

        for (i=0;i<n;i++)
        {
            pid[i] =values[i][0];
            bt[i] = values[i][1];
            at[i] = values[i][2];
            k[i]= bt[i];
            f[i]= 0;
        }

        while(true){
            int min=99,c=n;
            if (tot==n)
                break;

            for ( i=0;i<n;i++)
            {
                if ((at[i]<=st) && (f[i]==0) && (bt[i]<min))
                {
                    min=bt[i];
                    c=i;
                }
            }

            if (c==n)
                st++;
            else
            {
                bt[c]--;
                st++;
                if (bt[c]==0)
                {
                    ct[c]= st;
                    f[c]=1;
                    tot++;
                }
            }
        }

        for(i=0;i<n;i++)
        {
            ta[i] = ct[i] - at[i];
            wt[i] = ta[i] - k[i];
            avgwt+= wt[i];
            avgta+= ta[i];
        }

        System.out.println("pid  arrival  burst  complete turn waiting");
        for(i=0;i<n;i++)
        {
            System.out.println(pid[i] +"\t"+ at[i]+"\t"+ k[i] +"\t"+ ct[i] +"\t"+ ta[i] +"\t"+ wt[i]);
        }

        System.out.println("\naverage tat is "+ (float)(avgta/n));
        System.out.println("average wt is "+ (float)(avgwt/n));
        sc.close();
    }
}