Add files via upload

Author: aldrinjames19

FCFSS.java

@@ -0,0 +1,82 @@
+package fcfss;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+
+class Process {
+    private final String name;
+    private final int arrivalTime;
+    private final int burstTime;
+
+    public Process(String name, int arrivalTime, int burstTime) {
+        this.name = name;
+        this.arrivalTime = arrivalTime;
+        this.burstTime = burstTime;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getArrivalTime() {
+        return arrivalTime;
+    }
+
+    public int getBurstTime() {
+        return burstTime;
+    }
+}
+
+public class FCFSS {
+    public static void main(String[] args) {
+        ArrayList<Process> processes;
+        try (Scanner scanner = new Scanner(System.in)) {
+            System.out.print("Enter the number of processes: ");
+            int numProcesses = scanner.nextInt();
+            processes = new ArrayList<>();
+            for (int i = 1; i <= numProcesses; i++) {
+                System.out.print("Enter the arrival time of process P" + i + ": ");
+                int arrivalTime = scanner.nextInt();
+                
+                System.out.print("Enter the burst time of process P" + i + ": ");
+                int burstTime = scanner.nextInt();
+                
+                processes.add(new Process("P" + i, arrivalTime, burstTime));
+            }
+        }
+
+        // Sort processes based on arrival time
+        processes.sort((p1, p2) -> p1.getArrivalTime() - p2.getArrivalTime());
+
+        int currentTime = 0;
+        double totalTurnaroundTime = 0;
+        double totalWaitingTime = 0;
+
+        System.out.println("Process\t\tArrival Time\tBurst Time\tWaiting Time\tTurnaround Time");
+
+        for (Process process : processes) {
+            int waitingTime = currentTime - process.getArrivalTime();
+            if (waitingTime < 0) {
+                currentTime = process.getArrivalTime();
+                waitingTime = 0;
+            }
+
+            int turnaroundTime = waitingTime + process.getBurstTime();
+
+            totalTurnaroundTime += turnaroundTime;
+            totalWaitingTime += waitingTime;
+
+            System.out.println(process.getName() + "\t\t" + process.getArrivalTime() + "\t\t" + process.getBurstTime()
+                    + "\t\t" + waitingTime + "\t\t" + turnaroundTime);
+
+            currentTime += process.getBurstTime();
+        }
+
+        int totalProcesses = processes.size();
+        double averageTurnaroundTime = totalTurnaroundTime / totalProcesses;
+        double averageWaitingTime = totalWaitingTime / totalProcesses;
+
+        System.out.println("\nAverage Waiting Time: " + averageWaitingTime);
+        System.out.println("Average Turnaround Time: " + averageTurnaroundTime);
+    }
+}