Add fcfs scheduling (#3335)

Co-authored-by: Smiti <smmaheshwari@paypal.com>

src/main/java/com/thealgorithms/devutils/entities/ProcessDetails.java

@@ -0,0 +1,56 @@
+package com.thealgorithms.devutils.entities;
+
+public class ProcessDetails {
+    private String processId;
+    private int arrivalTime;
+    private int burstTime;
+    private int waitingTime;
+    private int turnAroundTime;
+
+    public ProcessDetails(final String processId, final int arrivalTime, final int burstTime) {
+        this.processId = processId;
+        this.arrivalTime = arrivalTime;
+        this.burstTime = burstTime;
+    }
+
+    public String getProcessId() {
+        return processId;
+    }
+
+    public int getArrivalTime() {
+        return arrivalTime;
+    }
+
+    public int getBurstTime() {
+        return burstTime;
+    }
+
+
+    public int getWaitingTime() {
+        return waitingTime;
+    }
+
+    public int getTurnAroundTimeTime() {
+        return turnAroundTime;
+    }
+
+    public void setProcessId(final String processId) {
+        this.processId = processId;
+    }
+
+    public void setArrivalTime(final int arrivalTime) {
+        this.arrivalTime = arrivalTime;
+    }
+
+    public void setBurstTime(final int burstTime) {
+        this.burstTime = burstTime;
+    }
+
+    public void setWaitingTime(final int waitingTime) {
+        this.waitingTime = waitingTime;
+    }
+
+    public void setTurnAroundTimeTime(final int turnAroundTime) {
+        this.turnAroundTime = turnAroundTime;
+    }
+}