Made changes to the constructor class so parsing is done here, and that the date is also stored.

SchedulerApp/src/main/java/com/example/schedulerapp/Shift.java

 package com.example.schedulerapp;
 
 import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 
 public class Shift {
     private int EmployeeID;
+    private String date;
     private LocalDateTime start;
     private LocalDateTime end;
     private boolean available;
     private int shiftID;
 
     //todo: error checking on start/end? (end cannot be before start)
-    public Shift(int EmpID, LocalDateTime start, LocalDateTime end, int shiftID){
-        this.EmployeeID = EmpID;
-        this.start = start;
-        this.end = end;
-        this.available = false;
-        this.shiftID = shiftID;
+    public Shift(String shiftData){
+        try {
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-ddHHmm");
+            String[] dataSplit = shiftData.split("\\.");
+            this.EmployeeID = Integer.parseInt(dataSplit[0]);
+            this.shiftID = Integer.parseInt(dataSplit[4]);
+            if (dataSplit[2].length() == 3) dataSplit[2] = "0" + dataSplit[2];
+            if (dataSplit[3].length() == 3) dataSplit[3] = "0" + dataSplit[3];
+            this.start = LocalDateTime.parse(dataSplit[1] + dataSplit[2], formatter);
+            this.end = LocalDateTime.parse(dataSplit[1] + dataSplit[3], formatter);
+            this.date = dataSplit[1];
+            this.available = false;
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
     }
 
     public int getEmployeeID() {
@@ -30,6 +41,10 @@ public class Shift {
         return end;
     }
 
+    public String getDate() {
+        return date;
+    }
+
     public boolean isAvailable() {
         return available;
     }