Java driver 4.2.3 Document.getList throws ClassCastException

Hi,
while using java driver Document class getList method throws ClassCastExcepion below are the details. pls help

Document:

{
“name”: “hr”,
“id”: 1,
“employees”: [
{
“name”: “paul”,
“empId”: 1
},
{
“name”: “nick”,
“empId”: 2
}
]
}

public void getEmpList(){
        MongoCollection<Document> coll = mongoDatabase.getCollection("Department");
        try {
            Document doc = coll.find().first();
            List<Employee> employees = doc.getList("employees", Employee.class);
        }catch(Exception e){
            e.printStackTrace();
        }
}

public class Employee{
        
        private String name;
        private Integer empId;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public Integer getEmpId() {
            return empId;
        }

        public void setEmpId(Integer empId) {
            this.empId = empId;
        }
    }

Exception:

java.lang.ClassCastException: List element cannot be cast to com.Employee
at org.bson.Document.constructValuesList(Document.java:383)
at org.bson.Document.getList(Document.java:350)