Employee是個實體類代碼
Employee.java
public?class?Employee{

????private?String?firstName;
????private?String?lastName;

????public?Employee(String?firstName,?String?lastName)?{
????????this.firstName?=?firstName;
????????this.lastName?=?lastName;
????}

????public?String?getFirstName()?{
????????return?firstName;
????}

????public?void?setFirstName(String?firstName)?{
????????this.firstName?=?firstName;
????}

????public?String?getLastName()?{
????????return?lastName;
????}

????public?void?setLastName(String?lastName)?{
????????this.lastName?=?lastName;
????}
}

employee property instance box