class Main {
public static void main(String[] args) {
// ادخال جميع القيم
Employee employee1 = new Employee.Builder(1, "Hassan", "Brahimi")
.setAddress("Address")
.setAge(25)
.setPhone("123")
.build();
System.out.println("Employee 1 : " + employee1.toString());
// ادخال العمر فقط
Employee employee2 = new Employee.Builder(2, "Husam", "Lkarti")
.setAge(25)
.build();
System.out.println("Employee 2 : " + employee2);
// بدون القيم الاختيارية
Employee employee3 = new Employee.Builder(3, "Ismail", "Bella")
.build();
System.out.println("Employee 3 : " + employee3);
}
}
public class Employee{
private int id;
private String firstName;
private String lastName;
private int age;
private String phone;
private String address;
// من الافضل ان يكون private
public Employee(Builder builder) {
this.id = builder.id;
this.firstName = builder.firstName;
this.lastName = builder.lastName;
// البيانات الاختيارية
this.age = builder.age;
this.phone = builder.phone;
this.address = builder.address;
}
// getters
public int getId() {
return id;
}
public String getFirstName() {
return firstName;
}
public String getLastName() {
return lastName;
}
public int getAge() {
return age;
}
public String getPhone() {
return phone;
}
public String getAddress() {
return address;
}
@Override
public String toString() {
return "Employee{" +
"id=" + id +
", firstName='" + firstName + '\'' +
", lastName='" + lastName + '\'' +
", age=" + age +
", phone='" + phone + '\'' +
", address='" + address + '\'' +
'}';
}
// هذا الكلاس هو الذي يقوم ببناء كلاس الموظف
public static class Builder {
private int id;
private String firstName;
private String lastName;
private int age;
private String phone;
private String address;
public Builder(int id, String firstName, String lastName) {
this.id = id;
this.firstName = firstName;
this.lastName = lastName;
}
public Builder setAge(int age) {
this.age = age;
return this;
}
public Builder setPhone(String phone) {
this.phone = phone;
return this;
}
public Builder setAddress(String address) {
this.address = address;
return this;
}
public Employee build() {
isValidateEmployeeData();
return new Employee(this);
}
private boolean isValidateEmployeeData() {
//يمكنك التحقق من البيانات المدخلة هنا .
return true;
}
}
}
