exercises/concept/tim-from-marketing-2/

Author: josealonso

exercises/concept/tim-from-marketing-2/.meta/src/reference/java/Employee.java

@@ -0,0 +1,40 @@
+import java.util.Objects;
+import java.util.Optional;
+
+class Employee {
+    private final int id;  
+    private final String name;
+    private final String department;
+
+    public Employee(int id, String name, String department) {
+        this.id = id;
+        this.name = name;
+        this.department = department;
+    }
+
+    public Optional<Integer> getNullableId() {
+        return Optional.ofNullable(id);
+    }
+
+    public Optional<String> getNullableName() {
+        return Optional.ofNullable(name);
+    }
+
+    public Optional<String> getNullableDepartment() {
+        return Optional.ofNullable(department);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Employee employee = (Employee) o;
+        return id == employee.id &&
+                Objects.equals(name, employee.name) && Objects.equals(department, employee.department);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name, department);
+    }
+}