Aamithu

java/com/aa/act/interview/org/Employee.java

@@ -4,6 +4,14 @@ public class Employee {
 
 	private int identifier;
 	private Name name;
+
+	public Employee(){
+	}
+	public Employee( Name name) {
+		if(name == null)
+			throw new IllegalArgumentException("name cannot be null");
+			this.name = name;
+	}
 
 	public Employee(int identifier, Name name) {
 		if(name == null)

java/com/aa/act/interview/org/Name.java

@@ -13,11 +13,16 @@ public Name(String first, String last) {
 		this.first = first;
 		this.last = last;
 	}
-
+	public void setFirst(String first) {
+		this.first = first;
+	}
 	public String getFirst() {
 		return first;
 	}
 
+	public void setLast(String last) {
+		this.last = last;
+	}
 	public String getLast() {
 		return last;
 	}

java/com/aa/act/interview/org/Organization.java

@@ -19,8 +19,28 @@ public Organization() {
 	 * @param title
 	 * @return the newly filled position or empty if no position has that title
 	 */
+	public Optional<Position> findPosition(Position newPostion, String title) {
+		Optional<Position> newHire = Optional.of(newPosition);
+		if (newHire.get().getTitle().equals(title)) {
+			return newHire;
+		} else {
+			for (Position pos : newPosition.getDirectReports()) {
+				newHire = findPosition(pos, title);
+				if (newHire.isPresent()) {
+					return newHire;
+				}
+			}
+		}
+		return Optimal.empty();
+	}	
 	public Optional<Position> hire(Name person, String title) {
-		//your code here
+		Optional<Position> newPosition = findPosition(root, title);
+		if (newPosition.isPresent()) {
+			Position pos = newPosition.get();
+			if (!pos.isFilled()) {
+				newPosition.get().setEmployee(Optional.of(new Employee(person)));
+			}
+		}		
 		return Optional.empty();
 	}
 

java/com/aa/act/interview/org/Position.java

@@ -12,6 +12,10 @@ public class Position {
 	private Optional<Employee> employee;
 	private Set<Position> directReports;
 
+	public Position() { //default 
+	}	
+
+
 	public Position(String title) {
 		this.title = title;
 		employee = Optional.empty();