View difference between Paste ID: qCwEX6eP and ytnkqz67

 /*
  * mvc.java
  *
  * Compile & run command:
  *     javac mvc.java && java MVC
  *
  * Pass data from view to controller
  *
  * This is a very basic example of how you can achieve it in a clean way.
  */
 import java.util.Map;
 import java.util.HashMap;
 import java.util.Observable;
 import java.util.Observer;
 
 class Person {
 	private String name;
 	private int age;
 
 	public Person(String name, int age) {
 		this.name = name;
 		this.age = age;
 	}
 
 	public String getName() {
 		return name;
 	}
 
 	public int getAge() {
 		return age;
 	}
 
 	public String toString() {
 		return name + ". " + age + " years old.";
 	}
 }
 
 class PersonService {
 	public Person create(String name, int age) {
 		return new Person(name, age);
 	}
 }
 
 interface View {
 	public void display();
 	public void addObserver(Observer o);
 }
 
 class CreatePersonView extends Observable implements View  {
 	public void display() {
 		System.out.println("\nWelcome to the create person view!");
 		System.out.println("----------------------------------");
 
 		System.out.print("Name: ");
 		String name = System.console().readLine().trim();
 
 		System.out.print("Age: ");
 		int age = Integer.valueOf(System.console().readLine().trim());
 
 		Map<String, Object> data = new HashMap<String, Object>();
 		data.put("name", name);
 		data.put("age", age);
 
 		// generate the event
 		setChanged();
 		notifyObservers(data);
 	}
 }
 
 class Controller implements Observer {
 
 	PersonService service;
 
 	public void setPersonService(PersonService service) {
-        this.service = service;
+                this.service = service;
-    }
+        }
 
 	public void update(Observable sender, Object arg) {
 		Map data = (Map)arg;
 		Person p = service.create((String)data.get("name"), (Integer)data.get("age"));
 
 		//debug
 		System.out.println("Created new person: " + p);
 	}
 }
 
 
 class MVC {
 	public static void main(String[] args) {
 		View view = new CreatePersonView();
 		Controller controller = new Controller();
 		controller.setPersonService(new PersonService());
 		view.addObserver(controller);
 		view.display();
 	}
 }