WikiSort.ru - Не сортированное

 1 /* 
 2  * Пример применения шаблона Null Object:
 3  */
 4 
 5 void Main() 
 6 {
 7 	AbstractEntity realEntity = new RealEntity();
 8 	realEntity.doSomething(); // RealEntity::doSomething
 9 	
10 	AbstractEntity unknownEntity = new NullEntity();
11 	unknownEntity.doSomething(); // no output
12 }
13 
14 // Define other methods and classes here
15 public abstract class AbstractEntity 
16 {
17 	public abstract void doSomething();
18 }
19 
20 public class RealEntity : AbstractEntity 
21 {
22 	public override void doSomething() 
23 	{
24 		Console.WriteLine("RealEntity::doSomething");
25 	}
26 }
27 
28 public class NullEntity : AbstractEntity 
29 {
30 	public override void doSomething() 
31 	{
32 		// doing nothing
33 	}
34 }

 1 /*
 2 * Pattern Null object.
 3 */
 4 
 5 public class Main {
 6 
 7     public static void main(String[] args) {
 8         AbstractEntity realEntity = new RealEntity();
 9         realEntity.doSomething(); // RealEntity::doSomething
10 
11         AbstractEntity unknownEntity = new NullEntity();
12         unknownEntity.doSomething(); // no output
13     }
14 }
15 
16 abstract class AbstractEntity {
17 
18     public abstract void doSomething();
19 }
20 
21 class RealEntity extends AbstractEntity {
22 
23     @Override
24     public void doSomething() {
25         System.out.println("RealEntity::doSomething");
26     }
27 }
28 
29 class NullEntity extends AbstractEntity {
30     
31     @Override
32     public void doSomething() {
33         
34     }
35 }