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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13. 	}
  14. }
  15.  
  16. class MyObject {
  17. }
  18.  
  19. class BigObject extends MyObject {}
  20. class SmallObject extends MyObject {}
  21.  
  22. interface MyObjectHandler<V extends MyObject>{
  23.      List<V> handle(List<V> objects);
  24. }
  25.  
  26. interface BigObjectHandler extends MyObjectHandler<BigObject>{}
  27. interface SmallObjectHandler extends MyObjectHandler<SmallObject>{}
  28.  
  29. abstract class HandlerChain<V extends MyObject> {
  30.  
  31.     private List<MyObjectHandler<V>> handlers;
  32.  
  33.     public List<V> doChain(List<V> objects) {
  34.         for (MyObjectHandler<V> handler : handlers) {
  35.             objects = handler.handle(objects);
  36.         }
  37.         return objects;
  38.     }
  39.  
  40. }
Success #stdin #stdout 0.05s 4386816KB
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https://ideone.com/DOVHnX
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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