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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7.    public static void main(String[] args)
  8.    {
  9. 		Map<String, List<String>> masterList = new HashMap<String, List<String>>();
  10. 		List<String> finalPNList = new ArrayList<String>();
  11. 		List<String> modifier = new ArrayList<String>();
  12. 		List<String> skipped = new ArrayList<String>();
  13. 		masterList.put("A", Arrays.asList("123","123","456"));
  14. 		masterList.put("B", Arrays.asList("123","789","789"));
  15. 		for (Map.Entry<String, List<String>> e : masterList.entrySet()) {
  16. 		    String key = e.getKey();
  17. 		    List<String> val = e.getValue();
  18. 		    System.out.println(modifier.size());
  19. 		    for (String s : val) {
  20. 		        if (modifier.isEmpty())
  21. 		            finalPNList.add(s);
  22. 		        else if (!modifier.isEmpty() && masterList.get("A").contains(s)) {
  23. 		            // s has been added by parent process so SKIP!
  24. 		            skipped.add(s);
  25. 		        } else
  26. 		            finalPNList.add(s);    
  27. 		    }    
  28. 		    modifier.add(key);
  29. 		}
  30. 		System.out.println(finalPNList);
  31.    }
  32. }
Success #stdin #stdout 0.08s 380224KB
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Standard input is empty
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0
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[123, 123, 456, 789, 789]
https://ideone.com/mOVG8B
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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