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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		List<String> foo = new ArrayList<String>();
  9. 		foo.add("one");
  10. 		foo.add("two");
  11. 		foo.add("The abc");
  12. 		foo.add("THE zzz");
  13. 		foo.add("one the");
  14.  
  15. 		System.out.println(foo);
  16.  
  17. 		Comparator<String> ignoreLeadingThe = new Comparator<String>() {
  18. 		    @Override public int compare(String a, String b) {
  19. 		        // TODO check for nulls?
  20.  
  21. 		        // (?i) makes the match case-insensitive
  22. 		        a = a.replaceAll("(?i)^the\\s+", "");
  23. 		        b = b.replaceAll("(?i)^the\\s+", "");
  24.  
  25. 		        // TODO use compareToIgnoreCase() instead?
  26. 		        return a.compareTo(b);
  27. 		    }
  28. 		};
  29.  
  30. 		Collections.sort(foo, ignoreLeadingThe);
  31.  
  32. 		System.out.println(foo);
  33. 	}
  34. }
Success #stdin #stdout 0.03s 245632KB
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Standard input is empty
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[one, two, The abc, THE zzz, one the]
[The abc, one, one the, two, THE zzz]
https://ideone.com/6hogi
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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