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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 ArrayFinder
  9. {
  10. 	public ArrayFinder()
  11. 	{
  12. 		List<String> inputs = new ArrayList<String>();
  13. 		inputs.add("foo");
  14. 		inputs.add("bar");
  15. 		inputs.add("baz");
  16. 		inputs.add("samba");
  17. 		inputs.add("batch");
  18.  
  19. 		System.out.println( preg_grep("ba.*", inputs) );
  20. 	}
  21.  
  22. 	public static List<Integer> preg_grep(String pattern, List<String> array) 
  23. 	{
  24. 		List<Integer> indexes = new ArrayList<Integer>();
  25.  
  26. 		int index = 0;
  27. 		for (String item : array) {
  28. 			if (item.matches("ba.*")) {
  29. 				indexes.add(index);
  30. 			}
  31. 			++index;
  32. 		}
  33.  
  34. 		return indexes;
  35. 	}
  36.  
  37. 	public static void main (String[] args) throws java.lang.Exception
  38. 	{
  39. 		new ArrayFinder();
  40. 	}
  41.  
  42. }
Success #stdin #stdout 0.08s 380224KB
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https://ideone.com/7G9t2S
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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