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  1.  class RemoveConsecutiveChar {
  2.  
  3. 	public static void main(String[] args) {
  4. 		// TODO Auto-generated method stub
  5. 		String str = "dfffaaaaaghkklllllmaaannnnn";
  6.  
  7. 		int currLength = 0;
  8. 		int prevPos = 0;
  9. 		int currPos = 0;
  10. 		while ( currPos < str.length())	{
  11. 			if ( str.charAt(prevPos) == str.charAt(currPos))	{
  12. 				currLength++;
  13. 				currPos++;
  14. 			}
  15. 			else if ( currLength > 1)	{
  16. 				str = str.substring(0 , prevPos) + str.substring(prevPos + currLength );
  17. 				prevPos = prevPos - 1 > 0 ? prevPos - 1 : 0;
  18. 				currPos = prevPos;
  19. 				currLength = 0;
  20. 			}
  21. 			else	{
  22. 				prevPos = currPos;
  23. 				currLength = 0;
  24. 			}
  25. 		}
  26.  
  27. 		if ( currLength > 1)	{
  28. 			str = str.substring(0 , prevPos) + str.substring(prevPos + currLength );
  29. 		}
  30.  
  31. 		System.out.println(str);
  32. 	}
  33.  
  34. }
  35.  
Success #stdin #stdout 0.04s 320576KB
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dghm
https://ideone.com/WmeyKQ
language:
Java (12.0.1)
created:
7 years ago
visibility:
public

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