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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. 	private static String replaceEach(String str, String[] searchWords, String[] replaceWords) {
  11. 		int startPos = 0;
  12. 		do {
  13. 			int matchPos = -1;
  14. 			int matchStr = -1;
  15. 			for (int i = 0; i < searchWords.length; i++) {
  16. 				int pos = str.indexOf(searchWords[i], startPos);
  17. 				if (pos == -1) {
  18. 					continue;
  19. 				}
  20. 				if (matchPos == -1 || matchPos > pos) {
  21. 					matchPos = pos;
  22. 					matchStr = i;
  23. 				}
  24. 			}
  25. 			if (matchPos == -1) {
  26. 				break;
  27. 			}
  28. 			str = str.substring(0, matchPos) + replaceWords[matchStr] + str.substring(matchPos + searchWords[matchStr].length());
  29. 			startPos = matchPos + replaceWords[matchStr].length();
  30. 		} while (true);
  31. 		return str;
  32. 	}
  33. 	public static void main (String[] args) throws java.lang.Exception
  34. 	{
  35. 		System.out.println(replaceEach(
  36. 		    "Once upon a time, there was a foo and a bar.",
  37. 		    new String[]{"foo", "bar"},
  38. 		    new String[]{"bar", "foo"}
  39. 		));
  40. 		System.out.println(replaceEach(
  41. 		    "a p",
  42. 		    new String[]{"a", "p"},
  43. 		    new String[]{"apple", "pear"}
  44. 		));
  45. 		System.out.println(replaceEach(
  46. 		    "ABCDE",
  47. 		    new String[]{"A", "B", "C", "D", "E"},
  48. 		    new String[]{"B", "C", "E", "E", "F"}
  49. 		));
  50. 		System.out.println(replaceEach(
  51. 		    "ABCDEF",
  52. 		    new String[]{"ABCDEF", "ABC", "DEF"},
  53. 		    new String[]{"XXXXXX", "YYY", "ZZZ"}
  54. 		));
  55. 	}
  56. }
Success #stdin #stdout 0.07s 380224KB
comments ()
stdin 
Standard input is empty
stdout 
Once upon a time, there was a bar and a foo.
apple pear
BCEEF
XXXXXX
https://ideone.com/BMTshJ
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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