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Jan 23rd, 2018
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Java 0.39 KB | None | 0 0
  1.  public String revString(String stringToRev) {
  2.         if( stringToRev == null)
  3.             throw new IllegalArgumentException("Failed precondition: revString. parameter may not be null.");
  4.        
  5.         String temp = "";
  6.        
  7.         if (stringToRev.length() == 1)
  8.             return stringToRev;
  9.        
  10.         return revString (stringToRev.substring(1)) + stringToRev.charAt(0);
  11.     }
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