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  1.   public class Main {
  2.         static int swapParams(int num, int k, int nDigit) {
  3.             StringBuilder myName = new StringBuilder(Integer.toString(num));
  4.             myName.setCharAt(k-1, Integer.toString(nDigit).charAt(0));
  5.             return Integer.parseInt(myName.toString());
  6.         }
  7.         public static void main(String[] args) {
  8.             System.out.println(swapParams(5498, 2, 3));
  9.         }
  10.     }
  11.  
Success #stdin #stdout 0.04s 711168KB
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https://ideone.com/e4MF6m
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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