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  1. class Main {
  2. 	public static void main (String[] args) {
  3. 		System.out.println(recs("aBc def"));
  4. 	}
  5. 	public static String recs(String s){
  6. 	  return s.isEmpty() ? s : Character.toUpperCase(s.charAt(0)) + recs(s.substring(1));
  7. 	}
  8. }
Success #stdin #stdout 0.11s 36096KB
comments (?)
stdin 
Standard input is empty
stdout 
ABC DEF
https://ideone.com/WSORJD
language:
Java (12.0.1)
created:
4 years ago
visibility:
public

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