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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main(String[] args) throws java.lang.Exception
  7. 	{
  8. 		String a = "zappaz";
  9.         String b = "not";
  10.  
  11.         System.out.println(containsDouble(a, 'z'));
  12.         System.out.println(containsDouble(b, 'z'));
  13. 	}
  14.  
  15.     private static Boolean containsDouble(String s, char letter) {
  16.         return s.indexOf(letter, s.indexOf(letter) + 1) > -1;
  17.     }
  18. }
Success #stdin #stdout 0.06s 215488KB
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stdin
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Standard input is empty
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true
false
https://ideone.com/yDG2TH
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

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