FilesExpand file tree

 master

/

FindDuplicateCharacter.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

24 lines (21 loc) · 467 Bytes

 master

/

FindDuplicateCharacter.java

Top

File metadata and controls

• Code
• Blame

24 lines (21 loc) · 467 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

package misc;

import java.util.HashSet;

public class FindDuplicateCharacter {

static char getDuplicate(char[] str) {

HashSet<Character> h = new HashSet<>();

for (int i = 0; i < str.length - 1; i++) {

char c = str[i];

if (h.contains(c)) {

return c;

} else {

h.add(c);

}

}

return '\0';

}

public static void main(String[] args) {

String str = "PRADEEP";

char[] arr = str.toCharArray();

System.out.println(getDuplicate(arr));

}

}