Java Program to find all duplicate characters in a string
Java Program to find all duplicate characters in a string
Sample Code
import java.util.*;
public class dupl_char {
public static void main(String[] args) {
System.out.println("Enter the String");
Scanner sc = new Scanner(System.in);
String string1 = sc.nextLine();
int count;
char string[] = string1.toCharArray();
System.out.println("Duplicate characters in a given string: ");
for (int i = 0; i < string.length; i++) {
count = 1;
for (int j = i + 1; j < string.length; j++) {
if (string[i] == string[j] && string[i] != ' ') {
count++;
string[j] = '0';
}
}
if (count > 1 && string[i] != '0')
System.out.println(string[i]);
}
}
}
Output
Enter the String
Nandakishore
Duplicate characters in a given string:
a