In this example, we’ll find the first non-repeating character of string:
Input:
String s = "HHello";
Output:
First non repeat character = e
1. Java
public class FirstNonRepeatingCharacterOfString {
public static void main(String[] args) {
String s = "HHello";
for (Character ch : s.toCharArray()) {
if (s.indexOf(ch) == s.lastIndexOf(ch)) {
System.out.println("First non repeat character = " + ch);
break;
}
}
}
}
Output:
First non repeat character = e
Complete Java Solutions can be found here: Github Link