1import java.util.HashMap;
2import java.util.Map;
3 
4public class CharacterFrequency {
5 
6    public static void countFrequency(String text) {
7 
8        HashMap<Character, Integer> frequencyMap = new HashMap<>();
9 
10        for (char ch : text.toCharArray()) {
11            frequencyMap.put(ch, frequencyMap.getOrDefault(ch, 0) + 1);
12        }
13 
14        System.out.println("Character Frequencies:");
15 
16        for (Map.Entry<Character, Integer> entry : frequencyMap.entrySet()) {
17            System.out.println(entry.getKey() + " : " + entry.getValue());
18        }
19    }
20 
21    public static void main(String[] args) {
22 
23        String text = "programming";
24 
25        countFrequency(text);
26    }
27}