Get frequency of letters java

HashMap<Character, Integer> map = new HashMap<Character, Integer>();
String s = "aasjjikkk";
for (int i = 0; i < s.length(); i++) {
    char c = s.charAt(i);
    Integer val = map.get(c);
    if (val != null) {
        map.put(c, new Integer(val + 1));
    }
    else {
       map.put(c, 1);
   }
}

Source: stackoverflow.com

Similar codes

2 votes347 views1 answer
What is inflater in android
Java
1 vote322 views1 answer
Radio button in java
Java
10 votes326 views1 answer
Intent android open activity
Java
0 vote333 views1 answer
Java binary addition
Java
1 vote346 views1 answer
Get block player is looking at bukkit
Java
0 vote344 views1 answer
Android currency format
Java
0 vote342 views2 answers
Codegrepper java instanceof
Java
0 vote415 views1 answer
Component spring
Java Spring
1 vote282 views1 answer
Read a file in java and store as integer array using buffered reader
Java
8 votes383 views1 answer
How to see java version in windows 10
Java