count all occuring char in string code example
Example 1: count number of occurrences of character in string
public class CountStringOccurence {
public static void main(String[] args) {
int count= countOccurences("aaassssddadad",'s');
System.out.println(count);
}
private static int countOccurences(String word, char character){
int count = 0;
for(int i = 0; i < word.length(); i++){
if(word.chartAt(i) == character){
count++; }
}
return count;
}
}
Example 2: count characters in string
def count_chars(s)
count = Hash.new(0)
s.split("").each do |x|
count[x] += 1
end
count
end
s.chars.map {|c| [c, s.chars.count(c)] }.to_h