counting the number of characters in a string java
public static void main(String[] args) {
int wordCount = 0;
String word = "hill";
for (char letter = 'a'; letter <= 'z'; letter++) {
for (int i = 0; i < word.length(); i++) {
if (word.charAt(i) == letter) {
wordCount++;
}
}
if (wordCount > 0) {
System.out.println(letter + "=" + wordCount);
wordCount = 0;
}
}
}count letter in string
#include<stdio.h>
#include<string.h>
int main() {
char c;
char s[100];
scanf("%c", &c);
scanf("%s", s);
int count = 0;
int len = strlen(s);
for (int i = 0; i < len; i++) {
if (s[i] == c) {
count++;
}
}
printf("%d", count);
return 0;
}count characters in string
# count characters iterative
def count_chars(s)
count = Hash.new(0)
s.split("").each do |x|
count[x] += 1
end
count
end
# count characters functional
s.chars.map {|c| [c, s.chars.count(c)] }.to_hCopyright © 2021 Codeinu
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