Java Utililty Methods String Char Count

List of utility methods to do String Char Count

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Description

The list of methods to do String Char Count are organized into topic(s).

Method

intcountChar(String string, String c)
count Char 
int counter = 0;
for (int i = 0; i < string.length() - (c.length() - 1); i++) {
    boolean check = true;
    for (int j = 0; j < c.length(); j++) {
        if (string.charAt(i + j) != c.charAt(j)) {
            check = false;
            break;
    if (check) {
        counter++;
return counter;
longcountChar(String text, char c)
count Char 
return text.chars().filter(e -> c == e).count();
intcountChar(String text, char ch)
count Char 
int count = 0;
int length = text.length();
for (int i = 0; i < length; i++)
    if (text.charAt(i) == ch)
        count++;
return count;
intcountChar(StringBuffer sb, char ch)
Count occurrences of character in string buffer. 
int result = 0;
for (int i = 0; i < sb.length(); i++) {
    if (sb.charAt(i) == ch)
        result++;
return result;
IntegercountChars(String data)
Counts the number of characters in this String. 
if (data == null) {
    return null;
return data.length();
intcountChars(String input)
count Chars 
return input.length();
intcountChars(String s, boolean countDigits, boolean countLetters, boolean countOthers)
count Chars 
int count = 0;
for (char c : s.toCharArray()) {
    if (Character.isDigit(c)) {
        if (countDigits)
            count++;
    } else if (Character.isLetter(c)) {
        if (countLetters)
            count++;
...
intcountChars(String s, char c)
count Chars 
int count = 0;
int index = -1;
while ((index = s.indexOf(c, index + 1)) != -1) {
    count++;
return count;
intcountChars(String s, char c)
Returns the number of occurrences of a char in a string. 
int retVal = 0;
for (int i = 0; i < s.length(); i++)
    retVal += s.charAt(i) == c ? 1 : 0;
return retVal;
intcountChars(String s, char c)
count Chars 
int cnt = 0;
for (int i = 0; i < s.length(); i++) {
    if (s.charAt(i) == c) {
        cnt++;
return cnt;