Java Utililty Methods Char Count

List of utility methods to do Char Count

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Description

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

Method

ObjectcountCharacterOccurrences(String string, char c)
count Character Occurrences 
int result = 0;
int length = string.length();
for (int i = 0; i < length; i++) {
    if (string.charAt(i) == c) {
        result++;
return result;
...
intcountCharacters(String code, char c, int start, int end)
count Characters 
int count = 0;
for (int i = start; i < end; i++) {
    if (code.charAt(i) == c) {
        count++;
return count;
intcountCharacters(String str, char chr)
Counts the number of chr's in str. 
int ret = 0;
for (int i = 0; i < str.length(); i++) {
    if (str.charAt(i) == chr) {
        ret++;
return ret;
intcountCharInString(String s, char c)
count Char In String 
int n = 0;
for (int i = 0; i < s.length(); i++) {
    if (s.charAt(i) == c) {
        n++;
return n;
longcountChars(final String testString, final char match)
count Chars 
return testString.codePoints().filter(ch -> ch == match).count();
intcountChars(final String str, final char c)
count Chars 
int count = 0;
for (int i = 0; i < str.length(); ++i) {
    if (str.charAt(i) == c) {
        ++count;
return count;
intcountChars(final String str, final char chr)
Counts the number of occurrences of a character in a string. 
int count = 0;
boolean isWithinDoubleQuotes = false;
boolean isWithinQuotes = false;
for (int i = 0; i < str.length(); i++) {
    final char c = str.charAt(i);
    if (c == '"' && !isWithinQuotes && !isWithinDoubleQuotes) {
        isWithinDoubleQuotes = true;
    } else if (c == '"' && !isWithinQuotes) {
...
IntegercountChars(final String string, final String findStr)
Returns the number of appearces of "character" in "string". 
String strCopy = new String(string);
return strCopy.replaceAll("[" + findStr + "]", "").length();