sql count
/*COUNT(column_name) will return the number of rows from the column
that are not NULL*/
SELECT COUNT(column_name)
FROM table_name;
/*COUNT(*) will return the number of rows from the table*/
SELECT COUNT(*)
FROM table_name;sql count
/*COUNT(column_name) will return the number of rows from the column
that are not NULL*/
SELECT COUNT(column_name)
FROM table_name;
/*COUNT(*) will return the number of rows from the table*/
SELECT COUNT(*)
FROM table_name;Count function
points = [1, 4, 2, 9, 7, 8, 9, 3, 1]
x = points.count(9)count
//Calculate the times a character occurs
public static int charCount(String userInput) {
//convert the string to a char array
char[] StringArray = userInput.toCharArray();
//hashmap that stores the characters. key will be the time it occures
HashMap<Character, Integer>charCount = new HashMap<Character, Integer>();Copyright © 2021 Codeinu
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