Java Program to count the total number of characters in a string

Java Program to count the total number of characters in a string

Example:

Input: str =  " Hello World 12! ";
Output: 13

Approach: Count all character excluding while space

Java

public class CountTotalCharacter {
    public static void main(String[] args) {
        String str = " Hello World 12! ";
        int count = 0;
        for (int i = 0; i < str.length(); i++) {
            if (str.charAt(i) != ' ') {
                count++;
            }
        }
        System.out.println(count);
    }
}

Approach: Count the only character

Java

public class CountTotalCharacter {
    public static void main(String[] args) {
        String str = " Hello World 12! ";
        int count = 0;
        for (int i = 0; i < str.length(); i++) {
            if (Character.isAlphabetic(str.charAt(i))) {
                count++;
            }
        }
        System.out.println(count);
    }
}