Count letters in a String in Java
Description
The following code shows how to count letters in a String.
Example
//from w ww. j a v a 2s . c o m
public class Main {
public static void main(String[] args) {
String str = "12345";
int counter = 0;
for (int i = 0; i < str.length(); i++) {
if (Character.isLetter(str.charAt(i)))
counter++;
}
System.out.println(counter + " letters.");
}
}
The code above generates the following result.
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