The length() method returns the number of characters in a string.
Example
class Main {
public static void main(String[] args) {
String str1 = "Java is fun";
// returns the length of str1
int length = str1.length();
System.out.println(str1.length());
}
}
// Output: 11
length() Syntax
The syntax of the string's length() method is:
string.length()
length() Arguments
- The
length()method doesn't take any arguments.
length() Return Value
- The
length()method returns the length of a given string.
The length is equal to the number of characters (code units) in the string.
Example: Java String length()
class Main {
public static void main(String[] args) {
String str1 = "Java";
String str2 = "";
System.out.println(str1.length()); // 4
System.out.println("Java".length()); // 4
// length of empty string
System.out.println(str2.length()); // 0
// new line is considered a single character
System.out.println("Java\n".length()); // 5
System.out.println("Learn Java".length()); // 10
}
} 