متد length()‎ در جاوا

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

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
    }
}