Ví dụ về String method trong Java: Length()

            public int length()
        

            public class Sample_String {
    public static void main(String[] args) {
        //declare the String as an object S1 S2
        String S1 = "Hello Java String Method";
        String S2 = "RockStar";

        //length() method of String returns the length of a String S1.
        int length = S1.length();
        System.out.println("Length of a String is: " + length);
        //8 Length of a String RockStar
        System.out.println("Length of a String is: " + S2.length());
    }
}
        

            Length of a String is: 24
Length of a String is: 8