public class MethodString {
    public static void main(String[] args) {
        String teks = "Belajar Java itu menyenangkan";

        System.out.println("length()          : " + teks.length());
        System.out.println("substring(8)      : " + teks.substring(8));
        System.out.println("substring(0, 7)   : " + teks.substring(0, 7));
        System.out.println("indexOf(\"Java\")   : " + teks.indexOf("Java"));
        System.out.println("indexOf(\"Kotlin\") : " + teks.indexOf("Kotlin"));
        System.out.println("contains(\"itu\")   : " + teks.contains("itu"));
        System.out.println("toUpperCase()     : " + teks.toUpperCase());
        System.out.println("replace('a', 'o') : " + teks.replace('a', 'o'));

        String jarang = "   Java   ";
        System.out.println("strip()           : [" + jarang.strip() + "]");
        System.out.println("isBlank()         : " + "   ".isBlank());
        System.out.println("trim vs strip     : [" + "\u2000teks\u2000".trim() + "] [" + "\u2000teks\u2000".strip() + "]");
        System.out.println("repeat(3)         : " + "ab".repeat(3));
        System.out.println("join              : " + String.join(", ", "Budi", "Siti", "Dewi"));
    }
}