public class StringTest {
  public static void main (String[] args) {
    String s1 = "Weihnachten";
    String s2 = "Veihnachten";
    String s3 = "Xeihnachten";
    String s4 = "WEIHNACHTEN";

    System.out.println(s1);
    System.out.println(s1.charAt(4));
    System.out.println(s1.compareTo(s1));
    System.out.println(s1.compareTo(s2));
    System.out.println(s1.compareTo(s3));
    System.out.println(s1.endsWith("ten"));
    System.out.println(s1.equals(s2));
    System.out.println(s1.equalsIgnoreCase(s4));
    System.out.println(s1.indexOf("n"));
    System.out.println(s1.indexOf("ach"));
    System.out.println(s1.length());
    System.out.println(s1.replace('e','E'));
    System.out.println(s1.startsWith("Weih"));
    System.out.println(s1.substring(3));
    System.out.println(s1.substring(3,7));
    System.out.println(s1.toLowerCase());
    System.out.println(s1.toUpperCase());
    System.out.println(String.valueOf(1.5e2));
  }
}