public class MyClass {
public static String rightCharacters(String s, int length) {
return s.substring(s.length() - length);
}
public static void main(String args[]) {
String s = "Java is a class-based, object-oriented programming language";
String result = rightCharacters(s, 4);
System.out.println(result);
}
}
/*
run:
uage
*/