Java Invent: Adding last three character of a string at both front and back of string

Adding last three character of a string at both front and back of string

public class AddLastThreeLetter{

    public static void main(String args[]){
        String str = "Python";

        String subpart = str.substring(str.length()-3);
        System.out.println(subpart+str+subpart);
    }
}