Answered! public static String yourName() that returns a string containing your name in the format "lastname, firstname"…

//name.java

public class name {

    public static String yourname(String name1) {

String first_name = name1.substring(0, name1.indexOf(” “));

String last_name = name1.substring(name1.indexOf(” “));

return String.format(“%s, %s”, last_name, first_name);

}

//main method

public static void main(String args[]) {

String name1 = “devi mano”;

name1 = yourname(name1);

System.out.println(name1);

}

}