public class Main {
    public static void main(String args[]){
        Student s = new Student();
        Student b = new Student();
        Student d = new Student();
    List<Students> students = new ArrayList();
    students.add(s);

    List<Students> studentsWitnSurNamesStartsWithW = new ArrayList();
    for (Student student in students){
        if (student.getSurname.toLowerCase().startsWith("w")){
            studentsWitnSurNamesStartsWithW.add(student)
        }
    }
    studentsWitnSurNamesStartsWithW
        s.setName("Vasya", "Vasek", "Vasilko");
        String N = s.getName();
        System.out.println(N);


    }

}
public class Student {
    private String name;
    private String patronymic;
    private String surname;


public String getSurname(){
return this.surname;
}
public String getPatronymic(){
return this.patronymic;
}
public String getName(){
return this.name;
}
    public String getFullName(){
        return getName() + " " + getPatronymic() + " " + getSurname();
    }
    public void setName(String name, String patronymic, String surname){
        this.name = name;
        this.patronymic = patronymic;
        this.surname = surname;
    }