StudentClass

public class Student {

    private String firstName, lastName, address, studentNumber;

    public Student(String firstName, String lastName, String address, String studentNumber) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.address = address;
        this.studentNumber = studentNumber;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public String getStudentNumber() {
        return studentNumber;
    }

    public void setStudentNumber(String studentNumber) {
        this.studentNumber = studentNumber;
    }

    @Override
    public String toString() {
        return "Student {\n" +
                "\tFirst Name: " + firstName + '\'' +
                "\n\tLast Name: " + lastName + '\'' +
                "\n\tAddress: " + address + '\'' +
                "\n\tStudent Number: " + studentNumber + '\'' +
                "\n}";
    }
}