public class Student {

	private final String studentName;
	private final int rollNo;
	private int grade;
	private Book book;
	public boolean issuedBook;
	List<Student> student = new ArrayList<>();

	Map<Student, List<Book>> bookIssued = new HashMap<>();

	public Student(String studentName, int rollNo) {
		this.studentName = studentName;
		this.rollNo = rollNo;

	}


	public void setGrade(int grade) {
		this.grade = grade;
	}

	public String getName() {
		return studentName;
	}

	public int getRollNo() {
		return rollNo;
	}

	public int getGrade() {
		return grade;
	}
}


//Book class

public class Book {

	private String[] bookName = {"Math", "English"};
	private boolean bookIssued;

	public boolean issueBook(Student student) {
		if (!student.issuedBook) {
			return false;
		}
		return true;
	}

}