import java.util.ArrayList;
 public class Mahasiswa extends entitas
 {
   private String NRP;
   private ArrayList<Matkul> m_k;
   private ArrayList<Book> buku;
   public Mahasiswa(String Nama, int Umur, String Alamat, String nrp)
   {
     super(Nama,Umur,Alamat);
     NRP = nrp;
     m_k = new ArrayList<Matkul>();
     buku = new ArrayList<Book>();
   }
   public String getNRP()
   {
     return NRP;
   }
   public void addMK(Matkul thematkul)
   {
     m_k.add(thematkul);
   }
   public void dropMatkul(Matkul thematkul)
   {
     m_k.remove(thematkul);
   }
   public void meminjamBuku(Book book)
   {
     buku.add(book);
   }
   public void kembalikanBuku(Book book)
   {
     buku.remove(book);
   }
   public void print()
   {
     super.display();
     System.out.println("NRP :" +NRP);
     for(Matkul matakuliah : m_k)
     {
       System.out.println("Mata Kuliah :" +matakuliah.getMatkul());
       System.out.println("Kelas :" +matakuliah.getKls());
       System.out.println("Dosen :" +matakuliah.getNamaDosen());
     }
     for(Book bukuu : buku)
     {
       System.out.println("Buku yang dipinjam :" +bukuu.getJudul());
     }
   }
   /*public void print()
   {
     super.display();
     System.out.println("NRP :" +NRP);
   }  */
 }