Giải Đề Thi Java - Lần 2

By devnguhoc - Thứ Năm, 5 tháng 7, 2018 - 1 Comment

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Kham Khảo

Class TaiLieu

import java.util.*;

public abstract class TaiLieu {

 private String MaSo, TenNhaSX;
 private int SoBanPhatHanh;
 
 public String getMaSo() {
  return MaSo;
 }
 public void setMaSo(String maSo) {
  MaSo = maSo;
 }
 public String getTenNhaSX() {
  return TenNhaSX;
 }
 public void setTenNhaSX(String tenNhaSX) {
  TenNhaSX = tenNhaSX;
 }
 public int getSoBanPhatHanh() {
  return SoBanPhatHanh;
 }
 public void setSoBanPhatHanh(int soBanPhatHanh) {
  SoBanPhatHanh = soBanPhatHanh;
 }
 
 public TaiLieu() {
  super();
 }
 
 public TaiLieu(String name, String maso, int so_ban_phat_hanh) {
  super();
  this.setTenNhaSX(name);
  this.setMaSo(maso);
  this.setSoBanPhatHanh(so_ban_phat_hanh);
 }
 
 public void NhapThongTin() {
  Scanner sc = new Scanner(System.in);
  
  System.out.print("Nhap Ten Nha San Xuat: ");
  String name = sc.nextLine();
  this.setTenNhaSX(name);
  
  System.out.print("Nhap Ma So: ");
  String ms = sc.nextLine();
  this.setMaSo(ms);
  
  System.out.print("Nhap So Ban Duoc Phat Hanh: ");
  int so_luong = sc.nextInt();
  this.setSoBanPhatHanh(so_luong);
 }
 
 public void XuatThongTin() {
  System.out.println("Ten Nha San Xuat: "+this.getTenNhaSX());
  System.out.println("Ma So Tai Lieu: "+this.getMaSo());
  System.out.println("So Ban Phat Hanh: "+this.getSoBanPhatHanh());
 }
 
}

Class Sach

import java.util.*;

public class Sach extends TaiLieu{

 private String TenTacGia;
 private int So_Trang;
 
 public String getTenTacGia() {
  return TenTacGia;
 }
 public void setTenTacGia(String tenTacGia) {
  TenTacGia = tenTacGia;
 }
 public int getSo_Trang() {
  return So_Trang;
 }
 public void setSo_Trang(int so_Trang) {
  So_Trang = so_Trang;
 }
 
 public Sach() {
  super();
 }
 
 public Sach(String name, String maso, int so_ban_phat_hanh, String tacgia, int trang) {
  super(name,maso,so_ban_phat_hanh);
  this.setTenTacGia(tacgia);
  this.setSo_Trang(trang);
 }
 
 public void NhapThongTin() {
  super.NhapThongTin();
  
  Scanner sc = new Scanner(System.in);
  
  System.out.print("Nhap Ten Tac Gia: ");
  String tg = sc.nextLine();
  this.setTenTacGia(tg);
  
  System.out.print("Nhap So Trang Cua Sach: ");
  int trg = sc.nextInt();
  this.setSo_Trang(trg);
 }
 
 public void XuatThongTin() {
  super.XuatThongTin();
  System.out.println("Ten Tac Gia: "+this.getTenTacGia());
  System.out.println("So Trang: "+this.getSo_Trang());
 }
 
}

Class TapChi

import java.util.Scanner;

public class TapChi extends TaiLieu{

 private int SoPhatHanh, NgayPhatHanh;

 public int getSoPhatHanh() {
  return SoPhatHanh;
 }

 public void setSoPhatHanh(int soPhatHanh) {
  SoPhatHanh = soPhatHanh;
 }

 public int getNgayPhatHanh() {
  return NgayPhatHanh;
 }

 public void setNgayPhatHanh(int ngayPhatHanh) {
  NgayPhatHanh = ngayPhatHanh;
 }
 
 public TapChi() {
  super();
 }
 
 public TapChi(String name, String maso, int so_ban_phat_hanh, int sophathanh, int ngay) {
  super(name,maso,so_ban_phat_hanh);
  this.setSoPhatHanh(sophathanh);
  this.setNgayPhatHanh(ngay);
 }
 
 public void NhapThongTin() {
  super.NhapThongTin();
  Scanner sc = new Scanner(System.in);
  
  System.out.print("Nhap So Phat Han: ");
  int sophathanh = sc.nextInt();
  this.setSoPhatHanh(sophathanh);
  
  System.out.print("Ngay Phat Hanh: ");
  int ngay = sc.nextInt();
  this.setNgayPhatHanh(ngay);
 }
 
 public void XuatThongTin() {
  super.XuatThongTin();
  System.out.println("So Phat Hanh: "+this.getSoPhatHanh());
  System.out.println("Ngay Phat Hanh: "+this.getNgayPhatHanh());
 }
}

Class DanhSachTaiLieu

import java.util.Scanner;

public class DanhSachTaiLieu {
public int total = 0;
 
 TaiLieu[] tailieu = new TaiLieu[100];
 
 void cheat() {
  for(int i=0; i<100; i++)
   tailieu[i] = new TaiLieu() {
   };
 }
 
 public void KiemTra(int key) {
  if(key == 1) {
   tailieu[total] = new Sach();
   Sach sach = new Sach();
   sach.NhapThongTin();
   tailieu[total] = sach;
   total++;
   
  }
  
  else if(key == 2) {
   tailieu[total] = new TapChi();
   TapChi tapchi = new TapChi();
   tapchi.NhapThongTin();
   tailieu[total] = tapchi;
   total++;
  }
  
  else if(key == 3) {
   for(int i=0; i<total; i++)
    tailieu[i].XuatThongTin();
    System.out.println();
  }
 }
 
 public void Search() {
  System.out.println();
  Scanner sc = new Scanner(System.in);
  System.out.print("Nhap Ten Nha San Xuat Can Tim: ");
  String search = sc.nextLine();
  
  for(int i=0; i<total; i++)
   if(tailieu[i].getTenNhaSX().equals(search) == true) tailieu[i].XuatThongTin();
  System.out.println();
 }
 
 public void TaiLieuPhatHanhNhieuNhat() {
  System.out.println();
  int max = tailieu[0].getSoBanPhatHanh();
  int max1 = 0;
  
  for(int i=1; i<total; i++)
   if(max < tailieu[i].getSoBanPhatHanh()) {
     max = tailieu[i].getSoBanPhatHanh();
     max1 = i;
   }
  
  tailieu[max1].XuatThongTin();
  System.out.println();
 }
 
}

Class Test Main

import java.util.Scanner;

public class TestMain {

 
 public static void main(String[] args) {
  DanhSachTaiLieu danhsach = new DanhSachTaiLieu();
  
  Scanner sc = new Scanner(System.in);
  int key;
  
  do
  {
   
  System.out.println("0. Thoat");
  System.out.println("1. Them Sach");
  System.out.println("2. Them Tap Chi");
  System.out.println("3. Hien Thi Danh Sach Tai Lieu");
  System.out.println("4. Tim Kiem Ten Nha Xuat Ban");
  System.out.println("5. Nguoi Co So Phat Hanh Nhieu Nhat");
  
  System.out.print("Ban Muon Chon: ");
  key = sc.nextInt();
  
  switch(key) {
  case 0: break;
  case 1: danhsach.KiemTra(key); break;
  case 2: danhsach.KiemTra(key); break;
  case 3: danhsach.KiemTra(key); break;
  case 4: danhsach.Search(); break;
  case 5: danhsach.TaiLieuPhatHanhNhieuNhat(); break;
  }
  }while(key != 0);
  
 }
}

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Giải Đề Thi Java - Lần 2

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