Java Basic- OOP - Interface - Quản lý mèo (cat) trong java

#UsingManagerCat.java

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package lesson06.bt993;

import java.util.Scanner;

/**
 *
 * @author Diep.Tran
 */
public class UsingManagerCat {
    static ColorManager colorManager = new ColorManager();
    static ManagerCat managerCat = new ManagerCat();
    static Scanner scan = new Scanner(System.in);
        
    public static void main(String[] args) {
        int choose;
        
        do {
            showMenu();
            choose = Integer.parseInt(scan.nextLine());
            
            switch(choose) {
                case 1:
                    colorManager.nhap();
                    break;
                case 2:
                    managerCat.nhap(colorManager);
                    break;
                case 3:
                    managerCat.hienthi();
                    break;
                case 4:
                    managerCat.sortByColor();
                    managerCat.hienthi();
                    break;
                case 5:
                    managerCat.searchingByLoai();
                    break;
                case 6:
                    managerCat.sortByColorIndex();
                    managerCat.hienthi();
                    break;
                case 7:
                    System.out.println("Thoat!!!");
                    break;
                default:
                    System.out.println("Nhap sai!!!");
                    break;
            }
        } while(choose != 7);
    }
    
    static void showMenu() {
        System.out.println("1. Nhap danh sach ma mau");
        System.out.println("2. Nhap n Meo");
        System.out.println("3. Hien thi thong tin Meo");
        System.out.println("4. Sap xep danh sach theo mau");
        System.out.println("5. Tim kiem thon tin theo loai");
        System.out.println("6. Sap xep theo index bang mau ColorManager");
        System.out.println("7. Thoat");
        System.out.println("Chon: ");
    }
}

#ManagerCat.java

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package lesson06.bt993;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Scanner;

/**
 *
 * @author Diep.Tran
 */
public class ManagerCat {
    ArrayList<CatDetail> catList;
    
    public ManagerCat() {
        catList = new ArrayList<>();
    }

    public ArrayList<CatDetail> getCatList() {
        return catList;
    }

    public void setCatList(ArrayList<CatDetail> catList) {
        this.catList = catList;
    }
    
    public void nhap(ColorManager colorManager) {
        if(colorManager.getColorList().isEmpty()) {
            System.out.println("Khong the nhap Meo khi bang mau rong!!!");
            return;
        }
        
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap so meo can them: ");
        
        int n = Integer.parseInt(scan.nextLine());
        
        for (int i = 0; i < n; i++) {
            CatDetail catDetail = new CatDetail();
            catDetail.nhap(colorManager);
            
            catList.add(catDetail);
        }
    }
    
    public void hienthi() {
        for (CatDetail catDetail : catList) {
            catDetail.hienthi();
        }
    }
    
    public void sortByColor() {
        Collections.sort(catList, new Comparator<CatDetail>() {
            @Override
            public int compare(CatDetail o1, CatDetail o2) {
                return o1.getMau().compareToIgnoreCase(o2.getMau());
            }
        });
    }
    
    public void searchingByLoai() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap loai can tim: ");
        String loai = scan.nextLine();
        
        for (CatDetail catDetail : catList) {
            if(catDetail.getLoai().equalsIgnoreCase(loai)) {
                catDetail.hienthi();
            }
        }
    }
    
    public void sortByColorIndex() {
        Collections.sort(catList, new Comparator<CatDetail>() {
            @Override
            public int compare(CatDetail o1, CatDetail o2) {
                if(o1.getColorIndex() > o2.getColorIndex()) {
                    return 1;
                }
                return -1;
            }
        });
    }
}

#ICat.java

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package lesson06.bt993;

/**
 *
 * @author Diep.Tran
 */
public interface ICat {
    String TEN = "Meo";
    
    void nhap();
    
    void hienthi();
}

#ColorManager.java

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package lesson06.bt993;

import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author Diep.Tran
 */
public class ColorManager {
    ArrayList<String> colorList;

    public ColorManager() {
        colorList = new ArrayList<>();
    }
    
    public void nhap() {
        Scanner scan = new Scanner(System.in);
        
        System.out.println("Nhap ma mau moi: ");
        String color = scan.nextLine();
        
        if(colorList.contains(color)) {
            System.out.println("Ma mau nay da ton tai -> " + color);
        } else {
            colorList.add(color);
        }
    }
    
    public void hienthi() {
        System.out.println("Danh sach ma mau: ");
        for (int i = 0; i < colorList.size(); i++) {
            System.out.println((i + 1) + ". " + colorList.get(i));
        }
    }

    public ArrayList<String> getColorList() {
        return colorList;
    }

    public void setColorList(ArrayList<String> colorList) {
        this.colorList = colorList;
    }
}

#CatDetail.java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package lesson06.bt993;

import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author Diep.Tran
 */
public class CatDetail implements ICat {

    /**
     * mau -> gia tri -> nam trong lop ColorManager.
     */
    String loai, mau, noisong;
    int colorIndex;

    public CatDetail() {
    }

    public CatDetail(String loai, String mau, String noisong) {
        this.loai = loai;
        this.mau = mau;
        this.noisong = noisong;
    }

    @Override
    public void nhap() {
        Scanner scan = new Scanner(System.in);

        System.out.println("Nhap loai: ");
        loai = scan.nextLine();

        System.out.println("Nhap noi song: ");
        noisong = scan.nextLine();
    }

    public void nhap(ColorManager colorManager) {
        nhap();

        ArrayList<String> colorList = colorManager.getColorList();
        Scanner scan = new Scanner(System.in);

        System.out.println("Nhap mau: ");
        while (true) {
            colorManager.hienthi();

            mau = scan.nextLine();

            boolean isFind = false;
            for (int i = 0; i < colorList.size(); i++) {
                if (colorList.get(i).equalsIgnoreCase(mau)) {
                    colorIndex = i;
                    isFind = true;
                    break;
                }
            }
            if (isFind) {
                break;
            }
            System.out.println("Yeu cau nhap lai ma mau: ");
//            
//            if(colorManager.getColorList().contains(mau)) {
//                break;
//            } else {
//                System.out.println("Yeu cau nhap lai ma mau: ");
//            }
        }
    }

    @Override
    public void hienthi() {
        System.out.printf("\nLoai: %s, mau: %s, noi song: %s", loai, mau, noisong);
    }

    public String getLoai() {
        return loai;
    }

    public void setLoai(String loai) {
        this.loai = loai;
    }

    public String getMau() {
        return mau;
    }

    public void setMau(String mau) {
        this.mau = mau;
    }

    public String getNoisong() {
        return noisong;
    }

    public void setNoisong(String noisong) {
        this.noisong = noisong;
    }

    public int getColorIndex() {
        return colorIndex;
    }

    public void setColorIndex(int colorIndex) {
        this.colorIndex = colorIndex;
    }
}