2021-08-31 14:05:21

#Customer.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 Java2Buoi9.BT1174;

import java.util.Scanner;

/**
 *
 * @author ADMIN
 */
public class Customer {

    String name, email, phone;

    public Customer() {
    }

    public Customer(String name, String email, String phone) {
        this.name = name;
        this.email = email;
        this.phone = phone;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public boolean setEmail(String email) {
        if (email.contains("@")) {
            this.email = email;
            return true;
        } else {
            System.out.println("Email wrong...");
        }
        return false;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public void input() {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter name: ");
        name = sc.nextLine();
        System.out.println("Enter Email: ");
        while (!setEmail(sc.nextLine())) {            
            System.out.println("Email must have @...");
        }
        System.out.println("Enter Phone: ");
        phone = sc.nextLine();
    }

    @Override
    public String toString() {
        return name + "     " + phone ;
    }
    
    public void display(){
        System.out.println(this);
    }
}

#Program.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 Java2Buoi9.BT1174;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;

/**
 *
 * @author ADMIN
 */
public class Program {
    static Scanner sc = new Scanner(System.in);
    public static void main(String args[]) {
        Map<String, Customer> maps = new HashMap<>();
        int choose;
        
        do {
            showMenu();
            choose = Integer.parseInt(sc.nextLine());
            
            switch(choose){
                case 1:
                    System.out.println("Enter N customer: ");
                    int n = Integer.parseInt(sc.nextLine());
                    for (int i = 0; i < n; i++) {
                        System.out.println("Customer is " +(i+1));
                        Customer c = new Customer();
                        c.input();
                        maps.put(c.getName(), c);
                    }
                    break;
                case 2:
                    System.out.println("Enter the name u want to search :  ");
                    String nameSearch = sc.nextLine();
                    
                    for (Map.Entry<String, Customer> check : maps.entrySet()) {
                        if (check.getKey().equalsIgnoreCase(nameSearch)) {
                            System.out.println("Customer name found is " + check);
                            break;
                            }else{
                            System.out.println("Not found..");
                            break;
                        }
                    }
                    break;
                case 3:
                    System.out.println("          CRM           ");
                    System.out.println("Name            Phone nummber");
                    for (Map.Entry<String, Customer> entry : maps.entrySet()) {
                       
                        Customer val = entry.getValue();
                        System.out.println(val);
                        
                    }
                    break;
                case 4:
                    System.out.println("Exit program");
                    break;
                default:
                    System.out.println("Again....");
                    break;
            }
            
        } while (choose != 4);
    
    }
    
    static void showMenu(){
        System.out.println("++=================++");
        System.out.println("1.Add new customer");
        System.out.println("2.Find by name");
        System.out.println("3.Display all");
        System.out.println("4.Exit");
        System.out.println("Chosse: ");
    }
}

2021-08-30 04:14:37

#customer.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 Assigament;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author ASUS
 */
public class customer {
    String name,email,phone,address;

    public customer() {
    }

    public customer(String name, String email, String phone, String address) {
        this.name = name;
        this.email = email;
        this.phone = phone;
        this.address = address;
    }
    
    public void input() {
        InputStreamReader reader = new InputStreamReader(System.in);
        BufferedReader bufferedReader = new BufferedReader(reader);
        
        try {
            System.out.println("Nhap ten khach hang");
            name = bufferedReader.readLine();
            System.out.println("Nhap email khach hang");
            email = bufferedReader.readLine();
            System.out.println("Nhap dien thoai khach hang");
            phone = bufferedReader.readLine();
            System.out.println("Nhap dia chi");
            address = bufferedReader.readLine();
        } catch (IOException ex) {
            Logger.getLogger(customer.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    public void display() {
        System.out.println(this);
    }
    
    @Override
    public String toString() {
        return "customer{" + "name=" + name + ", email=" + email + ", phone=" + phone + ", address=" + address + '}';
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public String getAddress() {
        return address;
    }

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

#Main.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 Assigament;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Scanner;

/**
 *
 * @author ASUS
 */
public class Main {
    
    
    public static void main(String[] args) {
        HashMap<String, customer> hash = new HashMap<>();
        int choose;
        Scanner sc = new Scanner(System.in);
          do {
              showMenu();
              choose = Integer.parseInt(sc.nextLine());
               switch(choose) {
                   case 1:
                       System.out.println("Nhap so khach hang muon them");
                       int n = Integer.parseInt(sc.nextLine());
                       for(int i = 0; i < n; i++) {
                           customer ct = new customer();
                           ct.input();
                           hash.put(ct.getName(), ct);
                       }
                       break;
                   case 2:
                       System.out.println("Nhap ten khach hang can tim");
                       String name = sc.nextLine();
                       if(hash.containsKey(name)) {
                           System.out.println(hash.get(name));
                       } else {
                           System.out.println("Khach hang tren khong ton tai");
                       }
                       break;
                   case 3:
                       for(String i : hash.keySet()) {
                           System.out.println(hash.get(i));
                       }
                       break;
                   case 4:
                       System.out.println("Seee you again");
                       break;
                   default:
                       System.out.println("Please input again");
                       break;
               }
          } while(choose != 4);   
    }
    static void showMenu() {
        System.out.println("1:Add new Customer.");
        System.out.println("2:Find by name");
        System.out.println("3:Display all");
        System.out.println("4:Exit");
    }
}

2021-03-25 09:19:49

/*
 * 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 qhkh;

import java.util.Scanner;

/**
 *
 * @author WIN10
 */
public class quanhekhachhang {
    String name, email;
    int phonenumber;

    public quanhekhachhang() {
    }

    public quanhekhachhang(String name, String email, int phonenumber) {
        this.name = name;
        this.email = email;
        this.phonenumber = phonenumber;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public int getPhonenumber() {
        return phonenumber;
    }

    public void setPhonenumber(int phonenumber) {
        this.phonenumber = phonenumber;
    }

    @Override
    public String toString() {
        return "quanhekhachhang{" + "name=" + name + ", email=" + email + ", phonenumber=" + phonenumber + '}';
    }
    public void input(){
     Scanner scan = new Scanner(System.in);
        System.out.println("nhap ten: ");
        name = scan.nextLine();
        System.out.println("nhap email: ");
        email = scan.nextLine();
        System.out.println("nhap so dien thoai: ");
        phonenumber = scan.nextInt();
    }
    public void display(){
        System.out.println("toString");
    }
    
}

2021-03-25 09:19:05

/*
 * 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 qhkh;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

/**
 *
 * @author WIN10
 */
public class main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Map<String, quanhekhachhang> xxx = new HashMap<>();
        int choose;
        do {
            showMenu();
            choose = Integer.parseInt(scan.nextLine());
            switch (choose) {
                case 1:
                    System.out.println("nhap ten khach hang: ");
                    int n;
                    n = Integer.parseInt(scan.nextLine());
                    for (int i = 0; i < n; i++) {
                        quanhekhachhang qhkh = new quanhekhachhang();
                        qhkh.input();
                        xxx.put(qhkh.getName(), qhkh);
                    }

                    break;
                case 2:
                    System.out.println("tim theo ten khach hang: ");
                    String nameFind = scan.nextLine();
                    for (Map.Entry<String, quanhekhachhang> entry : xxx.entrySet()) {
                        if (entry.getKey().equalsIgnoreCase(nameFind)) {
                            System.out.println("entry");

                        } else {
                            System.out.println("khong tim thay khach hang!!!!");

                        }

                    }

                    break;
                case 3:
                    System.out.println("hien thi tat ca khach hang: ");
                    for (Map.Entry<String, quanhekhachhang> entryxxx : xxx.entrySet()) {
                     String key = entryxxx.getKey();
                     quanhekhachhang value = entryxxx.getValue();
                     value.display();
                       
                    }
                    break;
                case 4:
                    System.out.println("thoat!!!!");
                    break;
                default:
                    System.out.println("nhap lai!!!!!");
                    break;

            }

        } while (choose != 4);
    }

    public static void showMenu() {
        System.out.println("==================================");
        System.out.println("xin moi chon: ");
        System.out.println("1: them khach hang: ");
        System.out.println("2: tìm theo ten khach hang: ");
        System.out.println("3: hien thi tat ca: ");
        System.out.println("4: thoat: ");

    }

}

2021-03-25 03:50:52

#Customer.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 Java2.lesson6.Customer;

import static Java2.lesson6.Customer.CustomerRelationship.customerList;
import java.util.Map;
import java.util.Scanner;

/**
 *
 * @author MyPC
 */
public class Customer {
    String name, phoneNumber, email;

    public Customer() {
    }

    public Customer(String name, String phoneNumber, String email) {
        this.name = name;
        this.phoneNumber = phoneNumber;
        this.email = email;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }
    
    public void add(String a, String b){
        CustomerRelationship.customerList.put(a, b);
    }
    public void search(){
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap ten:");
        String nameSearch = scan.nextLine();
        int check = 0;
        for (Map.Entry<String, String> entry : customerList.entrySet()) {
            if(entry.getKey().equalsIgnoreCase(nameSearch)){
                check++;
                String a = "Name";
                String b = "Phone number";
                String c = "CRM";
                System.out.format("%15s",c);
                System.out.println("");
                System.out.format("%-20s%-20s",a,b);
                System.out.println("");
                System.out.format("%-20s%-20s",entry.getKey(),entry.getValue());
                System.out.println("");
                break;
            }
        }
        if(check == 0) System.out.println("Khong tim thay nhan vien nao");
    }
    public void show(){
        String a = "Name";
        String b = "Phone number";
        String c = "CRM";
        System.out.format("%15s",c);
        System.out.println("");
        System.out.format("%-20s%-20s",a,b);
        System.out.println("");
        customerList.entrySet().stream().map((entry) -> {
            System.out.format("%-20s%-20s",entry.getKey(),entry.getValue());
            return entry;
        }).forEachOrdered((_item) -> {
            System.out.println("");
        });
    }

    @Override
    public String toString() {
        return "Customer{" + "name=" + name + ", phoneNumber=" + phoneNumber + ", email=" + email + '}';
    }
    
}

#CustomerRelationship.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 Java2.lesson6.Customer;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

/**
 *
 * @author MyPC
 */
public class CustomerRelationship {
    static HashMap<String,String> customerList = new HashMap<>();
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Customer csm = new Customer();
        int choose;
        do{
            showMenu();
            System.out.println("Lua chon chuong trinh:");
            choose = Integer.parseInt(scan.nextLine());
            switch(choose){
                case 1:
                    Customer customer = new Customer();
                    System.out.println("Nhap ten:");
                    customer.name = scan.nextLine();
                    System.out.println("Nhap so dien thoai:");
                    customer.phoneNumber = scan.nextLine();
                    System.out.println("Nhap email:");
                    customer.email = scan.nextLine();
                    customer.add(customer.name, customer.phoneNumber);
                    break;
                case 2:
                    csm.search();
                    break;
                case 3:
                    csm.show();
                    break;
                case 4:
                    System.out.println("Tam biet");
                    break;
                default:
                    System.out.println("Loi");
                    break;
            }
        }while(choose !=4);
    }
    
    static void showMenu(){
        System.out.println("1.Add new customer");
        System.out.println("2.Find by name");
        System.out.println("3.Display all");
        System.out.println("4.Exit");
    }
}

2021-03-25 03:21:26

/*
 * 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 ex.test;

import java.util.Scanner;

/**
 *
 * @author TrungDuc
 */
public class Customer {

    String name;
    String email;
    String phoneNumber;

    public Customer() {
    }

    public Customer(String name, String email, String phoneNumber) {
        this.name = name;
        this.email = email;
        this.phoneNumber = phoneNumber;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public void input() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap Name:");
        name = scan.nextLine();
        System.out.println("Nhap Email:");
        email = scan.nextLine();
        System.out.println("Nhap PhoneNumber:");
        phoneNumber = scan.nextLine();
    }

    @Override
    public String toString() {
        return "Customer{" + "name=" + name + ", email=" + email + ", phoneNumber=" + phoneNumber + '}';
    }

}

2021-03-25 03:21:14

/*
 * 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 ex.test;

import java.util.HashMap;
import java.util.Scanner;
import java.util.Set;

/**
 *
 * @author TrungDuc
 */
public class Main {

    static HashMap<String, Object> customerList = new HashMap<>();

    public static void main(String[] agrs) {
        int choose;
        do {
            Menu();
            Scanner scan = new Scanner(System.in);
            choose = Integer.parseInt(scan.nextLine());

            switch (choose) {
                case 1:
                    addCustomer();
                    break;

                case 2:
                    findByName();
                    break;

                case 3:
                    displayAll();
                    break;

                case 4:
                    Exit();
                    break;

                default:
                    System.out.println("Nhap choose sai!!!!");
                    break;
            }

        } while (choose != 4);

    }

    static void Menu() {
        System.out.println("1.Add new customer");
        System.out.println("2.Find by name");
        System.out.println("3.Display All");
        System.out.println("4.Exit");
        System.out.println("Choose: ");
    }

    private static void addCustomer() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap so luong khach hang muon nhap: ");
        int num = Integer.parseInt(scan.nextLine());

        for (int i = 0; i < num; i++) {
            Customer cus = new Customer();
            cus.input();
            customerList.put(cus.getName(), cus);
        }
    }

    private static void findByName() {
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap ten khach hang muon tim: ");
        String findName = scan.nextLine();
        for (String i : customerList.keySet()) {
            if (i.equalsIgnoreCase(findName)) {
                System.out.println(customerList.get(i));
            }
        }
    }

    private static void displayAll() {
       for(Object i : customerList.values()){
           System.out.println(i);
       }
    }

    private static void Exit() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

}

2021-03-24 16:56:16

#Customer.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 java2.test.CustomerRelationship;

import java.util.Scanner;

/**
 *
 * @author Administrator
 */
public class Customer {
    String name,email,phone;

    public Customer() {
    }

    public Customer(String name, String email, String phone) {
        this.name = name;
        this.email = email;
        this.phone = phone;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }
    public void input(){
        System.out.println("Nhap thong tin Sinh Vien:");
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap ten:");
        name = scan.nextLine();
        System.out.println("Nhap email:");
        email = scan.nextLine();
        System.out.println("Nhap sdt:");
        phone = scan.nextLine();
    }
    public void display(){
        System.out.println(this);
    }
    @Override
    public String toString() {
        return "Customer{" + "name=" + name + ", email=" + email + ", phone=" + phone + '}';
    }
    
}

#Main.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 java2.test.CustomerRelationship;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

/**
 *
 * @author Administrator
 */
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Map<String, Customer> map = new HashMap<>();
        int choose;
        do{
            showMenu();
            choose = Integer.parseInt(scan.nextLine());
            switch(choose){
                case 1:
                    System.out.println("Input number customer:");
                    int select = Integer.parseInt(scan.nextLine());
                    for (int i = 0; i < select; i++) {
                        Customer customer = new Customer();
                        customer.input();
                        map.put(customer.name, customer);
                    }
                    break;
                case 2:
                    
                    break;
                case 3:
                    map.entrySet().forEach((entry) -> {
                    System.out.println(entry);
                    });
                    break;
                case 4:
                    System.out.println("Exit!!!");
                    break;
                default:
                    System.out.println("Nhap sai!!!");
                    break;
            }
        }while(choose !=4);
    }
    static void showMenu(){
        System.out.println("1. Add new customer");
        System.out.println("2. Find by name");
        System.out.println("3. Display all");
        System.out.println("4.Exit");
    }

    
}

2021-03-24 10:16:40

/*
 * 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 baithi1174;

import java.util.Scanner;

/**
 *
 * @author MTLS
 */
public class Customer {
    String name, email, phone;

    public Customer() {
    }

    public Customer(String name, String email, String phone) {
        this.name = name;
        this.email = email;
        this.phone = phone;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    @Override
    public String toString() {
        return "Customer{" + "name=" + name + ", phone=" + phone + '}';
    }

    
    
    public void input() {
        Scanner sc = new Scanner(System.in);
        System.out.println("Input name: ");
        name = sc.nextLine();
        
        System.out.println("Input Email: ");
        email = sc.nextLine();
        
        System.out.println("Input Phone Number: ");
        phone = sc.nextLine();
    }
    
    public void display() {
        System.out.println(this);
    }
}

2021-03-24 10:16:18

/*
 * 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 baithi1174;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

/**
 *
 * @author MTLS
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Map<String, Customer> ctmMap = new HashMap<>();
        int choose;
        do {
            showMenu();
            choose = Integer.parseInt(sc.nextLine());
            switch(choose) {
                case 1:
                    int n;
                    System.out.println("Input N customer: ");
                    n = Integer.parseInt(sc.nextLine());
                    for (int i = 0; i < n; i++) {
                        Customer ctm = new Customer();
                        ctm.input();
                        ctmMap.put(ctm.getName(), ctm);
                    }
                    break;
                case 2:
                    System.out.println("Enter the name you want to find: ");
                    String nameFind = sc.nextLine();
                    for (Map.Entry<String, Customer> entry : ctmMap.entrySet()) {
                        if(entry.getKey().equalsIgnoreCase(nameFind)) {
                            System.out.println(entry);
                        } else {
                            System.out.println("The name is not found");
                        }
                        
                    }
                    break;
                case 3:
                    
                    System.out.println("Information Customer: ");
                    for (Map.Entry<String, Customer> entry : ctmMap.entrySet()) {
                        String key = entry.getKey();
                        Customer value = entry.getValue();
                        value.display();
                    }
                    break;
                case 4:
                    System.out.println("exit");
                    break;
                default:
                    System.out.println("retype");
                    break;
            }
        } while(choose != 4);
    }

    private static void showMenu() {
        System.out.println("1. Add new customer");
        System.out.println("2. Find by name");
        System.out.println("3. Display all");
        System.out.println("4. Exit"); 
        System.out.println("Choose: ");
               
    }
}