Java Basic- Loop - for, while, do - while >> Quản lý thông tin sinh viên

#Main.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package bt979;

import java.util.Scanner;

/**
 *
 * @author DiepTV
 */
public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        
        String fullname = null, email = null;
        
        int choose;
        
        do {
            showMenu();
            
            choose = Integer.parseInt(input.nextLine());
            switch (choose) {
                case 1:
                    System.out.println("Nhap ten: ");
                    fullname = input.nextLine();
                    
                    System.out.println("Nhap email: ");
                    email = input.nextLine();
                    break;
                case 2:
                    System.out.println("Ten: " + fullname + ", email: " + email);
                    break;
                case 3:
                    System.out.println("Thoat!!!");
                    break;
            }
        } while(choose != 3);
    }
    
    public static void showMenu() {
        System.out.println("1. Nhap thong tin sinh vien");
        System.out.println("2. Hien thi thong tin sinh vien");
        System.out.println("3. Thoat chuong trinh");
        System.out.println("Chon: ");
    }
}

#Test.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
 */
package bt979;

import java.util.Scanner;

/**
 *
 * @author DiepTV
 */
public class Test {
    static String fullname = null, email = null;
    static Scanner input = new Scanner(System.in);
    
    public static void main(String[] args) {
        int choose;
        
        do {
            showMenu();
            
            choose = Integer.parseInt(input.nextLine());
            switch (choose) {
                case 1:
                    inputStudent();
                    break;
                case 2:
                    displayStudent();
                    break;
                case 3:
                    System.out.println("Thoat!!!");
                    break;
            }
        } while(choose != 3);
    }
    
    public static void showMenu() {
        System.out.println("1. Nhap thong tin sinh vien");
        System.out.println("2. Hien thi thong tin sinh vien");
        System.out.println("3. Thoat chuong trinh");
        System.out.println("Chon: ");
    }

    private static void inputStudent() {
        System.out.println("Nhap ten: ");
        fullname = input.nextLine();

        System.out.println("Nhap email: ");
        email = input.nextLine();
    }

    private static void displayStudent() {
        System.out.println("Ten: " + fullname + ", email: " + email);
    }
}