Question 4 What is the output of the following code? public interface IUser{ bool Login(string input_username, string input_password); } public interface IFaculty{ void PrintWelcome(); void PrintWarning(); } class Instructor:IUser, IFaculty string username = "alice"; string password = "alice123"; public bool Login(string input_username, string input_password) { } if((username == input_username) && (password return true; } else{ } } public void PrintWelcome(){ return false; Console.WriteLine("Welcome: "+username); } public void PrintWarning(){ Console.WriteLine("Login Failed! Try again"); class Program { static void Main(string[] args) { Instructor ins1 = new Instructor(); bool login_result = ins1. Login("alice","alice"); if(login_result == true){ ins1. PrintWelcome(); }else{ } ins1. PrintWarning(); == input_password)){

Question 4 What is the output of the following code? public interface IUser{ bool Login(string input_username, string input_password); } public interface IFaculty{ void PrintWelcome(); void PrintWarning(); } class Instructor:IUser, IFaculty string username = "alice"; string password = "alice123"; public bool Login(string input_username, string input_password) { } if((username == input_username) && (password return true; } else{ } } public void PrintWelcome(){ return false; Console.WriteLine("Welcome: "+username); } public void PrintWarning(){ Console.WriteLine("Login Failed! Try again"); class Program { static void Main(string[] args) { Instructor ins1 = new Instructor(); bool login_result = ins1. Login("alice","alice"); if(login_result == true){ ins1. PrintWelcome(); }else{ } ins1. PrintWarning(); == input_password)){

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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