Blog

Learn To Code

Java

C++

Visual Basic

Aprender a codificar

Java

Pitón

Python

C ++

Business

General

Kodlamayı Öğren

Java

Classic ASP

PHP

Web Development

Javascript

Content Management

BuddyPress

piton

FPDF

Sin categorizar

Random

Microsoft Dynamics CRM

CRM's

Content Writing

HTML

SQL

C++

Assume the existence of a File class with boolean data member, isValid, indicating the file is ready for I/O. Write a unary operator, !, that accepts a constant File reference, and returns true if the file is not ready for I/O and false otherwise.