Answered: What value does the char.ToLower…

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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Question

What value does the char.ToLower function return if the argument is
already lowercase?

Expert Solution

Step 1

char.ToLower(ch):

The method "ToLower" of char class takes argument of type char.
The argument "ch" is a character.
The method returns the lowercase equivalent of "ch".
The general syntax of the method ToLower of char type is as follows:

char.ToLower (‘A’);

Step 2

Case 1:

The statement that calls the char.ToLower method, passes a char variable named uppercase as an argument, and stores the result in a char variable named lowercase is as follows:

//declare a variable uppercase of type char

char uppercase ='A';

//convert uppercase char to lowercase char

char lowercase = char.ToLower (uppercase);

For the above code snippet, the lowercase variable will store value as ‘a’.

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