Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and only if x is a upper-case letter.

Question

Issac Medina

Mathematics

5 June, 05:57

Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and only if x is a upper-case letter.

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Mireya Koch · Answer 1

bool b = isupper (x);

Step-by-step explanation:

I have written the expression for a char variable x. The isupper (x) will return true if the character x is upper case and false if the character x is lower case.

I have stored the returned value to a bool variable b. So the value of variable b will be true only when the x is in uppercase and false when b is lower case.