The Following Code Containing a Loop Attempts to Find How

question 22

Essay

The following code containing a loop attempts to find how many times the letter 'r' appears in a string.But something is wrong with the loop.How would you fix it?
String s = "railroad";
int count = 0;
char letter = s.charAt(index);
for (int index = 0;index < s.length();++index)
if (letter == 'r')
++count;

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Definitions:

Historical Linguistics

The study of how languages change over time, including their sounds, grammar, and vocabulary.

Anthropological Linguistics

A field of study that explores the relationship between language and cultural behaviors across different societies.

Prehistoric

Pertaining to the time or period before recorded or written history.

Linguistic Anthropologists

Researchers who study the intricate connections between language, culture, and how humans communicate within their social environments.