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:

Produces At

The specific point or condition under which production occurs, focusing on the level of output and the resources used.

Low Cost

Refers to products or services that are offered at a minimal financial expense, making them accessible to a wider range of consumers.

Comparative Advantage

The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than another.

Competitive World Market

A global economic environment where businesses compete across borders to offer the best products and services.