Why Write Code on Paper?

School is about to start up for students all over the United States. And for those that are taking a computer science course for the first time, they’ll learn that it’s not always just typing code into a computer. So why do we write code on paper? Many teachers and professors have their students write […]

Find Nth Occurrence

The third question on the 2017 AP Computer Science Exam had you go through a phrase and replace the Nth occurrence of a string and find the last occurrence. For both of these you were required to use a method called findNthOccurrence , which did not have an implementation shown. Like many AP FRQs you […]