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Quick Quiz on Recursion with Strings!

Assess your grasp of recursive techniques applied to string problems through this quick quiz. Strengthen your ability to solve coding interview questions using recursion before moving to arrays.

We'll cover the following...
Technical Quiz
1.

The task is to reverse the string provided.

public static String reverseString(String myStr) {
  // Base case
  if (myStr.isEmpty()) {
    return myStr;
  }

  // Recursive case
  else {
    return reverseString(myStr.substring(1)) + myStr.charAt(0);
  }
}

What should the base case of the above mentioned code be?

A.

myStr == null

B.

myStr.isEmpty()

C.

myStr.length < 1


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