Iteration in Programming
Which data structure is most suitable for storing unique words read from a large document while optimizing for fast membership checking?
When desiring both the capability of random access and preservation of natural order in a list of strings, which collection type provides the best balance of these requirements?
When initializing a String object in Java, which constructor creates an empty string?
Given a non-empty string str, which function call finds its longest mirror-like substring from both ends, assuming an efficient recursive solution?
If you want to compare two strings s1 and s2 for equality, which method should you use?
Which loop correctly finds and prints all substrings of length three from a non-empty String variable named 'text'?
How does the "Reversing a String" algorithm work?
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Which approach would be less efficient for concatenating n strings stored in an array when considering time complexity?
How does the "Check for a Substring" algorithm determine if a substring exists in a string?
How do you find the character at index 2 in a string named str?