Arrays & Strings

97 lessons in Data Structures, Algorithms

• Dictionary Membership Check BugCode Quiz
• Access Time Complexity: Arrays vs DictionariesQuiz
• Arrays, Hash Maps & Sets Trade-offsSlides / Video
• Arrays vs Hash Maps vs SetsFlashcard
• Arrays Stored in Contiguous MemorySlides / Video
• Iterating Over Characters in a StringSlides / Video
• Searching Within Strings and ArraysSlides / Video
• Common String OperationsSlides / Video
• String ImmutabilitySlides / Video
• String Indexing and Accessing CharactersSlides / Video
• Character Encoding Basics: ASCII and UnicodeSlides / Video
• Strings as Sequences of CharactersSlides / Video
• What Is a StringSlides / Video
• Multi-Dimensional ArraysSlides / Video
• Time Complexity of Array OperationsSlides / Video
• Traversing an Array with LoopsSlides / Video
• Strings as Character SequencesQuiz
• What Is a StringQuiz
• Searching an Array (Linear Scan)Quiz
• String ConcatenationQuiz
• Iterating Over a StringQuiz
• Accessing Array ElementsQuiz
• String LengthQuiz
• Array Length and BoundsQuiz
• Fixed-Size vs Resizable ArraysQuiz
• Array Indexing (Zero-Based)Quiz
• String ImmutabilityQuiz
• Inserting into an ArrayQuiz
• Common String OperationsQuiz
• Array Declaration and InitializationQuiz
• Deleting from an ArrayQuiz
• Updating Array ElementsQuiz
• Multidimensional ArraysQuiz
• Converting Between Strings and ArraysQuiz
• Out-of-Bounds ErrorsQuiz
• Traversing an ArrayQuiz
• Time Complexity of Array OperationsQuiz
• String Indexing and Character AccessQuiz
• Contiguous Memory Layout of ArraysQuiz
• What Is an ArrayQuiz
• Substrings and SlicingQuiz
• Comparing Strings for EqualityQuiz
• Deleting Elements from an ArraySlides / Video
• Inserting Elements into an ArraySlides / Video
• Accessing and Updating Array ElementsSlides / Video
• Concatenating StringsCode Quiz
• Getting a Character by IndexCode Quiz
• Summing Array ElementsCode Quiz
• Finding the Maximum ValueCode Quiz
• Zero-Based Loop StartCode Quiz
• Checking If an Element ExistsCode Quiz
• Reading the Array LengthCode Quiz
• Updating an Array ElementCode Quiz
• Reversing an ArrayCode Quiz
• Splitting a String into CharactersCode Quiz
• Looping Over CharactersCode Quiz
• Extracting a SubstringCode Quiz
• Looping Through an ArrayCode Quiz
• Measuring String LengthCode Quiz
• Comparing Two StringsCode Quiz
• Converting a String to UppercaseCode Quiz
• Trying to Change a CharacterCode Quiz
• Accessing the Last ElementCode Quiz
• Removing the Last ElementCode Quiz
• Accessing the First Array ElementCode Quiz
• Fixed-Size vs Dynamic ArraysSlides / Video
• Array Indexing and Zero-Based AccessSlides / Video
• String ImmutabilityFlashcard
• What is a StringFlashcard
• Deleting an ElementFlashcard
• SubstringsFlashcard
• Accessing Characters in a StringFlashcard
• Updating an ElementFlashcard
• Common String OperationsFlashcard
• Accessing an Element by IndexFlashcard
• String LengthFlashcard
• Advantages and Limitations of ArraysFlashcard
• Iterating Through a StringFlashcard
• Reversing a String or ArrayFlashcard
• Fixed-Size vs Dynamic ArraysFlashcard
• Time Complexity of Array OperationsFlashcard
• Finding Array LengthFlashcard
• Strings as Arrays of CharactersFlashcard
• Two-Dimensional Arrays (Matrices)Flashcard
• 1D vs Multi-Dimensional ArraysFlashcard
• String ComparisonFlashcard
• What is an ArrayFlashcard
• Character Encoding BasicsFlashcard
• Linear Search in ArrayFlashcard
• String ConcatenationFlashcard
• Traversing an ArrayFlashcard
• Array Indexing (Zero-Based)Flashcard
• Inserting an ElementFlashcard
• Contiguous Memory LayoutFlashcard
• What Is an ArraySlides / Video
• Common Use Cases for Arrays and StringsSlides / Video
• Arrays and Strings ConnectionSlides / Video