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