Arrays and Loops in C#

Arrays hold many values of the same type under one name, and loops repeat work for each of them. You will create and read arrays, then loop with while, do-while, for, and foreach.

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Arrays in C#

  1. Introduction to Arrays (Novice): An array keeps many values of the same type together in one fixed-size container, like eggs in a carton.
  2. Array Basics (Novice): Create C# arrays, read and change their elements by index starting at 0, and use Length to find the last one.

Looping in C#

  1. While Loop (Novice): Repeat a block of code for as long as a condition stays true with C#'s while loop, and make sure the loop can end.
  2. Do-While Loop (Apprentice): Run a block of code at least once, then repeat it while a condition is true, with C#'s do-while loop.
  3. For Loop (Novice): Count through a range of numbers, or through an array's indexes forward, backward or in steps, with C#'s for loop.
  4. Foreach Loop (Apprentice): Visit every element of an array without an index using C#'s foreach loop, and leave a loop early with break or skip ahead with continue.

Exercise: Arrays and Loops

  1. Exercise: Arrays and Loops (Apprentice): Solve 17 problems with arrays and loops (filling, searching, totaling, finding the highest and lowest, reversing) and check each with tests.