C Soup To Nuts: Arrays and Collections

1. C# Soup To Nuts: Arrays and Collections William J. Steele MSDN Developer Evangelist Microsoft Corporation http://blogs.msdn.com/wsteele

2. What We Will Cover Arrays Creating an array Array types Single-dimensional Two-dimensional Multidimensional Jagged Collection classes foreach statement Generic lists

3. Arrays Similar to other languages Zero-based [] After type (not name) Simple example (array of integers): int[] names;

4. Demonstration One Creating and Using Arrays

5. Countless Dimensions Single-dimensional type[] name; Two-dimensional type[,] name; Multidimensional type[,,�] name; Jagged (array of arrays) type[][] name;

6. Demonstration Two Multidimensional Arrays

7. Collection Classes System.Collections ArrayList and List Variable size arrays Always single-dimensional .Add method Advanced functionality Implements IList interface Sorting Comparing

8. Demonstration Three Collection Classes

9. Generic Collection Classes System.Collections.Generic Just like collections, except: Strongly typed Implements IList generic interface Sometimes faster Read as list of <Type> Example: List<int> = new List<int>();

10. Demonstration Four Generic Lists

11. Summary Arrays Creating an array Array types Single-dimensional Two-dimensional Multidimensional Jagged Collection classes foreach statement Generic lists

12. Next Week: Creating and Manipulating Strings Microsoft� Visual C#� .NET is the newest programming language from Microsoft. So far in this series, we've been exploring the basics of C# and Microsoft� Visual C# 2005 Express Edition. In this webcast, we will learn about strings, and we will see how to create and manipulate them using basic operators, in addition to the StringBuilder class.

13. Thank You! My contact information: William J. Steele wsteele@microsoft.com http://blogs.msdn.com/wsteele My manager is Melanie Brunner Send feedback to mbrunne@microsoft.com

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