Introduction to C#
1.Overview
2.Types
3.Expressions
4.Declarations
5.Statements
6.Classes and Structs
7.Inheritance
8.Interfaces
9.Delegates
10.Exceptions
11.Namespaces and Assemblies
12.Attributes
13.Threads
14.XML Comments
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Class System.String
Can be used as standard type string
string s = “Alfonso”;
Note
.Strings are immutable (use StringBuilderif you want to modify strings)
.Can be concatenated with +: “Don ” + s
.Can be indexed: s[i]
.String length: s.Length
.Strings are reference types => reference semantics in assignments
.but their values can be compared with ==and !=: if (s == “Alfonso”) …
.Class Stringdefines many useful operations: CompareTo, IndexOf, StartsWith, Substring, …
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Tags: basic language, data types, delegates, exception handling, expression, inheritance, interface, Object Oriented, polymorphism, threads, xml string
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