C# 2.0. Practical Guide for Programmers by Michel de Champlain and Brian G. Patrick (Auth.)

By Michel de Champlain and Brian G. Patrick (Auth.)

You don't want coddling; you don't want to be informed what you know. What you wish is a publication that makes use of your event as a Java or C++ programmer to offer you a leg up into the demanding situations and rewards of C#. And this sensible advisor is exactly what you are after.

Written via a workforce that boasts broad event educating C# to execs, this publication presents a realistic, effective clarification of the language itself, overlaying simple to complex beneficial properties and calling out all that is new in 2.0. Its guide is usually firmly located in the context of the .NET framework and reinforced by way of code examples, key classes in object-oriented programming, and installments of a pragmatic software programming educational. Concise and incisive, this is often easy methods to grasp the world's fastest-growing and so much marketable programming language.

Features
* presents a delicately targeted clarification of each element of the C# language, together with complete chapters at the unified variety method, complex varieties, collections, generics, mirrored image and attributes.
* Highlights all positive factors new to the most recent model of C# and organizes its presentation of C# in accordance with the major rules of object-oriented programming and the .NET framework.
* utilizing end-of-chapter workouts, incrementally develops a cohesive program programming educational.
* contains an easy-to-use appendix at the grammatical ideas of C# and gives downloadable instance code through the significant other site.

* offers a delicately centred clarification of each element of the C# language, together with whole chapters at the unified sort method, complex kinds, collections, generics, mirrored image and attributes.
* Highlights all positive factors new to the newest model of C# and organizes its presentation of C# in accordance with the major ideas of object-oriented programming and the .NET framework.
* utilizing end-of-chapter routines, incrementally develops a cohesive program programming educational.
* comprises an easy-to-use appendix at the grammatical principles of C# and offers downloadable instance code through the spouse site

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Extra info for C# 2.0. Practical Guide for Programmers

Example text

A c o n s t r u c t o r with no p a r a m e t e r s is called a parameterless c o n s t r u c t o r . If no c o n s t r u c tor is p r o v i d e d with a p u b l i c or i n t e r n a l class t h e n a default c o n s t r u c t o r with p u b l i c a c c e s s is a u t o m a t i c a l l y g e n e r a t e d by the c o m p i l e r . This i m p l i c i t l y d e f i n e d c o n s t r u c t o r is p a r a m e t e r l e s s a n d initializes all i n s t a n c e d a t a m e m b e r s to t h e i r d e f a u l t v a l u e s as s h o w n by the e q u i v a l e n t Id c l a s s e s here: class Id { private int number; } class Id { public Id () { number = O; } private int number; } W h e t h e r a class is p u b l i c or i n t e r n a l , a n y explicitly d e f i n e d c o n s t r u c t o r w i t h o u t an a c c e s s m o d i f i e r is p r i v a t e as s h o w n by the e q u i v a l e n t Id classes: class Id { Id () { number = O; } private int number; } class Id { private Id () { number = O; } private int number; } In o n e i m p o r t a n t a p p l i c a t i o n , the w e l l - k n o w n d e s i g n p a t t e r n called the singleton u s e s the n o t i o n of a p r i v a t e c o n s t r u c t o r to e n s u r e t h a t o n l y o n e i n s t a n c e of a class is c r e a t e d .

The growing libraries of reusable code in Java and C# reflect the importance and e c o n o m y of building code from existing c o m p o n e n t s . Reusing code that has w e a t h e r e d extensive tes tin g gives rise to software p r o d u c t s that are more robust, maintainable, and reliable. In this section, we e xa mine two f u n d a m e n t a l ways, i n h e r i t a m r and a g g r e g a t i o n , that create classes from ones that a l r e a d y exist. To draw a c o m p a r i s o n b e t w e e n the two ways, a simple class called Counter is first defined.

2 1 4 7 4 8 3 6 4 7 0 .. 0 -9223372036854775808 .. 9 2 2 3 3 7 2 0 3 6 8 5 4 7 7 5 8 0 7 0 .. 3: Default and range for value types. 2 8 - 2 9 s i g n i f i c a n t d i g i t s . Unlike C/C++, all v a r i a b l e s d e c l a r e d as s i m p l e t y p e s h a v e g u a r a n t e e d d e f a u l t v a l u e s . 3. 2 Ic# 2ol NullableTypes A n u l l a b l e type is any value type that also includes the n u l l reference value. Not surprisingly, a nullable type is only applicable to value and not reference types.

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