c language lecture 3

... You could compile the class unchanged in C+ +/CLI with the following command line: cl /clr atom.cpp and it would be a valid C+ +/CLI program That’s because C+ +/CLI is a superset of C+ +, so any C+ + ... Friday, October 13, 2006 2:11 PM CHAPTER ■■■ Introducing C+ +/CLI T his chapter introduces the C+ +/CLI language extensions to C+ + and shows you the classic “Hello, World” example in C+ +/CLI You’ll ... requires compilers to make ISO C+ + code “just work”—no source code changes or extensions are needed to compile C+ + code to execute on CLI, or to make calls between code compiled “normally” and code compiled...

Ngày tải lên: 20/08/2012, 12:00

... representing a character of classes Mn or Mcdecimal-digitcharacter: A Unicode character of the class Nd A unicode-character-escape-sequence representing a character of the class Nd underscore-character: ... unicode-character-escape-sequence representing a character of classes Lu, Ll, Lt, Lm, Lo, or Nl combining-character: A Unicode character of classes Mn or Mc A unicode-character-escape-sequence ... identifier-part-character identifier-part-character: letter-character combining-character decimal-digit-character underscore-character letter-character: A Unicode character of classes Lu, Ll,...

Ngày tải lên: 14/11/2012, 17:18

... Pronounce these words by your self September November primary chemistry algebra engineer December October physical politics statistics volunteer careful cinema computing academic secondary entertain ... difficult 9…… calculations can be done very quickly on computers 10…… NOW, CHECK! A The world’s first electronic computer was built 1……… by the university of Pennsylvania in 1946 However, computers ... entertain NOW, CHECK ! Sep’tember No’vember ‘primary ‘chemistry ‘algebra ,engi’neer De’cember Oc’tober ‘physical ‘politics ‘optional ,volun’teer ‘careful ‘cinema com’puting ‘nursery ‘secondary enter’tain...

Ngày tải lên: 07/07/2013, 01:26

... .44 3. 3 Member access 44 3. 3.1 Declared accessibility 44 3. 3.2 Accessibility domains 45 3. 3 .3 Protected access 47 3. 3.4 Accessibility constraints ... or Nl combining-character: A Unicode character of classes Mn or Mc A unicode-character-escape-sequence representing a character of classes Mn or Mc decimal-digitcharacter: A Unicode character ... of the class Nd A unicode-character-escape-sequence representing a character of the class Nd underscore-character: A Unicode character of the class Pc A unicode-character-escape-sequence representing...

Ngày tải lên: 10/12/2013, 14:16

... (n -3) * more concretely, 5! (factorial of 5) would be: 5! = * * * * = 120 and a recursive function to calculate this in C+ + could be: // factorial calculator #include using namespace ... under which circumstances With the introduction of control structures we are going to have to introduce a new concept: the compoundstatement or block A block is a group of statements which are ... new-line character into cout In C+ + a new-line character can be specified as \n (backslash, n): cout

Ngày tải lên: 05/03/2014, 12:20

... 33 3 A.7 Stack allocation 33 6 A.8 Dynamic memory allocation 33 7 B Documentation comments 33 9 B.1 Introduction 33 9 B.2 Recommended ... public class Stack { public static Stack Clone(Stack s) { } public static Stack Flip(Stack s) { } public object Pop() { } public void Push(object o) { } public override string ToString() { } } class ... static fields: class Color { public static public static public static public static readonly readonly readonly readonly Color Color Color Color Red = new Color(0xFF, 0, 0); Blue = new Color(0,...

Ngày tải lên: 15/03/2014, 17:20

... the C# language 11 Contents Inheritance 100 Points 100 Persons 102 12 he class Object 109 13 Abstract classes 1 13 Abstract points 1 13 Loan 115 Interfaces 122 Points again 122 Money 1 23 Static members ... Introduction to programming and the C# language Part Part Introduction to C Introduction to C# A computer program is a family of commands executed in a speciic order that together solves a speciic ... programming and the C# language Basic program architecture Basic program architecture he above example shows in principle the overall architecture of a C# program which is a class that has a Main()...

Ngày tải lên: 18/03/2014, 02:20

... semantics 33 2 18 .3. 2 Inheritance 33 3 18 .3. 3 Assignment 33 3 18 .3. 4 Default values 33 3 18 .3. 5 Boxing and unboxing 33 4 18 .3. 6 ... 33 1 18.1.2 Struct interfaces 33 2 18.1 .3 Struct body 33 2 18.2 Struct members 33 2 18 .3 Class and struct differences 33 2 18 .3. 1 ... and collections CLI — Common Language Infrastructure CLS — Common Language Specification IEC — the International Electrotechnical Commission IEEE — the Institute of Electrical and Electronics...

Ngày tải lên: 31/03/2014, 10:21

... the three commands cc -c x .c cc -c y .c cc -c y .c would compile x .c, y .c, and z .c and create object files x.o, y.o, and z.o Then, the three object files could be linked together using cc -o myprog ... the Microsoft C compiler comes with a CL (``compile and link'') command, which works almost the same as Unix cc You can compile and link in one step: cl hello .c or you can compile only: cl /c hello .c ... numeric codes are performed.) Character codes are usually small the largest code value in ASCII is 126, which is the ~ (tilde or circumflex) character Characters usually fit in a byte, which is...

Ngày tải lên: 03/04/2014, 15:20

... Slide Dynamic type   dynamic myDynamicVar; Regardless of the value that myDynamicVar actually contains, this code will compile If the requested member does not exist, you will get an exception ... exception when this code is executed Example:  private dynamic TrungBinh(dynamic s1, dynamic s2) { return (s1 + s2) / 2; } private void button1_Click(object sender, EventArgs e) { dynamic tb = TrungBinh(2, ... to existing types without creating a new derived type, recompiling, or otherwise modifying the original type Syntax: public static class ExtensionClass { public static (...

Ngày tải lên: 13/05/2014, 11:30

... semicolon (;) 11 Basic concepts in C# (cont.) • Namespace (p.51) • Namespaces are used as a means of categorizing items • Within a namespace, you can declare: • • • • • • another namespace class ... class interface struct enum delegate • C# is case sensitive 12 Console Application (try it out p.18) • Basic Console Application structure using System; using System.Collections.Generic; using System.Linq; ... is C# ? • C# is one of the languages included in the NET Framework – C# is an object-oriented programming language • Applications you can write with C# – – – – Windows applications Web applications...

Ngày tải lên: 13/05/2014, 11:30

... representing a character of classes Mn or Mcdecimal-digitcharacter: A Unicode character of the class Nd A unicode-character-escape-sequence representing a character of the class Nd underscore-character: ... unicode-character-escape-sequence representing a character of classes Lu, Ll, Lt, Lm, Lo, or Nl combining-character: A Unicode character of classes Mn or Mc A unicode-character-escape-sequence ... identifier-part-character identifier-part-character: letter-character combining-character decimal-digit-character underscore-character letter-character: A Unicode character of classes Lu, Ll,...

Ngày tải lên: 18/06/2014, 16:20

... private declared accessibility Struct members cannot have protected or protected internal declared accessibility • Interface members implicitly have public declared accessibility No access modifiers ... location in which the access takes place is included in the accessibility domain ( 3. 3.2) of the member 46 Copyright  Microsoft Corporation 1999-2000 All Rights Reserved Chapter Basic concepts ... Chapter Basic concepts Basic concepts 3. 1 Declarations Declarations in a C# program define the constituent elements of the program C# programs are organized using namespaces (§9), which can contain...

Ngày tải lên: 18/06/2014, 16:20

... Explicit reference conversions • Explicit interface conversions • Unboxing conversions • User-defined explicit conversions Explicit conversions can occur in cast expressions (§7.6.8) The explicit ... described in §6.4 .3 6.2 Explicit conversions The following conversions are classified as explicit conversions: • All implicit conversions • Explicit numeric conversions • Explicit enumeration conversions ... integral type, the processing depends on the overflow checking context (§7.5. 13) in which the conversion takes place: • In a checked context, the conversion succeeds if the source argument is within...

Ngày tải lên: 18/06/2014, 16:20

... new Color( ); public Color Complement() { } } class A { public Color Color; // Field Color of type Color void F() { Color = Color.Black; Color = Color.Complement(); } } // References Color.Black ... ) 7.5. 13 checked and unchecked operators The checked and unchecked operators are used to control the overflow checking context for integral-type arithmetic operations and conversions checked-expression: ... overflow checking context 110 Copyright  Microsoft Corporation 1999-2000 All Rights Reserved Chapter Expressions The overflow checking context can also be controlled through the checked and unchecked...

Ngày tải lên: 18/06/2014, 16:20

... switch-block switch-block: { switch-sectionsopt } switch-sections: switch-section switch-sections switch-section switch-section: switch-labels statement-list switch-labels: switch-label switch-labels ... Local constant declarati ons A local-constant-declaration declares one or more local constants local-constant-declaration: const type constant-declarators constant-declarators: constant-declarator ... have thrown an exception, compile-time evaluation causes a compile-time error to occur Unless a constant expression is explicitly placed in an unchecked context, overflows that occur in integral-type...

Ngày tải lên: 18/06/2014, 16:20

... specific-catch-clauses: specific-catch-clause specific-catch-clauses specific-catch-clause specific-catch-clause: catch ( class-type identifieropt ) block general-catch-clause: catch block 154 Copyright ... try block catch-clauses try block finally-clause try block catch-clauses finally-clause catch-clauses: specific-catch-clauses general-catch-clauseopt specific-catch-clausesopt general-catch-clause ... considered a match A general catch clause is considered a match for any exception type If a matching catch clause is located: • If the matching catch clause declares an exception variable, the exception...

Ngày tải lên: 18/06/2014, 16:20