Post For Programmers... As... People are generally finding books on programming, well... Starting With A Easy Programming Language Is Easy... You can start with C++, C, Batch, Cobol, Java and many more.. I have good knowledge of C++... If you are thinking Web Developing then there are many languages... For example: HTML (very common), XHTML (eXtensible Hyper Text Markup Language), WML, Xml... I have good knowledge of XHTML and WML... Generally! Today! I am only going to tell you about C++ & XHTML... C++ Programming Language was developed at AT&T Laboratories and I am not sure but in early 1980s by Bjarne Stroustrup (inspired me)... Simula 67 (made by Bjarne) is one of the earliest oriented languages but some of the features are added from Simula 67 to C++... The name C++ (pronounced C plus plus) was coined by Rick Mascitti where "++" is the C increment operator... C++ Character Set: Character set is a set of valid characters that a language can recognise or understand (keep in mind)... A character represents any letter, digit or any other sign... The C++ has the following Character set: Letters: A-Z, a-z Digits: 0-9 Special Symbols: + - * / ^ and many more... White Spaces: Blank space, Horizontal tab ( -> ), Carriage Return, Newline, Form Feed... Other Characters: C++ can process any of the 256 ASCII characters as data or as literals... Tokens (Lexical Units): In a passage of text, individual words and punctuation marks are called tokens or lexical units / lexical elements... If you are finding an accurate defination then it is the smallest individual unit in a program is known as a Tokens or a lexical unit... C++ has the following tokens (very important): . Keywords . Identifiers . Literals . Punctuators . Operators (if you have any problem, then you can ask it)... As, keywords and identifiers are easy but Literals not... Literals (also known as Constants) are data items that never change their value during a program run.. C++ allow several kind of literals: 1. Integer-constant 2. Character-constant 3. Floating-constant 4. String-literal C++ allows 3 types of Integer Constants: 1. Decimal (base 10) 2. Octal (base 8) 3. Hexadecimal (base 16) Escape Sequence are also in C++ as in Character Constant... As... An escape sequence represents a single character and hence consumes one byte in ASCII representation... Floating constants are also called Real Constants... I am going to tell you some of the valid real constants in exponent form: 152E05, 1.52E07, 0.152E08, 152E+8...etc Like 172.E5 is invalid real constant in exponent form because... You can say..at least a digit must follow the decimal point... Multiple Character constants are treated as string-literals... And other Tokens are also simple..you can ask it... There are too much things in C++ like Unary Operators, Binary Operators.... And much more... How to write a program? And I/0 Library, Output/Input Operator, Cascading of I/0, Typing and executing Programs, extensions, Compiler will be told if asked... Special Thanks For Ezio... Asked by him... Hoping Your Targets.. Gaurav
Posted on: Sat, 15 Jun 2013 14:47:48 +0000
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