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Introduction to C++ - C++ program: Points to Remember | 11th Computer Science : Chapter 9 : Introduction to C++

Chapter: 11th Computer Science : Chapter 9 : Introduction to C++

C++ program: Points to Remember

Computer Science : Introduction to C++ : C++ program: Points to Remember

Points to Remember:

 

• C++ was developed by Bjarne Stroustrup at AT & T Bell Labs during the year 1979.

 

• Character set is the set of characters which are allowed to write C++ programs.

 

• Individual elements are collectively called as Lexical units or Lexical elements or Tokens.

 

• Keywords are the reserved words that convey specific meaning to the C++ compiler.

 

• Identifiers are user-defined names given to different parts of the C++ program viz. variables, functions, arrays, classes etc.,

 

• Literals are data items whose values do not change during the execution of a program. Therefore, Literals are called as Constants.

 

• There are different kinds of literals used in C++ (Integer, Float, Character, String)

 

• The symbols which are used to do some mathematical, logical operations are called as “Operators”.

 

• Punctuators are symbols, which are used as delimiters in constructing C++ programs. They are also called as “Separators”.

 

• Extraction operator( >> ) and Insertion operator (<<) are used to get input and send output in C++.

 

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