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Abbreviated Precedence Chart for C++ Operators

Module by: Kenneth Leroy Busbee. E-mail the author

Summary: An abbreviated precedence chart for C++ operators typically used in a modular structured programming fundamentals course.

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An operator is a language-specific syntactical token (one or more symbols) that causes an action to be taken on one or more operands. The following item provides an abbreviated list of those C++ operators that are typically taught in a programming fundamentals course that teaches modular structured programming concepts.

Operators between a set of lines have the same precedence and associativity.

OPERATOR NAME             SYMBOL(S)      COMMENTS        ASSOCIATIVITY

======================================================================

function call             ()                             Left to Right

array index               []

----------------------------------------------------------------------

postfix increment         ++             unary           Right to Left

postfix decrement         --             unary

----------------------------------------------------------------------

dereference               *              unary           Right to Left

address                   &              unary

unary positive            +              unary

unary minus               -              unary

prefix increment          ++             unary

prefix decrement          --             unary

cast                      (type)         unary

sizeof                    sizeof (type)  unary - compile time

logical NOT               !              unary

----------------------------------------------------------------------

multiply                  *                              Left to Right

divide                    /

modulus                   %              remainder

----------------------------------------------------------------------

add                       +                              Left to Right

subtract                  -

----------------------------------------------------------------------

insertion                 <<             writing         Left to Right

extraction                >>             reading

----------------------------------------------------------------------

less than                 <                              Left to Right

greater than              >

less than or equal to     <=

greater than or equal to  >=

----------------------------------------------------------------------

equality                  ==             equal to        Left to Right

non-equality              !=             not equal to

----------------------------------------------------------------------

logical AND               &&                             Left to Right

----------------------------------------------------------------------

logical OR                ||                             Left to Right

----------------------------------------------------------------------

conditional               ?   :          trinary         Left to Right

----------------------------------------------------------------------

assignment                =                              Right to Left

addition/assignment       +=

subtraction/assignment    -=

multiplication/assignment *=

division/assignment       /=

modulus/assignment        %=

----------------------------------------------------------------------

sequence (or comma)       ,                              Left to Right

----------------------------------------------------------------------

 

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