Expression In C++

An expression is composed of one or more operations. The objects of the operations are referred to as operands. An expression in C++ is any valid combination of operators, constants, and variables.
Type of expressions
Arithmetic Expression
Arithmetic expression can either be integer expression or real expression, some times a mixed expression can also be formed with a mixture of real and integer expression.
Integer expression-
int a=10, b=3, c=4, d=213; . a+b, a*d etc
Real expression-
float x=1.20, y=23.63, z=23.23; . x+y, x*z etc.
Logical expression
The expression that result into 0 or 1 are called logical expression. The logical expression are the combination of constants, variable and logical and relational operator.
The following are the examples of valid logical expression:
. x>y, (-y), (x-y) etc.
C++ Escape Sequences
Escape sequences are character constants that are usually used to format text.
Here are the most common:
Common Escape Sequences
\a Bell
\b Backspace
\f Formfeed
\n New Line
\r Carriage Return
\t Horizontal Tab
\v Vertical Tab
\’ Single quote
\” Double quote
\\ Backslash
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