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Logical Operators (Java and C# Cross Reference Guide)

By Mike Prestwood

Java versus C#: A side by side comparison between Java and C#.

 
Operators
 

A language symbol used for assignment, comparison, computational, or as a logical.

Logical Operators

[Other Languages] 

Languages Focus

Logical operators perform conditional and, or, and not operations. Some languages support both binary logical operators that link two and unary logical operators negate (make opposite) the truth value of its argument. Finally, some languages short circuit logic. For example, with this or that, if this is an expression returning true, then that is never executed.

Java: 

Java logical operators:

&& and, as in this and that
|| or, as in this or that
! Not, as in Not This
& boolean logical OR (not short circuited)
| boolean logical OR (not short circuited)
?: Ternary (short for if-then-else)
~ Unary bitwise complement
<< Signed left shift
>> Signed right shift
>>> Unsigned right shift
^ Bitwise exclusiv OR

Syntax Example:
//Given expressions a, b, c, and d:
if !((a && b) && (c || d)) {
  //Do something.
}
C#: 

Same as C++ and Java. C# logical operators:

& and, as in this and that No Short Circuit
&& and, as in this and that short circuits
| or, as in this or that No Short Circuit
|| or, as in this or that short circuits
! Not, as in Not This
^ either or, as in this or that but not both

Syntax Example:
//Given expressions a, b, c, and d:
if !((a && b) && (c || d)) 
{
  //Do something.
}












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