|| : Java Glossary

2008-01-09 by Roedy Green ©1996-2009 Canadian Mind Products
index page for letter ⇒ punctuation 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (all)

||

Performs a short-circuit logical or, on two booleans. || is sometimes called the short circuit ‘or’ operator or the McCarthy ‘or’ operator. John McCarthy was one of the LISP pioneers. The | character is created by hitting shift-\. Sometimes it is displayed with a break, sometimes not. It can be hard to tell apart from Il1! in some fonts.

false || false → false
false || true → true
true || false → true
true || true → true

&
&&
binary
bit
boolean
|

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