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[[Image:Java keywords highlighted.png|thumb|A snippet of Java code with keywords highlighted in blue and bold font]]
In the [[Java (programming language)|Java programming language]], a '''keyword''' is one of 50 [[reserved word]]s which have a predefined meaning in the language; because of this, programmers cannot use keywords as names for [[variable#Computer programming|variables]], [[method (computer science)|methods]], [[class (computer science)|classes]], or as any other [[identifier]].<ref name="keywords">{{cite web |title=Java Language Keywords |url=http://java.sun.com/docs/books/tutorial/java/nutsandbolts/_keywords.html |work=The Java Tutorials |publisher=[[Sun Microsystems, Inc.]] |year=2008 |month=February |accessdate=2008-12-02}}</ref> Due to their special functions in the language, most [[integrated development environment]]s for Java use [[syntax highlighting]] to display keywords in a different color for easy identification.{{fact}}
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