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Is null is a keyword in Java?
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No. null is not a keyword in Java.
No.It is not a keyword.
null is a literal, in the same sense that false, 10, and '\n' are literals. It's not a "keyword", technically, but it is a character string that is treated specially by the compiler if the compiler encounters it in a java source file.
So, no, you cannot name a variable "null". The lexical analyzer will decide that it is not an identifier.