Web Reference: Jan 8, 2024 · null is a special type that has only one possible value. In other words, the set of possible values has only one element. This characteristic alone makes the null type very peculiar. Normally, the whole purpose of variables is that they can assume different values. Apr 25, 2010 · In Java (tm), "null" is not a keyword, but a special literal of the null type. It can be cast to any reference type, but not to any primitive type such as int or boolean. Aug 5, 2024 · In Java, null is a literal, a special constant you can point to whenever you wish to point to the absence of a value. It is neither an object nor a type (a common misconception some newcomers to the Java language grapple with).
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