![ascii null nedit ascii null nedit](https://3.bp.blogspot.com/-bQo24-t_DOs/VGCT1nMG-HI/AAAAAAAABng/t9Ocn2ZXIUE/s1600/nuget-dapper-install.jpg)
![ascii null nedit ascii null nedit](https://www.codegrepper.com/codeimages/octokit-oauth2.png)
Note also that by contract, it also has this special property (from ):įor any non- null reference value x, x.equals(null) should return false. In Java, null = null (this isn't always the case in other languages). In practice, the programmer can ignore the null type and just pretend that null is merely a special literal that can be of any reference type.Īs the JLS quote above says, in practice you can simply pretend that it's "merely a special literal that can be of any reference type". The null reference can always be cast to any reference type. The null reference is the only possible value of an expression of null type.
![ascii null nedit ascii null nedit](https://s2.studylib.net/store/data/013453726_1-7a14afa7605ca551d305bfc0b2ce51e3-768x994.png)
Because the null type has no name, it is impossible to declare a variable of the null type or to cast to the null type.
![ascii null nedit ascii null nedit](https://distrowatch.com/images/ktyxqzobhgijab/devuan.png)
There is also a special null type, the type of the expression null, which has no name. What set does 'null' belong to? JLS 4.1 The Kinds of Types and Values This means that for any type E and R, for any E o, where o = null, o instanceof R is always false. RelationalExpression instanceof ReferenceTypeĪt run time, the result of the instanceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. 15.20.2 Type Comparison Operator instanceof RelationalExpression:
#ASCII NULL NEDIT UPDATE#
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