7. == and != The comparison and not equal to operators are allowed with null in Java . This can made useful in checking of null with objects in java.
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According to the Java spec, null is a type that can be assigned to an object variable (as a value as noted in the comment). You cannot instantiate or create variables of this type though, you must use the literal null provided by the compiler.
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Is null an Object in Java? No it’s not , and for those who wonder why such a question, there are languages where null is indeed an object like any, for example Ruby. In Scala, which is very meticulous about types, there is a type Null (a trait, actually) having a single instance null .
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Java isNull method with Examples
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isNull() The javaLib. isNull() system function returns a value (1 for true, 0 for false) to indicate whether a specified identifier in the EGL Java™ object space refers to a null object . For more about the EGL Java object space in which javaLib.
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