Is object null in Java?

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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What is isNull in Java?

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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