Is object null 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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Is null or empty?

In C#, IsNullOrEmpty() is a string method. It is used to check whether the specified string is null or an Empty string. A string will be null if it has not been assigned a value . A string will be empty if it is assigned “” or String.

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