Can you set an object to null in Java?

Java Check if Object Is Null Using java. One of the methods is isNull() , which returns a boolean value if the provided reference is null, otherwise it returns false .13 Ara 2020

It may however have 0 elements. And objects can’t be null .

Setting an object to null, clears the reference . If there is no longer any reference to that object, as in your first example, the memory can be freed, when the JVM runs the GC (Grarbage Collector) the next time.