What are methods in object class?

Methods of Object class MethodDescriptionpublic int hashCode()returns the hashcode number for this object.public boolean equals(Object obj)compares the given object to this object.protected Object clone() throws CloneNotSupportedExceptioncreates and returns the exact copy (clone) of this object.Java Object Class – Javatpoint www.javatpoint.com › object-class

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What is the difference between object and class?

It is a user-defined data type, that holds its own data members and member functions, which can be accessed and used by creating an instance of that class. It is the blueprint of any object. … Difference between Class and Object. S. No.ClassObject1Class is used as a template for declaring and creating the objects.An object is an instance of a class.Difference between Class and Object – GeeksforGeeks www.geeksforgeeks.org › difference-between-class-and-object

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What is objects :: nonNull?

The nonNull method is a static method of the Objects class in Java that checks whether the input object reference supplied to it is non-null or not . If the passed object is non-null, then the method returns true. If the passed object is null , then the method returns false.

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