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
Read moreWhat method does Object class have?
The Object class provides a callback method, finalize() , that may be invoked on an object when it becomes garbage. Object ‘s implementation of finalize() does nothing—you can override finalize() to do cleanup, such as freeing resources.
Read moreWhat is Super most class?
January 18, 2017 Anurag. Object class is the parent class of all the classes in the Java. It is the topmost class; every class implicitly extends this class and provides the methods of Object class.
Read moreWhich is default super class in Java?
The default superclass is Object (more precisely java. lang. Object ). If a class does not define a direct superclass explicitly (via extends ), then Object is implicitly a superclass of that class.
Read moreWhat are the built in classes in Java?
In Java, all classes (built-in or user-defined) are (implicitly) subclasses of Object . Using an array of Object in the List class allows any kind of Object (an instance of any class) to be stored in the list. However, primitive types (int, char, etc) cannot be stored in the list.
Read moreWhat are built in methods in Java?
In Java, predefined methods are the method that is already defined in the Java class libraries is known as predefined methods. It is also known as the standard library method or built-in method. We can directly use these methods just by calling them in the program at any point.
Read moreWhat is built in packages in Java?
Packages in java are used to avoid naming conflict and to control the access of class, interface, sub-classes, etc . A package can be defined as a group of similar types of classes, sub-classes, interfaces or enumerations, etc.
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