What is the general meaning of Object in java?

Object is the root-super class of any object in Java. All objects extend this class by default, even if there is no extends-section in signature of class.

Everything in Java is an object.

Object is an ordinary class. It has number of useful methods like equals, hashCode, toString. If any new class require to use these methods or override them it must contain "extends Object" section in it's signature.

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Java Core. Basics

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1What is the general meaning of Object in java?
1. AObject is the root-super class of any object in Java. All objects extend this class by default, even if there is no extends-section in signature of class.
2. BEverything in Java is an object.
3. CObject is an ordinary class. It has number of useful methods like equals, hashCode, toString. If any new class require to use these methods or override them it must contain "extends Object" section in it's signature.
2List all methods in Object class which are allowed to be extended or overridden
1. AgetClass
2. BhashCode, equals
3. CtoString
4. Dclone
5. Efinalize
6. Fwait, notify, notifyAll
7. GgetMethods
8. HvalueOf
9. Isleep, notify, notifyAll
10. JequalsIgnoreCase

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Descrição: Questions about basics in Java Core
Autor: Gadget
Idioma: English
Visualizações: 397
Etiquetas: java core basics
Avaliação: 5,0 de 5 · 1 avaliação
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Java Core. Basics

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