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| Core java - Interview Questions and Answers for 'Pwc' - 2 question(s) found - Order By Newest | ||||
 Very Frequently asked to fresh graduates and less experienced. Favorite question in Walk in drives. Frequently asked in Indian Services companies. | ||||
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| Ans. Overloading - Similar Signature but different definition , like function overloading. Overriding - Overriding the Definition of base class in the derived class. | ||||
 Sample Code for overloading Sample Code for overriding | ||||
| Help us improve. Please let us know the company, where you were asked this question : | ||||
 Discuss Correct / Improve  java oops overloading overriding oops concepts basic interview question overloading vs overriding  Asked in 86 Companies  basic  frequent | ||||
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 Related Questions | ||||
 What are the difference between composition and inheritance in Java? | ||||
| Explain OOPs or Explain OOPs Principles or Explain OOPs Concepts or Explain OOPs features or Tell me something about OOPs | ||||
| What is the difference between Encapsulation and Abstraction? | ||||
| What are points to consider in terms of access modifier when we are overriding any method? | ||||
| What is Polymorphism in Java ? | ||||
| Can you give a real world example of Encapsulation and Abstraction ? | ||||
| Why every object constructor automatically call super() in Object before its own constructors? | ||||
| How compiler handles the exceptions in overriding ? | ||||
| Difference between Composition and Inheritance ? | ||||
| Frequently asked. Favorite question in Walk in Drive of many Indian service companies. | ||||
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| Ans. clone() - Creates and returns a copy of this object. equals() - Indicates whether some other object is "equal to" this one. finalize() - Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. getClass() - Returns the runtime class of an object. hashCode() - Returns a hash code value for the object. toString() - Returns a string representation of the object. notify(), notifyAll(), and wait() - Play a part in synchronizing the activities of independently running threads in a program. | ||||
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| Discuss Correct / Improve java oops object class Asked in 16 Companies basic frequent | ||||
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| Related Questions | ||||
| Difference between == and .equals() ? | ||||
| Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object? | ||||
| What is the use of Object class ? | ||||
| Can we override wait() or notify() methods? | ||||
| How you can check Object is created or not in case of Singleton using Object class method ? | ||||
| Why wait(), notify(), notifyAll() methods are in Object class instead of Thread class? | ||||
