Sponsored Links

Interview Questions
Recommended Books












INTERVIEW QUESTIONS J2EE JAVA DETAILS
Question :

What do mean by polymorphism, inheritance, encapsulation?

Category Java Interview Questions
Rating (4.0) By 5 users
Added on 10/13/2009
Views 1665
Rate it!

Highly Recommended, Hand Picked Java Books



Question :

What do mean by polymorphism, inheritance, encapsulation?


Answer:

Polymorhism: is a feature of OOPl that at run time depending upon the type of object the appropriate method is called.

Inheritance: is a feature of OOPL that represents the "is a" relationship between different objects(classes). Say in real life a manager is a employee. So in OOPL manger
class is inherited from the employee class.

Encapsulation: is a feature of OOPL that is used to hide the information.
Source: CoolInterview.com



Polymorhism: is a feature of one name multiple form.


Inheritance: is a feature of drving sub class from super class.


Encapsulation : is a feature of wrapping the data and function into single unit.



Source: CoolInterview.com



Posted by: Aravind

Contact Aravind Contact Aravind

Polymorphism: "Poly" means "Many", "morph" means "Form", is that "ability to take more than one form". One method for different operations.

Interitance: Acquiring the properties and behivour parent class to child class.

Encapsutaion: wrapping of data and methods into single unit.
Source: CoolInterview.com



Posted by: Raghavendra,V

Contact Raghavendra,V Contact Raghavendra,V

If you have the better answer, then send it to us. We will display your answer after the approval.
Rules to Post Answers in CoolInterview.com:-
  • There should not be any Spelling Mistakes.
  • There should not be any Gramatical Errors.
  • Answers must not contain any bad words.
  • Answers should not be the repeat of same answer, already approved.
  • Answer should be complete in itself.
Name :*
Email Id :*
Answer :*
Verification Code Code Image - Please contact webmaster if you have problems seeing this image code Not readable? Load New Code
Process Verification Enter the above shown code: *
Inform me about updated answers to this question

Related Questions
View Answer
What do you mean by static methods?
View Answer
What do you mean by virtual methods?
View Answer
Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3
and at freshman level.
View Answer
What are the disadvantages of using threads?
View Answer
Write the Java code to declare any constant (say gravitational constant) and to get its value.
View Answer
What do you mean by multiple inheritance in C++ ?
View Answer
Can you write Java code for declaration of multiple inheritance in Java ?
View Answer
What are the Object and Class classes used for?
View Answer
What is Serialization and deserialization?
View Answer
What interface must an object implement before it can be written to a stream as an object?
View Answer
What is the ResourceBundle class?
View Answer
What class allows you to read objects directly from a stream?
View Answer
How are this() and super() used with constructors?
View Answer
How is it possible for two String objects with identical values not to be equal under the == operator?
View Answer
How does multithreading take place on a computer with a single CPU?
View Answer
What restrictions are placed on method overloading?
View Answer
What restrictions are placed on method overriding?
View Answer
What happens when a thread cannot acquire a lock on an object?
View Answer
What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?
View Answer
What classes of exceptions may be caught by a catch clause?
View Answer

Please Note: We keep on updating better answers to this site. In case you are looking for Jobs, Pls Click Here Vyoms.com - Best Freshers & Experienced Jobs Website.

View ALL Java Interview Questions & Answers



User Options
India News Network

Latest 20 Questions
What are the Hadoop related Projects at Apache?
What are the modules included in Apache Hadoop Project?
What is Apache Hadoop?
What is a Private Cloud? Do we need one to handle Big Data?
How Can We Cope with the Impact of Big Data?
What skills do Big Data analysts need to have?
What does a Big Data analyst do?
What are some real-world examples of Big Data and how it is used?
What is Big Data Analytics?
Why Big Data is becoming so important?
What is the impact of Big Data on Sports Industry?
What is the impact of Big Data on Real estate Industry?
What is the impact of Big Data on Retail Banking Industry?
What is the impact of Big Data on Retail Industry?
What is the impact of Big Data on Technology Industry?
What is the impact of Big Data on Information Technology Industry?
What is the impact of Big Data on Internet of Things (IoT) Industry?
What is the impact of Big Data on Media Industry?
What is the impact of Big Data on Education Industry?
What is the impact of Big Data on Healthcare Industry?



Fresher Jobs | Experienced Jobs | Government Jobs | Walkin Jobs | Company Profiles | Interview Questions | Placement Papers | Companies In India | Consultants In India | Colleges In India | Exams In India | Latest Results | Notifications In India | Call Centers In India | Training Institutes In India | Job Communities In India | Courses In India | Jobs by Keyskills | Jobs by Functional Areas

Testing Articles | Testing Books | Testing Certifications | Testing FAQs | Testing Downloads | Testing Interview Questions | Testing Jobs | Testing Training Institutes

Gate Articles | Gate Books | Gate Colleges | Gate Downloads | Gate Faqs | Gate Jobs | Gate News | Gate Sample Papers | Gate Training Institutes

MBA Articles | MBA Books | MBA Case Studies | MBA Business Schools | MBA Current Affairs | MBA Downloads | MBA Events | MBA Notifications | MBA FAQs | MBA Jobs
MBA Job Consultants | MBA News | MBA Results | MBA Courses | MBA Sample Papers | MBA Interview Questions | MBA Training Institutes

GRE Articles | GRE Books | GRE Colleges | GRE Downloads | GRE Events | GRE FAQs | GRE News | GRE Training Institutes | GRE Sample Papers

IAS Articles | IAS Books | IAS Current Affairs | IAS Downloads | IAS Events | IAS FAQs | IAS News | IAS Notifications | IAS UPSC Jobs | IAS Previous Question Papers
IAS Results | IAS Sample Papers | IAS Interview Questions | IAS Training Institutes | IAS Toppers Interview

SAP Articles | SAP Books | SAP Certifications | SAP Companies | SAP Study Materials | SAP Events | SAP FAQs | SAP Jobs | SAP Job Consultants
SAP Links | SAP News | SAP Sample Papers | SAP Interview Questions | SAP Training Institutes |




Copyright ©2003-2016 CoolInterview.com, All Rights Reserved.
Privacy Policy | Terms and Conditions



Cache = 0.500977 Seconds