INTERVIEW QUESTIONS J2EE SERVLET DETAILS

Question: What are the types of refrences available in java. How they work

Answer: Threre are two types of References available in Java.

1.Interface references.

2.Class references.

Interface references:The interface references are used to implement runtime polymorphism.

These references can be used to defer the implementation details until the runtime.This avoids inmemory overload and increases system performace.

Class Refereces:relationships between the objects of different classes can be implemented by using object references.An object of one type can refer to the object of another type by keeping the reference

Threre are two types of References available in Java.

1.Interface references.

2.Class references.

Interface references:The interface references are used to implement runtime polymorphism.

These references can be used to defer the implementation details until the runtime.This avoids inmemory overload and increases system performace.

Class Refereces:relationships between the objects of different classes can be implemented by using object references.An object of one type can refer to the object of another type by keeping the reference
Source: CoolInterview.com

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	Not readable? Load New Code
Enter the above shown code: *
	Inform me about updated answers to this question