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GeekInterview.com > Interview Questions > J2EE > Core Java
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Question: Array List Collections
Answer: What is Use of declaring an array list object like
List list = new ArrayList() rather than creating object like ArrayList arr = new ArrayList(); |
| June 06, 2008 05:35:11 |
#4 |
| manjot.kr |
Member Since: June 2008 Total Comments: 1 |
RE: Array List Collections
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List is an interface where as Arraylist is a class.
Arraylist implements all the methods in List...
So the arraylist's methods are invoked as the method body is present in Arralist |
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