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|Core java - Interview Questions and Answers for 'Paragyte' - 1 question(s) found - Order By Newest|
|Must know at all levels. Among Top 10 frequently asked questions in Java. Very frequently asked to fresh graduates or less experienced professionals.|
|Ans. Its a facility for code reuse and independent extension wherein a derived class inherits the properties of parent class. |
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve inheritance object oriented programming (oops) oops concepts oops concepts java concepts code reuse code re-use classes derived classes Maverick Software Infosys HCL Technologies Tata Consultancy (TCS) Cognizant (CTS) Myntra Capital One Barclays Accenture Accenture India Infoview Technologies Wipro Paragyte FIA-US basic   frequent|
|Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?|
|What are different types of classes ?|
|Differences between abstract class and interface ?|
| What is the difference between the following two code lines ?|
1. new OuterClass().new InnerClass();
2. new OuterClass.InnerClass();
|What is a stream and what are the types of Streams and classes of the Streams?|
| Which of the following can be marked static ?|
a. Methods , Variables and Initialization Blocks.
b. Methods , Variables , Initialization Blocks and Outer Classes and nested Classes.
c. Methods , Variables , Initialization Blocks and Outer Classes.
d. Methods , Variables , Initialization Blocks and nested Classes
|What are the different types of inner classes ?|
|What are the Wrapper classes available for primitive types ?|
|What are wrapper classes ?|
|What are the Disadvantages of using Collection Classes over Arrays ?|