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Core java - Interview Questions and Answers for 'Maverick' - 2 question(s) found - Order By Newest

Frequently asked.
  Q1. What is an Iterator?Core Java
Anonymous
Ans. Iterator is an interface that provides methods to iterate over any Collection.

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   Like      Discuss      Correct / Improve     java   collections   iterator     Magic Software  Maverick Software  Wipro  IBM  HCL Technologies  Tata Consultancy (TCS)  Cognizant (CTS)  Wipro  Accenture  American Express      basic        frequent


Related Questions

  What are few iterator classes provided by Java ?
 What are fail-fast Iterators ?
 Is Iterator a class ?
 How Spliterator in Java 8 different than iterator ?
 Which is better in terms of performance - Iterator or Spliterator ?
 What are the cursors available in Java ?
 What is the difference between Enumeration and Iterator ?
 Why iterators of an array list are fail fast ?
 How can i split a linked list in two parts in java 8?


Must know at all levels. Among Top 10 frequently asked questions in Java. Very frequently asked to fresh graduates or less experienced professionals.
  Q2. What is Inheritance ?Core Java

Ans. Its a facility for code reuse and independent extension wherein a derived class inherits the properties of parent class.

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   Like      Discuss      Correct / Improve     inheritance  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  Infoview Technologies  Wipro  Paragyte      basic        frequent


Related Questions

  Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?
 What are different types of classes ?
  What is a stream and what are the types of Streams and classes of the Streams?
  Differences between abstract class and interface ?
 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 is the difference between the following two code lines ?

1. new OuterClass().new InnerClass();

2. new OuterClass.InnerClass();
  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 ?




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