JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java Iterator Examples


Description:

All of the collection classes provides iterator() method to iterate through the collection. The iterator() method returns the Iterator object through which you can access the collection elements in an order. Enumeration also does the same purpose. The difference between Iterator and Enumerations is: Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics.

List Of Iterator Sample Programs:

  1. How to iterate through collection objects?
  2. How to remove an element from collection using Iterator object?
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Interface and its usage
Interface is similar to a class which may contain method's signature only but not bodies and it is a formal set of method and constant declarations that must be defined by the class that implements it. Interfaces are useful for declaring methods that one or more classes are expected to implement, capturing similarities between unrelated classes without forcing a class relationship and determining an object's programming interface without revealing the actual body of the class.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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