Which package contains all classes and interference related to collection?
InterfacesAnother way to achieve abstraction in Java, is with interfaces. Show
An Example
To access the interface methods, the interface must be "implemented" (kinda like inherited) by another class with the Example
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Why And When To Use Interfaces?1) To achieve security - hide certain details and only show the important details of an object (interface). 2) Java does not support "multiple inheritance" (a class can only inherit from one superclass). However, it can be achieved with interfaces, because the class can implement multiple interfaces. Note: To implement multiple interfaces, separate them with a comma (see example below). Multiple InterfacesTo implement multiple interfaces, separate them with a comma: Example
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Which package contains all the collection classes and interfaces?The java.util package contains all the classes and interfaces for the Collection framework.
Which package contains all classes of collections?The java. util package contains the Collections class.
Which package is used for collection?Collection interface is defined in java. lang package and this interface is implemented by some classes in java. util package.
Which Java package contains collection?util Description. Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
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