Collection example in java
[PDF File]Java's Collection Framework - University of Arizona
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3 Outline ! Java's Collection Framework — Unified architecture for representing and manipulating collections ! Collection framework contains — Interfaces (ADTs): specification not implementation — Concrete implementations as classes — Polymorphic Algorithms to search, sort, find, shuffle, ...! Algorithms are polymorphic:
[PDF File]Collections in Java - Aalborg Universitet
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OOP: Collections 5 Collection Interfaces • Collections are primarily defined through a set of interfaces. n Supported by a set of classes that implement the interfaces • Interfaces are used of flexibility reasons n Programs that uses an interface is not tightened to a specific implementation of a collection. n It is easy to change or replace the underlying collection class with
[PDF File]Java Collection Framework
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The hashCode() contract • The hashCode() method must consistently return the same int, if no information used in equals() comparisons on the object is modified. • …
[PDF File]Java Collections -- List Set Map - Stanford University
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boolean addAll(Collection coll)-- adds to the receiver collection all of the elements in the given collection (returns true if changed). boolean retainAll(Collection coll)-- retains in the receiver collection only the elements which also appear in the given collection. In other words, removes all the elements which are not in the given collection.
[PDF File]Lecture 4. The Java Collections Framework - York University
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The Java Collections Framework • We will consider the Java Collections Framework as a good example of how to apply the principles of object-oriented software engineering (see Lecture 1) to the design of classical data structures.
[PDF File]The Java Collections Framework - Computer Science
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The Java Collections Framework Definition Set of interfaces, abstract and concrete classes that define common abstract data types in Java • e.g. list, stack, queue, set, map Part of the java.util package Implementation Extensive use of generic types, hash codes (Object.hashCode()) , and Comparable interface (compareTo(), e.g. for sorting)
[PDF File]JJAAVVAA CCOOLLLLEECCTTIIOONNSS …
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The Java collections framework gives the programmer access to prepackaged data structures as well as to algorithms for manipulating them. A collection is an object that can hold references to other objects. The collection interfaces declare the operations that can be performed on each type of collection.
[PDF File]Principles of Software Construction: Objects, Design and ...
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Principles of Software Construction: Objects, Design and Concurrency Java Collections Jonathan Aldrich Charlie Garrod 15-214 . ... The java.util.Collection<E> interface boolean add(E e);! ... an example public class Integer implements Comparable<Integer> {!
[PDF File]Java Collections Framework -state.edu
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Java Collections Framework (JCF) is a group of interfaces and classes similar to the OSU CSE components – The similarities will become clearly evident from examples – See Java libraries package java.util • There are some important differences, too, however, …
[PDF File]Generic Types and the Java Collections Framework
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2 Generic Types When using a collection (e.g., LinkedList, HashSet, HashMap), we generally have a single type T of elements that we store in it (e.g., Integer, String) Before Java 5, when extracting an
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