'Object key' diaporamas de présentation

COURS DE PROGRAMMATION ORIENTEE OBJET :

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Chapter 5 User-Defined Classes

Chapter 5 User-Defined Classes. Outline. Parts of a Class Fields Methods Constructors The this keyword Organizing .java files in Packages Access Modifiers Static Fields and Methods The DrawingKit Class Documenting Programs The Java API Summary. Parts of a Class.

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Reflection & Generics in JDK1.5

Reflection & Generics in JDK1.5. ?? / J.J. Hou ???? / ???? / ???? jjhou@jjhou.com, http://www.jjhou.com. Generics. ????. Generics. ?JDK1.3?? Generics ????? ?? ????Java?JDK1.5?? ?? ?????? Java ?? Library ??????????????????????? JDK1.5 ????. Reflection. ????. Reflection.

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Introduction to Computation and Problem Solving

Introduction to Computation and Problem Solving. Class 28: Binary Search Trees. Prof. Steven R. Lerman and Dr. V. Judson Harward. Binary Search Trees

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Collections in Java

Collections in Java. Kinds of Collections. Collection --a group of objects, called elements Set-- An unordered collection with no duplicates SortedSet -- An ordered collection with no duplicates List-- an ordered collection, duplicates are allowed

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?? (Collection)

?? (Collection). ??? ?????? ?????? / ??????? / ???????????. Collection, Enumerator, Enumerable. List, ArrayList. ???? , ??????? , ?? Enumerator. IEnumerable. IEnumerator. IComparer. ICollection. IList. IDictionary. IComparable. IDictionaryEnumerator. System.Collection.

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Begreber og Redskaber 5

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Precise Memory Leak Detection for Java Software Using Container Profiling

Precise Memory Leak Detection for Java Software Using Container Profiling. Guoqing Xu and Atanas Rountev Ohio State University Supported by NSF under CAREER grant CCF-0546040. Java Memory Leak. Memory leaks still exist in Java !! Lost objects: unreachable but not freed

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Java Utility Classes

Java Utility Classes. CS 21b. Some Java Utility Classes. Vector Hashtable StringTokenizer * import java.util.*;. Vector. Indexed data structure that automatically resizes Selected Methods void addElement(Object o) int size() Object elementAt(int index)

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The Web is a Graph

URL. Access method. Server and domain. Path. Document. The Web is a Graph. http://www.wellesley.edu/Resources/about/wdoc.html. Directed Graph of Nodes and Arcs (directed edges) Nodes = web pages Arcs = hyperlinks from a page to another A graph can be explored A graph can be indexed.

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Collections Framework

Collections Framework. A collections framework is a unified architecture for representing and manipulating collections. All collections frameworks contain: Interfaces: abstract data types representing collections.

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Algorithm Programming 1 89-210 Some Topics in Compression

Algorithm Programming 1 89-210 Some Topics in Compression. Bar-Ilan University 2006-2007 ???"? by Moshe Fresko. Huffman Coding. Variable-length encoding Works on probabilities of symbols (characters, words, etc.) Build a tree Get two least frequent symbols/nodes

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Lecture 14

Lecture 14. Generic bean renderer & some more information on collections. public static Collection synchronizedCollection(Collection c); public static Set synchronizedSet(Set s); public static List synchronizedList(List list); public static Map synchronizedMap(Map m);

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POOL persistency: Status

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Sets and Maps

Sets and Maps. Ellen Walker CPSC 201 Data Structures Hiram College. Sets in the Collection Hierarchy. Set vs. List. A list is a sequence of items Order matters Traversal makes sense Duplicates are allowed in the list A set is a collection of items, without sequence

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Objektorienteret Middleware (OOMI)

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Hashing

Hashing. CS 105. Hashing - Introduction. In a dictionary, if it can be arranged such that the key is also the index to the array that stores the entries, searching and inserting items would be very fast Example: Empdata[1000], index = employee ID number

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MAPS

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Algorithm Programming 1 89-210 Exercise 2

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