collection interface

first, set collection1. Introduction to the collectionVariable: Represents a space in memory that can only hold individual data of a certain typeArray: represents multiple contiguous spaces in memory that can store multiple data of the same

ConceptA collection can be understood as a dynamic array of objects, but the contents of objects in a collection can be arbitrarily expanded. Java's most basic Collection interface: Collection interfaceFeatures of the collectionHigh performanceEasy

Collection Class description and differencesCollection├list│├linkedlist│├arraylist│└vector│└stack└setMap├hashtable├hashmap└weakhashmapCollection interfaceCollection is the most basic set interface, and a collection represents a set of object, the

In Java, these things are more commonly used, although I do not use much, it is because of the use of a few, so I have been confused about their specific usage and the relationship between each other, now special as a single thing to summarize.This

First Lecture: System overviewI. Overview1. Function: Container for storing objects2, features: Only for storing objects, set length variable, set can store different types of objects;3, and the difference between the array: Although the data can

First, CollectionThe Collection interface is used to represent any object or group of elements. This interface is used when you want to handle a set of elements in the usual way possible. As you can see in the big picture above, Collection is the

Five, List interface.A great feature of the list is the ability to manipulate the angle mark.The following is an introduction to the more specific method in the list interface relative to the collection interface. The methods already described in

Read some of the so-called large companies of the Java interview problem, found that the use of the Java Collection class is more important, and in this respect really is really very little, take the time to learn to learn it.Java.util package

 Lin Bingwen Evankaka Original works. Reprint please specify the source Http://blog.csdn.net/evankakaThis article will mainly explain the use of the collection in Java and the difference, mainly on the list, Set, map of the principle, the use of

Java provides several ways to hold objects, including the built-in array of languages, and the container Class (container classes) provided in utilities, also known as the Cluster Class (collection classes). The collection is very important in Java,

First, a container API framework diagram, all of the knowledge that we have learned in Java is based on this graph to learn ....Container API:1, Collection interface------defines a method for storing a set of objects, and its sub-interface set and

Transferred from: http://blog.csdn.net/wuchuanpingstone/article/details/6678653Personal advice: The following article is an example of the way to explain ArrayList, LinkedList, but the best way is to look at the source code. In fact, ArrayList is a

Remember the first time you heard the container in Java was a brother Siang, and it was very mysterious. Then let's uncover the veil of mystery today. first, what is a container? When writing a program, we often need to manage a large number of

Collection Class description and differences Collection├list│├linkedlist│├arraylist│└vector│└stack└set Map├hashtable├hashmap└weakhashmapCollection Interface Collection is the most basic set interface, and a collection represents a set of object, the

"Concept of containers"Container: A series of instances provided by the Java API for storing objects in a program."Container API"The container API provided by J2SDK is located in the Java.util package.{Collection[set (hashset,linkedlist), Srraylist]}

Related definitions of the collection frameworkCollection : A container that stores objects.Framework : A collection of class libraries.Collection Framework : A unified framework for representing and manipulating collections, with related interfaces,

Collection Class description and differencesCollection├list│├linkedlist│├arraylist│└vector│└stack└setMap├hashtable├hashmap└weakhashmapCollection interfaceCollection is the most basic set interface, and a collection represents a set of object, the

Ordered No Allow elements to repeat no collection no Yes list is Yes set abstractset no no HashSet TreeSet

Linear table, linked list, hash table is a commonly used data structure, in the Java development, JDK has provided us with a series of corresponding classes to achieve the basic data structure. These classes are in the Java.util package. This paper

Java Container---List,map,setCollection├list│├linkedlist│├arraylist│└vector│└stack└setMap├hashtable├hashmap└weakhashmapCollection interfaceCollection is the most basic set interface, and a collection represents a set of object, the collection