java data structures video tutorials

The collection framework in Java is actually the encapsulation of the realization of data structure;Reference: ren xiao Dragon teaching video1, what is a data structure?The data structure is the way that the computer stores it and organizes it;Data structure refers to the co

Another article reference: http://blog.csdn.net/u010947402/article/details/51878166Perhaps you have mastered the use of Java. util package inside the various data structures, but I would like to say a Java version of the data structure and algorithms, I hope to help you.Line

From here, we will be explaining the Java data structure, is it ready? Let ' s go~~The data structure model in Java can be divided into several parts:1. Linear structure2. Tree-shaped structure3. Graphic or mesh structureIn the next few chapters, we will explain these data

be very low, because arraylist needs to move a large number of elements inside it. The following is an example of using arraylist: Package CLS; import Java. util. *;/*** arraylist array test * 2013.3.22 **/public class arraylisttest {public static void main (string [] ARGs) {arraylist The listlist class implements the list interface using a linked list. This means that the shortlist can be effectively added, deleted, or inserted. However, for acce

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The following is referenced from http://wiki.jikexueyuan.com/project/java/data-structures.html:The data structure provided in the Java Toolkit is very powerful and has a lot of functionality. These data structures contain the foll

From here, we will be explaining the Java data structure, is it ready? Let ' s go~~The data structure model in Java can be divided into several parts:1. Linear structure2. Tree-shaped structure3. Graphic or mesh structureIn the next few, we will explain these data

the process data in the lookup table is a change, there is a delete or insert operationBinary sort tree: The structure of a tree is usually not generated at once, but in the process of finding it, inserting it when there is no keyword equal to the given node in the tree. The characteristic is that the root node is larger than the left child, smaller than the right child. You can modify the pointer based on the node location when you delete the

has a specific value, and once found, you can display, delete, or otherwise manipulate the node. The new node can be inserted in front of or behind a node of a particular value, first to traverse to find the node. The double-ended list maintains a reference to the last node in the list, which is usually the same as the header, called Tailer. Double-ended lists allow data items to be inserted at the end of a table. An abstract

Java's class library is so many that many people don't understand it, and the result is that they always build their own wheels.The following summarizes some of the data structures in Java, plus some implementations of the analysis, as well as the memo.As for the complexity of time, the personal feel that the use of writing is not very useful. If you understand h

, Boolean inclusive): Returns the map's child map whose key range is less than tokey (whether it includes all keys depending on the second parameter).Summarize　　If it involves operations such as stacks, queues, and so on, you should consider using the list, for quick insertions, for deleting elements, should use LinkedList, and if you need to quickly randomly access elements, you should use ArrayList.If the program is in a single-threaded environment, or if access is done only in one thread, it

to implement, tracking the algorithm is not straightforward.Other interval sequencesThe selection interval sequence can be called a magic. Only the formula h=h*3+1 generation interval sequence is discussed here, but the application of other interval sequences has achieved varying degrees of success. There is only one absolute condition, that is, the gradually decreasing interval must be equal to one at a time, so the last order is a normal insertion sort.The efficiency of the hill sortSo far, n

This article does not speak of technology, the time to talk about the technology and popular there is a strange relationship between the driving force to learn something.1) technology and popularThe University of the Min data structure is not thick, rich content, but the complexity of the explanation of the problem is less, more difficult to understand, C is not very good, but the basic ideas are still there.Simple list of lists, arrays, stacks, queue

From here, we will be explaining the Java data structure, is it ready? Let ' s go~~the data structure model in Java can be divided into several parts:1. Linear structure2. Tree-shaped structure3. Graphic or mesh structureIn the next few, we will explain these data

Notoginseng * When extracting, to prevent an error in exceeding the capacity of the collection, add a method to query whether the next element exists - * @isEmpty is a Boolean type the */ + Public BooleanIsEmpty () { A returnList.isEmpty (); the } + } - $ $ Packagecn_linkedlist; - - ImportJava.util.Iterator; the Importjava.util.LinkedList; - Wuyi /* the please use LinkedList to simulate the collection of stack data

...4. Empty (the test stack is empty.) Returns false if and only if no items are included in the stack . 5. int search (object o) returns the position of the object in the stack , with a base of 1, and if the object O is an item in the stack, the method returns the nearest occurrence bit from the top of the stack　The distance to the top of the stack, and the distance 1 of the topmost item in the stack. Make the Equals method compare o with the items in the stack ...Queue class :(queue) is a FI

. The algorithm is then filtered up.Note: Up and down, filtering up is only compared with a parent node and stops filtering when it is smaller than the parent node.　　5. Complete Java Heap CodeFirst we need to know some of the main points of using arrays to represent heaps. If the index of the node in the array is x, then:The left child node of the node is 2*index+1,The right child node of the node is 2*index+2,The parent node of the node is (index-1)/

Details of data structures in JavaThis article describes the data structure in Java, and this article attempts to explain to the reader the role of each class and how to use it correctly through a simple description. Come and see this article together! Perhaps you have mastered the use of

First, the realization of the Java_collections tableUnlike C, Java has implemented and encapsulated ready-made table data structures, sequential tables, and linked lists.1, ArrayList is based on the implementation of the array, so it has the characteristics of: 1. There are index values for easy lookups, and for get and set operations, it takes constant time, 2.

Perhaps you have mastered the use of Java. util package inside the various data structures, but I would like to say a Java version of the data structure and algorithms, I hope to help you.Linear table, linked list, hash table is a common