queue implementation in java

Detailed analysis please refer to the C language version, here is only the implementation of code, the comments are very detailed, I have to say Java API used to be really cool fly1 PackageCom.xsf.SordForOffer;2 3 ImportJava.util.Stack;4 5 /**6 * Sword refers to offer Pro7, two linked lists to achieve a queue7 * @authorELVIS8 */9 classlistqueue{Ten //define two stacks One PrivateStackNewStack();

Java implementation of the queue classImportJava.util.Iterator;Importjava.util.NoSuchElementException;ImportJava.util.Scanner; Public classQueueImplementsIterable { Private intN; PrivateNodeFirst ; PrivateNodeLast ; Private Static classNode { Privateitem Item; PrivateNodeNext; } PublicQueue () { First=NULL; Last=NULL; N= 0; } Public BooleanIsEmp

:===================fixedlist===================//fixed-length queue//can be specified in length, using the same method as the normal queue//when the number of elements to be added to the specified number of elements will pop up//head insertion trailer, Tail Insert Header popup//initialization maximum length is 5fixedlistIt can be seen that it can be operated entirely using the LinkedList method, except tha

(); } } } Consumer.javaPackage com.test;/** * @see simulated customer completed business requirements, service personnel spare ready * @author Herman.xiong * @date November 17, 2014 14:57:11 * @version V1.0 */pub Lic class Consumer implements Runnable { Private Center center; Public Consumer (center center) { this.center = center; } @Override public Void Run () {while (! Thread.interrupted ()) { center.consume ();}}

1 /*queues implemented with linked lists-using double-ended lists2 * NOTE: null pointer error must be reference not pointing to object3 * */4 Public classMylinkedqueue {5 Privatemyfirstandlastlinkedlist list;6 Private intitems;7 8 PublicMylinkedqueue () {9List =Newmyfirstandlastlinkedlist ();TenItems = 0; One } A - Public BooleanIsEmpty () { - returnList.isEmpty (); the } - - Public voidInsertintkey) { - list.insertlast (key); +items++; - }

Principle:The team is in the tail and the team heads out.RunThere is nothing wrong with popping data from one queue at a time, but there is an error when the data is popped back into the array when the data is inserted again because the font and end are not reset and the next loop queue will solve the problem.Source:public class Myqueue {Private int[] array; Underlying arrayprivate int elements; Number of v

tryacquire (ARG)) { Sethead (node); P.next = null; Help GC return; } if (Shouldparkafterfailedacquire (p, node) parkandcheckinterrupt ()) break ; } } catch (RuntimeException ex) { Cancelacquire (node); Throw ex; } Arrive here only if interrupted cancelacquire (node); throw new Interruptedexception ();

); Myqueue.insert (1005); System.out.println (Myqueue.peek ()); while(!Myqueue.isempty ()) {System.out.print (Myqueue.remove ()+", "); } System.out.println (); System.out.println (Myqueue.isempty ()); System.out.println (Myqueue.isfull ()); Myqueue.insert (1007); Myqueue.insert (1002); Myqueue.insert (1008); Myqueue.insert (1009); while(!Myqueue.isempty ()) {System.out.print (Myqueue.remove ()+", "); } System.out.println (); System.out.println

Queue is a typical FIFO data structure, there are many ways to implement the queue, such as arrays, such as linked lists, queues can also be implemented with two stacks, the following two stacks to implement a queue.PrincipleTwo stacks, a stack used to queue, called him the stack, the other stack for the team, called out of the team stack.When we are in the

implemented.VI. implementation of the Code1 /**2 * method for direct insertion of sorting3 * @paraman array that needs to be sorted4 */5 Public voidInsertsort (int[] a) {6 //iterates over all elements except the first element, inserting an ordered area of element one by one in the initial unordered region7 for(inti = 1; i ) {8 //Storing insert elements9 inttemp =A[i];Ten //define J V

PublicItem Next () {Item Item=Current.item; Current=Current.next; returnitem; } }}//List -implemented queuesImportJava.util.Iterator; Public classQueueImplementsIterable { PrivateNode first;//Defining a table header PrivateNode last;//Define footer Private intN//define the number of elements Private classNode/*Defining node Classes*/{item item; Node Next; } Public BooleanIsEmpty () {returnfirst==NULL;} Public intSize () {returnN;} Public voidEnquene (item item) {//ad

Stackelement see the implementation of the stackPackage Com.lip.datastruture.stack;public class QueueOperation Result:Implementation of the queue of data structures (JAVA)

package multithreading concurrency; import java.util.stack;/** * Created by z84102272 on 2018/7/17. */public class Blockqueueimpl {private final static Object Pushlock = new Object (); Push lock private Final static Object Poplock = new Object (); The lock of the pop private stack　　Java Implementation blocking queue

See blog: http://www.imooc.com/article/1515But code has a problem with two queues implementing a stackThe correct code is as follows:ImportJava.util.Queue;ImportJava.util.concurrent.ArrayBlockingQueue;ImportJava.util.concurrent.LinkedBlockingQueue; Public classMyqueue {PrivateQueueNewLinkedblockingqueue() ; PrivateQueueNewLinkedblockingqueue() ; Public voidPushintdata) {queue1.add (data); } Public intPop ()throwsexception{intdata; if(queue1.size () = = 0){ Throw NewExcepti

available heap memory space.When implementing Priorityblockingqueue, the internal control thread synchronizes the lock with a fair lock.4.5. SynchronousQueue5. LinkedblockingdequeIs blocking the double-ended queueArraydeque bidirectional queueLinkedblockingdeque blocking the double-ended queueArrayblockingqueue bidirectional concurrent Blocking queueLinkedblockingqueue FIFO queueConcurrentlinkedqueue non-boundary thread secure queue based on link nod

The array implementation of the queue, from the end of the team into, the enemy deleted.Queue Length with the flag variable size, which is a variable independent of front and rear. Size = = 0, the queue is empty. Size = = capacity, full queue.I. Statement of statements 1 struct node{ 2 int capacity; 3 int Front; 4 int Rear; 5 int Size; 6 int

Queue /QueueArray queueArray queue is an array-based implementation of the queue, its implementation is similar to the array stack, is a FIFO linear data structure.Queue: The following will use the list in Python instead of the array in the C language to implement the

There are two types of linear tables with limited access locations: Stack and queue. There are two ways to implement Queues: sequential and chained. Cyclic queues are implemented in order. Two variables, front and rear, are used to record the header and tail of the queue. The implementation code is as follows: Class cqueueimpl {Cqueueimpl: cqueueimpl (INT size)

DEMO code of java queue, priority queue, and two-way queue Package org. rui. collection2.queues; import java. util. using list; import java. util. priorityQueue; import java. util.

[Algorithm design-priority queue] implementation and operation of priority queue, algorithm queue Priority queue is a specific application of heap sorting. Priority Queues are divided into the following operations: 1. INSERT (S, x) inserts element x into the priority