Shulou(Shulou.com)06/02 Report--

This article will explain in detail how java can start multiple threads in a single thread to deal with a list and then deal with other operations after all child threads are processed. Xiaobian thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Main class: ParentChildMain

Parent thread class: ParentChildPoolTest

Subthread class: ParentChildDoThread

Thread pool: ThreadPool

Import java.util.ArrayList

Public class ParentChildMain {

Private static ArrayList list = new ArrayList ()

Private static int controlNum = 0

Private static int listNum = 0

Public ParentChildMain () {

For (int I = 0; I < 50; iTunes +) {

List.add (String.valueOf (I))

}

ListNum = list.size ()

ParentChildPoolTest test = new ParentChildPoolTest ()

Test.start ()

}

Public static synchronized String getControlObj () {

If (listNum = = controlNum) {

Return null

}

String retValue = (String) list.get (controlNum)

ControlNum + +

Return retValue

}

Public static void main (String [] args) {

ParentChildMain main = new ParentChildMain ()

}

}

Import java.util.ArrayList

Public class ParentChildPoolTest extends Thread {

Int numThreads = 10

Int numTasks = 4

Public ParentChildPoolTest () {

}

Public void run () {

/ / generate thread pool

ThreadPool threadPool = new ThreadPool (numThreads)

/ / run the task

For (int item0; I

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