< H2 > the first case < H2 > package com.btmans.thread; public class TestSync implements Runnable{ int b = 100; public synchronized void m1() throws Exception{ b = 1000; Thread.sleep(5000); System.out.println("b=&q...
topic description while learning the knowledge of multithreading, the result of the following code is not the same as expected. I can t see what the problem is. Please take a look at it . sources of topics and their own ideas what I think is that ...
in the following figure, while thread An executes the synchronized method of obj, thread B can execute other non-synchronized methods of obj I have read several blogs on the Internet, and most of them say yes. But as I understand it, when thread A ...
recently read "Java concurrent programming practice, " in Section 4.4.1, there is an example: suppose we need a thread-safe List, that needs to provide us with an atomic "put-if-absent " operation. And two implementations are provided: A non-thread...
Object obj=new Object(); Object obj2=obj; synchronized(obj){} synchronized(obj2){} what if this is the case? Object obj=new Object(); synchronized(obj){} obj=new Object(); synchronized(obj){} ...
go straight to the code: const tree = { state: { allNode: [], treeNode: null }, mutations: { SET_ALL_NODE: (state, keys) => { state.allNode = [...keys]; }, SET_TREE_NODE: (state, nodes) => { state.treeNod...
such as the title. document here: http: doc.workerman.net appe... what is the use of this agreement? Is used to test telnet? ...
a.js module.exports = a ; index.js import a from . a console.log(a); .babelc { "presets": [ ["env", { "targets": { "node": "current" } }] ] } execute us...
VScodelogconsole.log(),console.log(): The icon is a file, and selecting this does not have any effect, so it is troublesome to press the direction key to select the second one every time you enter it. Does anyone know what this is? Is there any way ...
In the project development of weex, it is hoped that the Css preprocessor is generally used to write with Vue. Under the condition of web compilation, it can be compiled normally, but it cannot be compiled in the compilation environment of the mobile ter...