volatile
In Java, is it safe to change a reference to a HashMap read concurrently
I hope this isn\'t too silly a question... I have code similar to the following in my project: public class ConfigStore {[详细]
2023-03-30 20:33 分类:问答Type Casting of volatile char into register char type
I am in a situation where i a开发者_开发问答m getting an extra warning in my C code. warning #2513-D: a value of type \"volatile char *\" cannot be assigned to an entity of type \"char *\" A = B;[详细]
2023-03-29 23:37 分类:问答what happens after writing to a volatile variable?
I wonder if writing to a volatile variable will force jvm to synchronize all non-volatile variables to the memory, so for example, what will happen in the following code:[详细]
2023-03-29 16:19 分类:问答Is Visibility Problem in Java caused by JVM or Hardware?
Previously I think the Visibility Problem is cause by CPU Cache for performance. But I saw this article: http://www.ibm.com/developerworks/java/library/j-5things15/i开发者_Go百科ndex.html[详细]
2023-03-29 03:36 分类:问答Are volatile reads and writes atomic on Windows+VisualC?
There are a couple of questions on this site asking whether using a volatile variable for atomic / multithreaded access is possible: See here, here, or here for example.[详细]
2023-03-27 03:54 分类:问答If I declare an instance variable as volatile, will the object of this class be volatile?
Like: class A { volatile int i; }; A a; My question is that will the entire a become cv开发者_StackOverflow qualified? May be a naive question.No, all of a will not be volatile.Just as you can ha[详细]
2023-03-24 05:08 分类:问答Trade off with declaring method synchronized in java?
I had a problem with a thread locking up for some still unknown reason in my Android App whenever I tried to kill Thread B from 开发者_JAVA百科Thread A (usually, sometimes it worked).I guessed that it[详细]
2023-03-23 21:14 分类:问答Are mutex lock functions sufficient without volatile?
A coworker and I write software for a variety of platforms running on x86, x64, Itanium, PowerPC, and other 10 year old server CPUs.[详细]
2023-03-22 22:29 分类:问答Methods in trait become volatile methods when mixed in concrete classes in 2.9.0-1 but not 2.8.1
I noticed this breaking (for me using it with OGNL) change in 2.9.0-1: I find that, in 2.9, methods declared in a trait become volatile when mixed in a class:[详细]
2023-03-22 02:50 分类:问答Java: Caching of non-volatile variables by different threads
The situation is the following: I have an object with lots of setters and getters. Instance of this object is created in a one particular thread where all values are set. Initially I create an \"emp[详细]
2023-03-19 20:31 分类:问答