java concurrency book

1.JVM Tuning Summary (1): Some concepts: http://www.importnew.com/18694.html2.JVM Tuning Summary (2): Basic garbage collection algorithm: http://www.importnew.com/18740.html3.JVM Tuning Summary (3): Problems with garbage collection: http://www.importnew.com/18747.html4.JVM Tuning Summary (4): Generational garbage collection: http://www.importnew.com/19255.html5.JVM Tuning Summary (5): Typical configuration: http://www.importnew.com/19264.html6.JVM Tuning Summary (6): A new generation of garbage

"Practical Java High Concurrency Programming 1" Pointers in Java: unsafe class"Practical Java High Concurrency Programming 2" lock-free object reference: AtomicreferenceAtomicreference cannot solve the problem above all because the object is missing state information during

Java concurrency Programming: core theory Java Concurrency Programming: synchronized and its implementation principles Java concurrency Programming: Synchronized bottom-level optimization (lightweight lock, biased lock)

This is a creation in Article, where the information may have evolved or changed. See the previous: Java, Scala, and go languages multi-threaded concurrency comparison test. Related code Download: http://qinhui99.itpub.net/resource/2570/31876Test results and conclusionsCount the number of prime numbers in a 1~n, and record the time spent. The same n, the less time performance the better. AMD Dual Core 2.8G,

section is in the Java 8 version, not the Java 5 version it was first introduced to. The design philosophy behind Atomicboolean is explained in the "Comparison and Exchange" section of my Java concurrency guide theme. Create a Atomicboolean You can create a atomicboolean like this: Atomicboolean Atomicboolean = new At

thread in the Asynchronouschannelgroup.As can be seen, the biggest difference between Proactor and reactor is:A) There is no need to use a multiplexer.b) handler does not need to perform specific IO operations (such as reading data or writing data), but only performing business processing of IO data.Iv. Summary1, the IO in Java has synchronous blocking, synchronous non-blocking, asynchronous non-blocking three operation modes, respectively, correspon

The following information is transferred from http://tutorials.jenkov.com/java-concurrency/same-threading.html (using Google Translate):The same thread is a concurrency model in which a single-threaded system is extended to n single-threaded systems. The result is n single-threaded systems running in parallel.The same threading system is not a purely single-threa

Learning Java concurrency has been one months, feel some things to learn a moment will forget, do some notes but not the system, Java concurrency so Big "system", need to summarize, organize to conquer it. I hope that colleagues to learn Java concurrent programming, common p

Learning Resources E -book articlesFrom the foundation to the project actual combat massive Video tutorial Resources chapterI. Electronic Book Resources Daquan 1. Java Basics2. Java EE3. Front Page related4. Database related5. Java Virtual Machine Related6.

Learning Resources E -book articlesFrom the foundation to the project actual combat massive Video tutorial Resources chapterI. Electronic Book Resources Daquan 1. Java Basics2. Java EE3. Front Page related4. Database related5. Java Virtual Machine Related6.

1.As long as your static method does not access global variables, there is no concurrency problemThere is no doubt that accessing global variables will cause concurrency problems.Variables inside static methods are local variables, and memory space is redistributed each time a static method is called, so it is safe. That is, if your static method does not access global variables, there will be no

is preceded by the Execute () method with the Synchronized keyword, the execution result of this example program will vary greatly. If you do not add the Synchronized keyword, two threads execute the Execute () method at the same time, and the output is two sets of concurrency. If you add the Synchronized keyword, you will first output a set of 0 to 9 and then output the next set, which means that two threads are executed sequentially. 2. Multi-

downgrade, follow the acquisition of write lock, read lock and then release the order of the write lock, write lock can be downgraded to read lock. Locksupport provides a park unpark static method of blocking, waking. Condition Interface : Any Java object, has a set of monitor methods, including, wait() and notify() so on, these methods and synchronized keyword Mates can implement the wait/notification mode, the Condition interface also provides

parameters that correspond to the query page of a search engine. For each string, this method emits an HTTP request to query the message and returns the first available result, as soon as possible.If an error occurs, it is possible to throw an exception or return null. I'm just trying to avoid an infinite loop in order to wait for results.Simple note: This time I will not really go into the details of how multithreading communicates, or go deep into the Jav