This book offers an introduction to concurrent, real-time and distributed programming, using Java object-oriented language support as an algorithm description tool. Complete with useful examples and practical exercises, the book is particularly interested in communication using TCP sockets and high-level...
Threads Get started with Spring Bootand with core Spring, through theLearn Springcourse: >> CHECK OUT THE COURSE 1. Overview In this tutorial, we’ll be looking at theThreadLocalconstruct from thejava.langpackage. This gives us the ability to store data individually for the current thread and...
With New Relic's Java agent, you can track everything from performance issues to tiny errors within your code. Every minute the agent posts metric timeslice and event data to the New Relic user interface, where the owner of that data can sign in and use the data to see how their websi...
Is there a website from where you'd like to regularly scrape data in a structured fashion, but that site does not offer a standardised API, such as a JSON REST interface yet? Don't fret, web scraping with Java comes to the rescue. 💡 Interested in web scraping with Java? Check out...
The ability to lock beyond the scope of a block: for example, one method can pass a lock object to another thread; Locks can be queried to find out, for example, if they currently have any threads waiting to acquire them. The package java.util.concurrent.locks contains the various lock...
HashMap operations are not synchronized and you will have to synchronoize the threads accessing HashMap on you own. You can use Java 9, factory methods to create Immutable HashMaps in-line.Examples of HashMapTill now, we have covered some basic features of the HashMap. Before we go furthe...
In Java 9,using thewalk()method of theStackWalker, we can traverse a few frames that we are interested inor the complete stack trace. Of course, the new functionality is thread-safe; this allows multiple threads to share a singleStackWalkerinstance for accessing their respective stacks. ...
如果你使用的是Tomcat作为嵌入式服务器(默认),那么可以使用server.tomcat.max-threads属性来控制允许的线程数。它默认被置为0,这意味着默认使用的是tomcat本身的默认值200。 知道这一点很重要,因为你可能需要增加这个数字以更有效地处理服务提供的资源。在处理外部资源时也会出现问题... 关于共享...
When Not to Use Exceptions Threads Summary 9 Data Structures Moving Beyond Arrays Java Structures Generics Enumerations Summary 10 Creating a Graphical User Interface Creating an Application Working with Components Lists The Java Class Library Summary 11 Building an Interface Swing Featu...
But… what is RxJava and how does it “simplify” things? Untangle your Android from too many Java threads with RxJava. Tweet While there are lots of resources already available online explaining what RxJava is, in this article my goal is to give you a basic introduction to RxJava and ...