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I. Callers of services Overview of service invokers: The invoker package in the remoting package is the service caller, including configuration, bean proxy, load balancing strategy, invocation scheme, etc. II. Generating Agent 2.1 @XxlRpcReference Let's first look at the @XxlRpcReference annotation ...

Exploration of New Java 8 Features (VIII) Streamlined JRE Details https://my.oschina.net/benhaile/blog/211804 Streamlined version of api     This year's interviews with Ali, Netease and the American League, I have made an important discovery --> ___________. Oracle has released the official version of Java 8 as schedule ...

Detailed description of server configuration Recently, the server has just been configured. For the sake of memorandum, this document will explain in detail how to configure the server and record all the problems that arise in the process of configuring the server. Detailed description of server configuration Installation Chapter Ins ...

There are many ways to determine whether two objects are equal in Java, which will be explained briefly here. For basic data types, we can directly use "==" to judge, equality returns true, and vice versa, false. Comparisons with Reference Types Suppose that there are two reference objects obj1,obj2, obj1==obj2 to determine wheth ...

FutureTask can also be used as a latch.(FutureTask implements Future semantics and represents an abstract calculation of generatable results.The calculation represented by FutureTask is done through Callable, which is equivalent to a Runnable that generates results and can be in three states: Waiting to run, Running, and Completed.Execution Com ...

JAVA Dynamic Agent proxy pattern Proxy pattern is a common java design pattern. its characteristic is that proxy class has the same interface with delegate class. proxy class is mainly responsible for pre-processing messages, filtering messages, forwarding messages to delegate class, and post-processing messages for delegate class. There is u ...

HashMap is a combination of arrays and linked lists. As follows: Paste_Image.png As you can see from the figure, the bottom of HashMap is an array structure, and each array stores a linked list (a reference to the linked list). JDK 1.6 implements hashmap in the form of bit bucket (array) +linked list, that is, hash linked list. JDK 1.8 adopts ...

This article blog address: http://blog.csdn.net/qq1084283172/article/details/70339471 I. Environmental Configuration 1.ubuntu 14.04.5 x64bit 2.jdk-6u45-linux-x64.bin 3.Android Studio 2.3 4.Android 4.4.4r1 Configuration of JDK According to official google documents https://source.android.com/source/requirements#jdk The hint is that the ...

Understanding the principles of Concurrent HashMap implementations, it is recommended that you first understand the following HashMap Realization principle.HashMap source code parsing (JDK 1.8) Why use Concurrent HashMap Hashtable is thread-safe, but it uses synchronized method to synchronize. Both insert and read data are synchronized. When in ...

Summary   HashMap is one of the most commonly used container classes in Java development and a frequent visitor to interviews.It's actually the preceding " Notes on Data Structure and Algorithms (2) The implementation of Hash List in JDK 1.8 uses the Chain List method to handle hash conflicts, and it is optimized to turn a chain list int ...