mongodb java client

In the previous article, we briefly introduced ZooKeeper deployment and node management. This section describes how to manage nodes through the java client. I don't want to introduce them one by one. I believe you can understand them from the comments of the Code. First, create a basic class for zookeeper, which contains the basic node management methods, as follows: Package com. zktest. newtest; import

Socket Programming Everyone is not unfamiliar, Java learning must learn part of Java Network programming is one of the core content. Java network programming also includes TCP, Udp,url and other modules. TCP corresponds to the socket module, UDP corresponds to the Datagrampacket module. URL corresponds to the URL module. Where TCP and UDP are network transport pr

. Contains Hello examples and file upload examples 2. Hello example1) backend -- Define the Java interface:Package org. migle. hessian;Public interface Hello {Public String sayHello (String smt );Public void printHello (String smt );}2) backend -- Implement the Java interface:Package org. migle. hessian. impl;Import org. migle. hessian. Hello;Public class HelloImpl implements Hello {Public String sayHello (

Java obtains the Client IP address, MAC address, computer name, And win7mac address in 64-bit Windows 7. Package com. javaweb. util; import java. io. IOException; import java. io. inputStreamReader; import java. io. lineNumberReader; import javax. servlet. http. httpServletR

To interact with WebLogic Server, the Java client must be able to obtain the object reference of a remote object and call operations on the object. To complete this operation, the client application code must perform the following steps: 1. Set the JNDI environment attribute of initialcontext. Listing 3-1 describes how to use the context. initial_context_factory

There are about three methods to obtain the MAC address of the client (IE) Nic from Java/JSP. 1. Execute ipconfig on the client using commands. 2. ActiveX Method 3. How to send query commands to port 137 Introduction: The first method is to block the command that does not know why the MAC address is obtained when it is actually used. And the speed is the slowest

This article originates from: http://blog.csdn.net/lulidaitian/article/details/51946169A problem description appears:1.Could not get a resource from the pool, Connection refused:connectWindows Java side Client link is rejected, think about the problem1.Vmware Linux installed Redis has started normally2. In Windows with SSH Client link Linux can operate Redis3. Tu

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ Client: Import java.net. Socket;Import java.net. inetaddress;Import java.net. unknownhostexception;Import java. Io. outputstream;Import java. Io. bufferedreader;Import java. Io. inputstream;Import java. Io. inputstreamread

Let me record the journal account (only "sent by the server, displayed after the client reads "): I. server-side environment setup (based on PHP) 1. The server construction work is skipped. The Environment version is listed as follows: PHP version 5.3.2-1, Apache/2.2.14, ubuntu10.04 lts 2. Because Google's protobuf only supports three languages, PHP is not included yet, and only third-party download is supported: Http://code.google.com/p/pb4php/ 3. de