java microservices example

{public static void Main (string[] args) { Scanner s=new Scanner (system.in); System.out.println ("Please enter the Year"); int Nianfen=s.nextint (); if (nianfen%4==0nianfen%100!=0| | nianfen%400==0) {System.out.println (nianfen+ "Years is a leap year");} The year can be divisible by 4 but cannot be divisible by 100, or the year can be divisible by 400 else{system.out.println (nianfen+ "Year is not leap years");}} The above is a small series for everyone to use

Java read-write Excel package is Apache POI (Project address: http://poi.apache.org/), so you need to obtain the POI jar package, this experiment is using the POI 3.9 stable version. Apache POI code example address: http://poi.apache.org/spreadsheet/quick-guide.html This example reads Microsoft Office Excel 2003/2007/2010, with specific code and comments as follo

. @ SuppressWarnings indicates that some improper compiler warning information is disabled. The following is an example of [java] package com. annotation. test; import java. lang. annotation. documented; import java. lang. annotation. elementType; import java. lang. annotati

());} }4 Test classPackage Testspring;import Org.springframework.context.applicationcontext;import Org.springframework.context.support.classpathxmlapplicationcontext;import Com.test.bean.person;public class Test { Public static void Main (string[] args) { ApplicationContext ctx = new Classpathxmlapplicationcontext ("Bean.xml ");//Read the contents of the bean.xml person p = ctx.getbean (" person ", person.class);//Create a Reference object for the Bean P.info ();}

1. java reads text files to the mysql database [Example]: reads the phonenumber table of the database school from the mobile phone number home location file: mongotong .txt.The contents of the 2XX wildcard are as follows:[Plain]13003000000-13003009999-Hefei130030316-13003029999-Bengbu13003030000-13003049999-Wuhu13003050000-13003069999-Hefei13003070000-13003079999-Huainan13003080000-13003089999-Hefei13003090

(true) {String message = "message-" + ++count;//消息主题是testKeyedMessagenew KeyedMessage"test", message);//message可以带key, 根据key来将消息分配到指定区, 如果没有key则随机分配到某个区// KeyedMessageproducer.send(keyedMessage);System.out.println("send: " + message);try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}}// producer.close();} }/*** 自定义分区类**/class MyPartition implements Partitioner {public int partition(Object key, int numPartitions) {return key.hashCode()%numPartitions;}} From fo

(i) Download installation1. Download VISUALVMDownload on official website, with Mac version2, tools-Plug-ins, select the plug of interest to installAt this point, if there is a local running Java process, then the local there is already able to monitor the analysis(ii) Remote server configuration1, in any directory to establish the file Jstatd.all.policy, the contents are as follows:Grant CodeBase "file:${java.home}/. /lib/tools.jar "{Permission java.

If you use Java to solve the Hangzhou electric ACM, the answer must be noted two points:1, the class name must be main, otherwise the server can not compile;2, must use while to input judgment.For the 1000-question test, the code is as follows: Import Java.util.Scanner; Public class Main { publicstaticvoid main (string[] args) { Scanner scan =new Scanner (system.in); while (Scan.hasnextint ()) { int a=

the redis running status. [6246]05 Aug 19:24:33- 0 clients connected (0 slaves),539544 bytes in use[6246] 05 Aug 19:24:37- Accepted 127.0.0.1:51381[6246] 05 Aug 19:24:38- 1 clients connected (0 slaves),547372 bytes in use The above steps are OK !! Such a simple redis database can run smoothly. Step 7: Stop a redis instance The simplest way is to stop an instance directly using control-C in the session of the instance. We can also use a client to stop the service. For

1. Create a New Java project named WebStart (the name may be retrieved randomly) and add the program: Package JWS; 2. Package the package into an executable jar package: WebStart-> export-> runnable JAR file-> select the storage location and jar name (for example, D:/helloworld. Jar) and the class where the main method is running-> finish 3. Digital Signature: Use the following command to sign the hellow

======= subclasses are instantiated by default when the parent class is empty, the constructor is super (), which can be omitted.However, when the parent class does not have an empty construction method, it must call this method in the subclass to instantiate the parent class before the instance class is real.The default constructor for a parent class that is empty is automatically called by default in the subclass.======== when a parent class refers to a subclass object, it calls different clas

From Jnius import autoclass>>> stack = autoclass (' java.util.Stack ') >>> stack = stack () >>> Stack.push (' hello ') >>> Stack.push (' World ') >>> stack.pop () ' World ' >>> stack.pop () ' Hello ' In the above code, we use the Autoclass function to create a type proxy that corresponds to all the methods and field properties of the Java.util.Stack class in Java. OK, maybe you want an android-related example