Java project files added

README.md

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+# sparkjava-war-example
+Build war with maven and sparkjava framework
+
+Steps:
+
+1. Download a fresh [Tomcat 8 distribution](https://tomcat.apache.org/download-80.cgi)
+2. Clone this repository to your local machine
+3. Run mvn package
+4. Copy the generated `sparkjava-hello-world-1.0.war` to the Tomcat `webapps` folder
+5. Start Tomcat by running `bin\startup.bat` (or `bin\startaup.sh` for Linux)
+5. Tomcat will automatically deploy the war
+6. Open [http://localhost:8080/sparkjava-hello-world-1.0/hello](http://localhost:8080/sparkjava-hello-world-1.0/hello) in your browser

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>sparkjava-hello-world</groupId>
+	<artifactId>sparkjava-hello-world</artifactId>
+	<version>1.0</version>
+	<packaging>war</packaging>
+
+	<dependencies>
+		<dependency>
+			<groupId>com.sparkjava</groupId>
+			<artifactId>spark-core</artifactId>
+			<version>2.7.2</version>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<version>1.7.25</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.1</version>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+					<optimize>true</optimize>
+					<debug>true</debug>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-enforcer-plugin</artifactId>
+				<version>1.3.1</version>
+				<executions>
+					<execution>
+						<id>enforce-java</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<configuration>
+							<rules>
+								<requireJavaVersion>
+									<version>[1.8,)</version>
+								</requireJavaVersion>
+							</rules>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>

src/main/java/HelloWorld.java

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+import spark.servlet.SparkApplication;
+
+import static spark.Spark.get;
+
+public class HelloWorld implements SparkApplication {
+	public static void main(String[] args) {
+		new HelloWorld().init();
+	}
+
+	@Override
+	public void init() {
+		get("/hello", (req, res) -> "Hello World");
+	}
+}

src/main/webapp/WEB-INF/web.xml

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+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+         version="3.0">
+
+	<filter>
+		<filter-name>SparkFilter</filter-name>
+		<filter-class>spark.servlet.SparkFilter</filter-class>
+		<init-param>
+			<param-name>applicationClass</param-name>
+			<param-value>HelloWorld</param-value>
+		</init-param>
+	</filter>
+
+	<filter-mapping>
+		<filter-name>SparkFilter</filter-name>
+		<url-pattern>/*</url-pattern>
+	</filter-mapping>
+</web-app>