<?xml version="1.0" encoding="UTF-8"?>

<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">

<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">

<output url="file://$MODULE_DIR$/target/classes" />

<output-test url="file://$MODULE_DIR$/target/test-classes" />

<content url="file://$MODULE_DIR$">

<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />

<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />

<sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />

<excludeFolder url="file://$MODULE_DIR$/target" />

</content>

<orderEntry type="inheritedJdk" />

<orderEntry type="sourceFolder" forTests="false" />

</component>

</module>

<?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>cn.synway</groupId>

<artifactId>classicalProgramming</artifactId>

<version>1.0-SNAPSHOT</version>

</project>

public class Factorial {

public static void main(String[] args) {

System.out.println(getFact(5));

}

public static long getFact(long input) {

long factorial = 1;

if (input == 1) {

return factorial;

}

return factorial = input * getFact(input - 1);

}

}