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+    </states>
+  </component>
+</project>

ConversionTool.java

@@ -1,21 +0,0 @@
-public class ConversionTool {
-
-
-    public static void main(String[] args){}
-
-    public static float CentimetersToInches(float centimeters){}
-
-    public static float InchesToCentimeters(float inches){}
-
-    public static float FeetToMeters(float feet){}
-
-    public static float MetersToFeet(float meters){}
-
-    public static float CelsiusToFahrenheit(float celsius){}
-
-    public static float FahrenheitToCelsius(float fahrenheit){}
-
-    public static float MphToKph(float mph){}
-
-    public static float KphToMph(float kph){}
-}

MetricConversions.iml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4" />

pom.xml

@@ -0,0 +1,65 @@
+<?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>metric</groupId>
+  <artifactId>bipbode</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <name>bipbode</name>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.11</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+      <plugins>
+        <plugin>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.0.0</version>
+        </plugin>
+        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
+        <plugin>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>3.0.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <version>3.7.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>2.20.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>3.0.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>2.5.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>2.8.2</version>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+</project>

src/main/java/metric/App.java

@@ -0,0 +1,13 @@
+package metric;
+
+/**
+ * Hello world!
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        System.out.println( "Hello World!" );
+    }
+}

src/main/java/metric/ConversionTool.java

@@ -0,0 +1,39 @@
+package metric;
+
+public class ConversionTool {
+
+
+    public static void main(String[] args){}
+
+    public static float CentimetersToInches(float centimeters){
+        return (float) (Math.max(centimeters, 0) * 0.393701);
+    }
+
+    public static float InchesToCentimeters(float inches){
+        return (float) (Math.max(inches, 0) / 0.393701);
+    }
+
+    public static float FeetToMeters(float feet){
+        return (float) (Math.max(feet, 0) * 0.3048);
+    }
+
+    public static float MetersToFeet(float meters){
+        return (float) (Math.max(meters, 0) / 0.3048);
+    }
+
+    public static float CelsiusToFahrenheit(float celsius){
+        return celsius * 9/5 + 32;
+    }
+
+    public static float FahrenheitToCelsius(float fahrenheit){
+        return (fahrenheit - 32) * 5/9;
+    }
+
+    public static float MphToKph(float mph){
+        return (float) (Math.max(mph, 0) * 1.60934);
+    }
+
+    public static float KphToMph(float kph){
+        return (float) (Math.max(kph, 0) / 1.60934);
+    }
+}

src/test/java/metric/AppTest.java

@@ -0,0 +1,20 @@
+package metric;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+{
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue()
+    {
+        assertTrue( true );
+    }
+}

ConversionToolSpec.java → src/test/java/metric/ConversionToolSpec.java

@@ -1,3 +1,5 @@
+package metric;
+
 import static org.junit.Assert.assertEquals;
 import org.junit.Test;