Played out

PlaylistChallenge.iml

@@ -0,0 +1,16 @@
+<?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_5">
+    <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/test/java" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+  </component>
+</module>

pom.xml

@@ -8,6 +8,11 @@
     <artifactId>PlaylistChallenge</artifactId>
     <version>1.0-SNAPSHOT</version>
 
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
 
     <dependencies>
         <dependency>

src/main/java/io/zipcoder/Music.java

@@ -4,11 +4,35 @@ public class Music {
 
     private String[] playList;
 
-    public Music(String[] playList){
+    public Music(String[] playList) {
         this.playList = playList;
     }
 
-    public Integer selection(Integer startIndex, String selection){
-        return null;
+    public Integer selection(Integer startIndex, String selection) {
+
+        Integer search = 0;
+        Integer upCount;
+        Integer downCount;
+        Integer endOfArray = playList.length;
+
+        if (startIndex == endOfArray) {upCount = 0;}
+            else {upCount = startIndex +1;}
+        if (startIndex == 0) {downCount = endOfArray - 1;}
+            else {downCount = startIndex -1;}
+
+
+        if (playList[startIndex] == selection) {
+            //return search;
+        } else {search = 1;
+            while (playList[upCount] != selection && playList[downCount] != selection) {
+                //search++;
+                if (upCount == endOfArray - 1) {upCount = 0;} else {upCount++;}
+                if (downCount == 0) {downCount = endOfArray - 1;} else {downCount--;}
+                search++;
+            }
+        }
+
+        return search;
+
     }
-}
+}