refactor 609

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_609.java

@@ -53,7 +53,7 @@ If the file content is very large (GB level), how will you modify your solution?
 public class _609 {
 
     public List<List<String>> findDuplicate(String[] paths) {
-        Map<String, List<String>> map = new HashMap<>();//key is the file, value is the list of directories that has this file/content
+        Map<String, List<String>> map = new HashMap<>();//key is the file content, value is the list of directories that has this directory/file
         for (String path : paths) {
             String[] dirAndFiles = path.split(" ");
             for (int i = 1; i < dirAndFiles.length; i++) {

src/test/java/com/fishercoder/_609Test.java

@@ -7,9 +7,6 @@
 
 import java.util.List;
 
-/**
- * Created by stevesun on 6/4/17.
- */
 public class _609Test {
     private static _609 test;
     private static String[] paths;