Format and minor docs.

src/app/Artifacts.java

@@ -6,16 +6,20 @@ public class Artifacts {
 
     Tools tools = new Tools();
 
-
+    /**
+     * @param file
+     * @return
+     */
     public MFile getMFile(File file) {
         MFile mfile = new MFile();
         mfile.file = file;
         mfile.md5 = tools.getMd5(file.getPath());
         return mfile;
-
-
     }
 
+    /**
+     *
+     */
     public class MFile {
         public File file;
         public String md5;

src/app/Controller.java

@@ -16,6 +16,9 @@ import java.util.Map;
 
 import app.Artifacts.MFile;
 
+/***
+ * Controller class for JavaFX. Contains the application logic.
+ */
 public class Controller {
 
 

src/app/Execute.java

@@ -7,7 +7,6 @@ public class Execute {
 
 
     /**
-     *
      * @param cmd an array representing a shell command
      * @return <i>TwoBr</i>  class, containing two BufferedReaders,
      * <i>output</i> and  <i>error</i>

src/app/Main.java

@@ -13,10 +13,9 @@ import javafx.stage.Stage;
 
 public class Main extends Application {
 
-    static String foo;
 
     @Override
-    public void start(Stage primaryStage) throws Exception{
+    public void start(Stage primaryStage) throws Exception {
         Parent root = FXMLLoader.load(getClass().getResource("layout.fxml"));
         Scene scene = new Scene(root, 300, 275);
 

src/app/QuicksortMd5.java

@@ -10,6 +10,10 @@ public class QuicksortMd5 {
     private int j;
     private int p;
 
+    /**
+     * @param md5Pool
+     * @return a Map sorted by md5.
+     */
     public Map<Integer, MFile> quicksortMd5(Map<Integer, MFile> md5Pool) {
         this.md5Pool = md5Pool;
 

src/app/Routines.java

@@ -12,28 +12,24 @@ import app.Artifacts.MFile;
 
 public class Routines {
 
-
+    Execute x;
-    Execute x = null;
+    Tools tools;
-
-    Tools tools = new Tools();
-    Write write = new Write();
 
 
     public Routines() {
         this.x = new Execute();
-
         this.tools = new Tools();
     }
 
 
     /**
-     * [1] Write output of <b>find srcdir</b> to <b>/tmp/find</b> <br>
+     * [1] Write output of <b>find srcdir</b> to <b>/tmp/find</b> .<br>
-     * [2] Read <b>/tmp/find</b> into <b>List>String></b> <br>
+     * [2] Read <b>/tmp/find</b> into <b>List< String /></b> .<br>
-     * [3] Add <b>List>String></b> entries to <b>Map>String,File></b> , where
+     * [3] Add <b>List< String /></b> entries to <b>Map>String,File></b> , where
      * <b>String</b> is an <b>int</b> key. <br>
      *
-     * @param srcdir
+     * @param srcdir <i>String</i>
-     * @param type   file OR directory
+     * @param type   <i>String</i>  "file" OR "dir" , pick what type will be loaded.
      * @return filepool
      */
     public Map<Integer, File> loadPool(String srcdir, String type) {
@@ -51,7 +47,7 @@ public class Routines {
         int j = 0;
         for (int i = 0; i < lines.size(); i++) {
             File file = new File(lines.get(i));
-            if (type == "directory" && file.isDirectory() || type == "file" && file.isFile()) {
+            if (type == "dir" && file.isDirectory() || type == "file" && file.isFile()) {
                 filepool.put(j, file);
                 j++;
             }
@@ -59,7 +55,12 @@ public class Routines {
         return filepool;
     }
 
-
+    /**
+     * Calculate md5 for each file in <b>pool</b> .
+     *
+     * @param pool Map< Integer, File />
+     * @return Map<                Integer               ,                               MFile                               />
+     */
     public Map<Integer, MFile> md5Pool(Map<Integer, File> pool) {
         Map<Integer, MFile> md5Pool = new HashMap<>();
         for (int i = 0; i < pool.size(); i++) {
@@ -69,7 +70,10 @@ public class Routines {
         return md5Pool;
     }
 
-
+    /**
+     * @param md5Pool Map< Integer, MFile /> , a map containing files and their md5.
+     * @return Map<        Integer       ,               MFile               /> of duplicates contained in <b>md5Pool</b>
+     */
     public Map<Integer, MFile> doubles(Map<Integer, MFile> md5Pool) {
         Map<Integer, MFile> doubles = new HashMap<>();
         int d = 0;

src/app/Tools.java

@@ -13,11 +13,12 @@ public class Tools {
 
 
     /**
-	 * @return Md5 of File at @param path
+     * @param path <i>String</i>
+     * @return Md5 of File at <b>path</b>
      */
     public String getMd5(String path) {
-		// output of md5sum: "md5 filepath"
+        // output of md5sum is "md5 filepath"
-		BufferedReader md5reader = x.execute(new String[] { "md5sum", path }).output;
+        BufferedReader md5reader = x.execute(new String[]{"md5sum", path}).output;
         String md5 = null;
         try {
             md5 = md5reader.readLine().split(" ")[0];

src/app/Write.java

@@ -4,13 +4,16 @@ import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileWriter;
 import java.util.Map;
+
 import app.Artifacts.MFile;
 
 public class Write {
 
     /**
-	 * writes <b>text</b> to file at <b>path</b>
+     * Write <b>text</b> to file at <b>path</b> .
-	 * <p>
+     *
+     * @param path <i>String</i>
+     * @param text <i>StringBuilder</i>
      */
     public void textFile(String path, StringBuilder text) {
         try {
@@ -24,11 +27,11 @@ public class Write {
 
 
     /**
-	 * append all elements of <b>pool</b> to StringBuilder and write to
+     * Append all elements of <b>pool</b> to <i>StringBuilder</i>
-	 * <b>/tmp/name</b>
+     * and write to /tmp/<b>name</b> .
-	 * <p>
      *
-	 * @param pool
+     * @param name <i>String</i>
+     * @param pool <i>Map< Integer, File /></i>
      */
     public void textPool(String name, Map<Integer, File> pool) {
         StringBuilder text = new StringBuilder();
@@ -40,11 +43,11 @@ public class Write {
 
 
     /**
-	 * append all elements of <b>md5Pool</b> to StringBuilder and write to
+     * Append all elements of <b>pool</b> to <i>StringBuilder</i>
-	 * <b>/tmp/name</b>
+     * and write to /tmp/<b>name</b> .
-	 * <p>
      *
-	 * @param md5Pool
+     * @param name    <i>String</i>
+     * @param md5Pool <i>Map< Integer, MFile /></i>
      */
     public void textMd5Pool(String name, Map<Integer, MFile> md5Pool) {
         StringBuilder text = new StringBuilder();