added javadocs in InvalidFileFormatException, InvalidTrackFormatException, Track, UserInterface and Main. Enhanced Game methods

src/main/java/ch/zhaw/pm2/racetrack/Game.java

@@ -6,6 +6,7 @@ import ch.zhaw.pm2.racetrack.strategy.*;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import static ch.zhaw.pm2.racetrack.PositionVector.Direction;
@@ -35,9 +36,7 @@ public class Game implements GameSpecification {
     public boolean initPhase() {
         if (config.getTrackDirectory().listFiles().length > 0) {
             List<String> tracks = new ArrayList<>();
-            for (String file : config.getTrackDirectory().list()) {
-                tracks.add(file);
-            }
+            tracks.addAll(Arrays.asList(config.getTrackDirectory().list()));
 
             File selectedTrack = config.getTrackDirectory().listFiles()[userInterface.selectOption("Select Track file", tracks)];
             try {
@@ -62,22 +61,11 @@ public class Game implements GameSpecification {
                     int moveStrategie = userInterface.selectOption(
                         "Select Strategy for Car " + carIndex + " (" + track.getCarId(carIndex) + ")", moveStrategies);
                     switch (moveStrategie) {
-                        case 0:
-                            moveStrategy = new DoNotMoveStrategy();
-                            break;
-                        case 1:
-                            moveStrategy = new UserMoveStrategy(userInterface, carIndex, track.getCarId(carIndex));
-                            break;
-                        case 2:
-                            moveStrategy = getMoveListStrategy(selectedTrack, carIndex);
-                            break;
-                        case 3:
-                            moveStrategy = getPathFollowerMoveStrategy(selectedTrack, carIndex);
-
-                            break;
-                        case 4:
-                            moveStrategy = new PathFinderMoveStrategy(track, carIndex);
-                            break;
+                        case 0 -> moveStrategy = new DoNotMoveStrategy();
+                        case 1 -> moveStrategy = new UserMoveStrategy(userInterface, carIndex, track.getCarId(carIndex));
+                        case 2 -> moveStrategy = getMoveListStrategy(selectedTrack, carIndex);
+                        case 3 -> moveStrategy = getPathFollowerMoveStrategy(selectedTrack, carIndex);
+                        case 4 -> moveStrategy = new PathFinderMoveStrategy(track, carIndex);
                     }
                 }
                 selectMoveStrategy(car, moveStrategy);

src/main/java/ch/zhaw/pm2/racetrack/InvalidFileFormatException.java

@@ -1,7 +1,7 @@
 package ch.zhaw.pm2.racetrack;
 
 /**
- * Class for Exception when invalid file format is used.
+ * Class for Exception when an invalid file format is used.
  */
 public class InvalidFileFormatException extends Exception {
     public InvalidFileFormatException() {

src/main/java/ch/zhaw/pm2/racetrack/InvalidTrackFormatException.java

@@ -4,11 +4,17 @@ package ch.zhaw.pm2.racetrack;
  * Class for Exception when invalid track format is used.
  */
 public class InvalidTrackFormatException extends Exception {
+    public InvalidTrackFormatException() {
+        super();
+    }
+
+    /**
+     * Constructor that is used when an error message is given with the exception.
+     *
+     * @param errorMessage is the message to be displayed
+     */
     public InvalidTrackFormatException(String errorMessage) {
         super(errorMessage);
     }
 
-    public InvalidTrackFormatException() {
-        super();
-    }
 }

src/main/java/ch/zhaw/pm2/racetrack/Main.java

@@ -3,8 +3,19 @@ package ch.zhaw.pm2.racetrack;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * Class containing the main method
+ *
+ * @author Roman Schenk
+ */
 public class Main {
-
+    /**
+     * Method creating the game and initializing the Configs and Userinterface.
+     * Starts and initializes a new game until the user decides to stop the game.
+     * In charge of closing the user interface when user decides to stop the game
+     *
+     * @param args no arguments needed
+     */
     public static void main(String[] args) {
         UserInterface userInterface = new UserInterface("Hello and Welcome to Racetrack by Team02-\"AngryNerds\"");
         Config config = new Config();

src/main/java/ch/zhaw/pm2/racetrack/PositionVector.java

@@ -7,8 +7,8 @@ package ch.zhaw.pm2.racetrack;
  * Created by mach 21.01.2020
  */
 public final class PositionVector {
-    private final int x; // horizontal component (position / velocity)
-    private final int y; // vertical component (position / velocity)
+    private int x; // horizontal component (position / velocity)
+    private int y; // vertical component (position / velocity)
 
     /**
      * Enum representing a direction on the track grid.
@@ -33,7 +33,6 @@ public final class PositionVector {
 
     /**
      * Adds two PositionVectors (e.g. car position and velocity vector or two velocity vectors).
-     *
      * @param vectorA A position or velocity vector
      * @param vectorB A position or velocity vector
      * @return A new PositionVector holding the result of the addition. If both
@@ -46,7 +45,6 @@ public final class PositionVector {
 
     /**
      * Subtracts two PositionVectors (e.g. car position and velocity vector or two velocity vectors).
-     *
      * @param vectorA A position or velocity vector
      * @param vectorB A position or velocity vector
      * @return A new PositionVector holding the result of the addition. If both
@@ -60,7 +58,6 @@ public final class PositionVector {
     /**
      * Calculates the scalar product (Skalarprodukt) of two 2D vectors. The scalar product
      * multiplies the lengths of the parallel components of the vectors.
-     *
      * @param vectorA A position or velocity vector
      * @param vectorB A position or velocity vector
      * @return The scalar product (vectorA * vectorB). Since vectorA and
@@ -78,7 +75,6 @@ public final class PositionVector {
 
     /**
      * Copy constructor
-     *
      * @param other
      */
     public PositionVector(final PositionVector other) {

src/main/java/ch/zhaw/pm2/racetrack/Track.java

@@ -45,7 +45,7 @@ import java.util.Scanner;
  *       There are 1 to {@link Config#MAX_CARS} allowed. </li>
  * </ul>
  *
- * <p>All lines must have the same length, used to initialize the grid width).
+ * <p>All lines must have the same length, used to initialize the grid width.
  * Beginning empty lines are skipped.
  * The tracks ends with the first empty line or the file end.<br>
  * An {@link InvalidTrackFormatException} is thrown, if
@@ -122,7 +122,6 @@ public class Track implements TrackSpecification {
                 }
             }
         }
-
     }
 
     /**
@@ -473,8 +472,6 @@ public class Track implements TrackSpecification {
                     }
                     break;
             }
-
-
         }
         return 0;
     }