more refactoring

Author: lynnlangit

src/main/java/org/teachingextensions/logo/utils/MazeUtils/CoolMaze.java

@@ -15,7 +15,7 @@ public CoolMaze(int N)
     StdDraw.setXscale(0, N + 2);
     StdDraw.setYscale(0, N + 2);
     createMazeStructure();
-    generateStartLocation();
+    generateStartLocation(1, 1);
   }
   private void createMazeStructure()
   {
@@ -45,7 +45,7 @@ private void createMazeStructure()
       }
     }
   }
-  private void generate(int x, int y)
+  private void generateStartLocation(int x, int y)
   {
     visited[x][y] = true;
     while (!visited[x][y + 1] || !visited[x + 1][y] || !visited[x][y - 1] || !visited[x - 1][y])
@@ -57,37 +57,33 @@ private void generate(int x, int y)
         {
           north[x][y] = false;
           south[x][y + 1] = false;
-          generate(x, y + 1);
+          generateStartLocation(x, y + 1);
           break;
         }
         else if (r == 1 && !visited[x + 1][y])
         {
           east[x][y] = false;
           west[x + 1][y] = false;
-          generate(x + 1, y);
+          generateStartLocation(x + 1, y);
           break;
         }
         else if (r == 2 && !visited[x][y - 1])
         {
           south[x][y] = false;
           north[x][y - 1] = false;
-          generate(x, y - 1);
+          generateStartLocation(x, y - 1);
           break;
         }
         else if (r == 3 && !visited[x - 1][y])
         {
           west[x][y] = false;
           east[x - 1][y] = false;
-          generate(x - 1, y);
+          generateStartLocation(x - 1, y);
           break;
         }
       }
     }
   }
-  private void generateStartLocation()
-  {
-    generate(1, 1);
-  }
   private void solve(int x, int y)
   {
     if (x == 0 || y == 0 || x == N + 1 || y == N + 1)

src/main/java/org/teachingextensions/logo/utils/MazeUtils/StdDraw.java

@@ -629,7 +629,7 @@ private static void init()
     frame.setResizable(false);
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // closes all windows
     // frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);      // closes only current window
-    frame.setTitle("Standard Draw");
+    frame.setTitle("Amazing Maze!");
     frame.setJMenuBar(createMenuBar());
     frame.pack();
     frame.requestFocusInWindow();
@@ -643,8 +643,8 @@ private static JMenuBar createMenuBar()
     menuBar.add(menu);
     JMenuItem menuItem1 = new JMenuItem(" Save...   ");
     menuItem1.addActionListener(std);
-    menuItem1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, Toolkit.getDefaultToolkit()
-        .getMenuShortcutKeyMask()));
+    menuItem1.setAccelerator(
+        KeyStroke.getKeyStroke(KeyEvent.VK_S, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));
     menu.add(menuItem1);
     return menuBar;
   }
@@ -1730,8 +1730,8 @@ public static char nextKeyTyped()
   {
     synchronized (keyLock)
     {
-      if (keysTyped.isEmpty()) { throw new NoSuchElementException(
-          "your program has already processed all keystrokes"); }
+      if (keysTyped
+          .isEmpty()) { throw new NoSuchElementException("your program has already processed all keystrokes"); }
       return keysTyped.removeLast();
     }
   }