filter buttons can do everything but clear, not sure if logic is right with the model though. will be able to tell once filtering happens

assignments/a3/src/main/java/Controls.java

@@ -39,7 +39,7 @@ public class Controls extends JPanel implements Observer, Serializable
     {
       if (e.getSource() == star1)
       {
-        if (star1.isSelected())
+        if (!(star1.isSelected()))
         {
           star1.setSelected(false);
           star2.setSelected(false);
@@ -70,7 +70,7 @@ public class Controls extends JPanel implements Observer, Serializable
       }
       else if (e.getSource() == star2)
       {
-        if (star2.isSelected())
+        if (!(star2.isSelected()))
         {
           star1.setSelected(false);
           star2.setSelected(false);
@@ -101,7 +101,7 @@ public class Controls extends JPanel implements Observer, Serializable
       }
       else if (e.getSource() == star3)
       {
-        if (star3.isSelected())
+        if (!(star3.isSelected()))
         {
           star1.setSelected(false);
           star2.setSelected(false);
@@ -132,7 +132,7 @@ public class Controls extends JPanel implements Observer, Serializable
       }
       else if (e.getSource() == star4)
       {
-        if (star4.isSelected())
+        if (!(star4.isSelected()))
         {
           star1.setSelected(false);
           star2.setSelected(false);
@@ -163,7 +163,7 @@ public class Controls extends JPanel implements Observer, Serializable
       }
       else
       {
-        if (star5.isSelected())
+        if (!(star5.isSelected()))
         {
           star1.setSelected(false);
           star2.setSelected(false);