Usando principios Solid

interface_segregation/bad/src/Bird.java

@@ -2,6 +2,5 @@
  * Created by mrk on 4/7/14.
  */
 public interface Bird {
-    public void fly();
     public void molt();
 }

interface_segregation/bad/src/Eagle.java

@@ -1,7 +1,7 @@
 /**
  * Created by mrk on 4/7/14.
  */
-public class Eagle implements Bird {
+public class Eagle implements Bird, FlyBird {
     String currentLocation;
     int numberOfFeathers;
 

interface_segregation/bad/src/FlyBird.java

@@ -0,0 +1,4 @@
+
+public interface FlyBird {
+    public void fly();
+}

interface_segregation/bad/src/Penguin.java

@@ -1,7 +1,7 @@
 /**
  * Created by mrk on 4/7/14.
  */
-public class Penguin implements Bird {
+public class Penguin implements Bird, SwimBird {
     String currentLocation;
     int numberOfFeathers;
 
@@ -13,10 +13,6 @@ public void molt() {
         this.numberOfFeathers -= 1;
     }
 
-    public void fly() {
-        throw new UnsupportedOperationException();
-    }
-
     public void swim() {
         this.currentLocation = "in the water";
     }

interface_segregation/bad/src/SwimBird.java

@@ -0,0 +1,3 @@
+public interface Bird {
+    public void swim();
+}

liskov_substitution/bad/src/BedroomAdder.java

@@ -0,0 +1,5 @@
+public class BedroomAdder {
+	public void addBedroom(PenthouseSuite penthouse){
+		penthouse.numberOfBedrooms +=1;
+	}
+}

liskov_substitution/bad/src/PenthouseSuite.java

@@ -1,7 +1,10 @@
 /**
  * Created by mrk on 4/8/14.
  */
-public class PenthouseSuite extends Apartment {
+public class PenthouseSuite {
+	int squareFootage;
+	int numberOfBedrooms;
+
     public PenthouseSuite() {
         this.numberOfBedrooms = 4;
     }

liskov_substitution/bad/src/Studio.java

@@ -1,7 +1,10 @@
 /**
  * Created by mrk on 4/8/14.
  */
-public class Studio extends Apartment {
+public class Studio {
+	int squareFootage;
+	int numberOfRooms;
+
     public Studio() {
         this.numberOfBedrooms = 0;
     }