diff --git a/Animal.java b/Animal.java
new file mode 100644
index 0000000..081e00d
--- /dev/null
+++ b/Animal.java
@@ -0,0 +1,3 @@
+public abstract class Animal{
+    
+}
\ No newline at end of file
diff --git a/Bird.java b/Bird.java
new file mode 100644
index 0000000..c38dead
--- /dev/null
+++ b/Bird.java
@@ -0,0 +1,3 @@
+public abstract class Bird extends Animal {
+
+}
diff --git a/Cheetah.java b/Cheetah.java
new file mode 100644
index 0000000..d76ac6b
--- /dev/null
+++ b/Cheetah.java
@@ -0,0 +1,3 @@
+public class Cheetah extends Mamal implements Hunter {
+
+}
diff --git a/Eagle.java b/Eagle.java
new file mode 100644
index 0000000..e6b7824
--- /dev/null
+++ b/Eagle.java
@@ -0,0 +1,3 @@
+public class Eagle extends Bird implements Hunter {
+    
+}
diff --git a/Girafe.java b/Girafe.java
new file mode 100644
index 0000000..fba6a4d
--- /dev/null
+++ b/Girafe.java
@@ -0,0 +1,3 @@
+public class Girafe extends Mamal implements Prey {
+
+}
diff --git a/Hunter.java b/Hunter.java
new file mode 100644
index 0000000..f6bd75b
--- /dev/null
+++ b/Hunter.java
@@ -0,0 +1,3 @@
+public interface Hunter {
+    
+}
diff --git a/Mamal.java b/Mamal.java
new file mode 100644
index 0000000..dbb900f
--- /dev/null
+++ b/Mamal.java
@@ -0,0 +1,3 @@
+public abstract class Mamal extends Animal {
+
+}
diff --git a/Parrot.java b/Parrot.java
new file mode 100644
index 0000000..3089c3a
--- /dev/null
+++ b/Parrot.java
@@ -0,0 +1,3 @@
+public class Parrot extends Bird implements Prey{
+    
+}
diff --git a/Prey.java b/Prey.java
new file mode 100644
index 0000000..7fc9514
--- /dev/null
+++ b/Prey.java
@@ -0,0 +1,3 @@
+public interface Prey {
+
+}