diff --git a/src/main/java/com/github/curriculeon/Instructor.java b/src/main/java/com/github/curriculeon/Instructor.java
new file mode 100644
index 0000000..035b5eb
--- /dev/null
+++ b/src/main/java/com/github/curriculeon/Instructor.java
@@ -0,0 +1,21 @@
+package com.github.curriculeon;
+
+public class Instructor extends Person implements Teacher {
+
+    public void teach(Learner learner, double numberOfHours) {
+
+        learner.learn(numberOfHours);
+    }
+
+    public void lecture(Learner[] learners, double numberOfHours) {
+
+        double numberOfHoursPerLearner = numberOfHours / learners.length;
+
+        for(int i=0;i<learners.length;i++)
+        {
+            learners[i].learn(numberOfHoursPerLearner);
+        }
+    }
+}
+
+
diff --git a/src/main/java/com/github/curriculeon/Learner.java b/src/main/java/com/github/curriculeon/Learner.java
new file mode 100644
index 0000000..42d5975
--- /dev/null
+++ b/src/main/java/com/github/curriculeon/Learner.java
@@ -0,0 +1,8 @@
+package com.github.curriculeon;
+
+public interface Learner {
+
+    public void learn(double numberofhours);
+
+    public Double getStudyTotalTime();
+}
diff --git a/src/main/java/com/github/curriculeon/People.java b/src/main/java/com/github/curriculeon/People.java
new file mode 100644
index 0000000..3ccf16f
--- /dev/null
+++ b/src/main/java/com/github/curriculeon/People.java
@@ -0,0 +1,5 @@
+package com.github.curriculeon;
+
+public class People {
+
+}
diff --git a/src/main/java/com/github/curriculeon/Person.java b/src/main/java/com/github/curriculeon/Person.java
index 3c8350b..5229d22 100644
--- a/src/main/java/com/github/curriculeon/Person.java
+++ b/src/main/java/com/github/curriculeon/Person.java
@@ -1,5 +1,31 @@
 package com.github.curriculeon;
 
 public class Person {
+    final long id1=0L;
+    String name1="something";
+
+    public Person(){};
+
+    public Person(long id, String name )
+    {
+        name1=name;
+    }
+
+    public Person(String name1) {
+        this.name1 = name1;
+    }
+
+    public long getid()
+    {
+         return(id1);
+    }
+    public String getname()
+    {
+        return(name1);
+    }
+    public void setname(String name)
+    {
+        name1=name;
+    }
 
 }
diff --git a/src/main/java/com/github/curriculeon/Student.java b/src/main/java/com/github/curriculeon/Student.java
new file mode 100644
index 0000000..79038c3
--- /dev/null
+++ b/src/main/java/com/github/curriculeon/Student.java
@@ -0,0 +1,14 @@
+package com.github.curriculeon;
+
+public  class Student extends Person implements Learner {
+
+    public double totalStudyTime;
+
+    public void learn(double numberOfHours) {
+        totalStudyTime = totalStudyTime + numberOfHours;
+    }
+
+    public Double getStudyTotalTime() {
+        return totalStudyTime;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/github/curriculeon/Teacher.java b/src/main/java/com/github/curriculeon/Teacher.java
new file mode 100644
index 0000000..35a581d
--- /dev/null
+++ b/src/main/java/com/github/curriculeon/Teacher.java
@@ -0,0 +1,7 @@
+package com.github.curriculeon;
+
+public interface Teacher {
+    void teach(Learner learner, double numberOfHours);
+
+    void lecture(Learner[] learners, double numberOfHours);
+}
diff --git a/src/test/java/com/github/curriculeon/TestInstructor.java b/src/test/java/com/github/curriculeon/TestInstructor.java
new file mode 100644
index 0000000..6e60e4b
--- /dev/null
+++ b/src/test/java/com/github/curriculeon/TestInstructor.java
@@ -0,0 +1,55 @@
+package com.github.curriculeon;
+import org.junit.Assert;
+import org.junit.Test;
+
+
+
+public class TestInstructor {
+ @Test
+ public void testimplementation() {
+  Instructor i = new Instructor();
+  boolean a = i instanceof Teacher;
+  //then
+  Assert.assertTrue(a);
+ }
+
+ @Test
+ public void testInheritance() {
+  Instructor i = new Instructor();
+  boolean a = i instanceof Person;
+  //then
+  Assert.assertTrue(a);
+ }
+
+ @Test
+ public void testteach() {
+  //given
+  double expectedStudyTime = 4;
+  double numberofHours = 4;
+  double delta = 0;
+  Instructor i = new Instructor();
+  Student s = new Student();
+
+  i.teach(s, numberofHours);
+  double actualStudytime = s.getStudyTotalTime();
+
+  //then
+  Assert.assertEquals(expectedStudyTime, actualStudytime, delta);
+
+
+ }
+
+ /**public void testlecture() {
+  double numberofHours = 5;
+
+  Learner[] learners = new Learner[]{
+          new Student(0L, "Leon"),
+          new Student(1L, "Christopher"),
+          new Student(2L, "Hunter"),
+  };
+
+  Instructor i = new Instructor();
+  i.lecture(learners, numberofHours);
+ } */
+}
+
diff --git a/src/test/java/com/github/curriculeon/TestPerson.java b/src/test/java/com/github/curriculeon/TestPerson.java
index 6c523fe..c9698cc 100644
--- a/src/test/java/com/github/curriculeon/TestPerson.java
+++ b/src/test/java/com/github/curriculeon/TestPerson.java
@@ -1,5 +1,39 @@
 package com.github.curriculeon;
 
+
+import org.junit.Assert;
+import org.junit.Test;
+
 public class TestPerson {
+    @Test
+    public void testConstructor() {
+        // given
+        long expectedId = 0L;
+        String expectedName = "Some name";
+
+        // when
+        Person person = new Person(expectedId,expectedName);
+        long actualId = person.getid();
+        String actualName = person.getname();
+
+        // then
+        Assert.assertEquals(expectedId, actualId);
+        Assert.assertEquals(expectedName, actualName);
+    }
+    @Test
+    public void testSetName() {
+        // given
+        Person person = new Person(0L, null);
+        String expectedName = "Testing";
 
+
+
+        // when
+        person.setname(expectedName);
+        String actualName = person.getname();
+
+        // then
+        Assert.assertEquals(expectedName, actualName);
+    }
 }
+
diff --git a/src/test/java/com/github/curriculeon/TestStudent.java b/src/test/java/com/github/curriculeon/TestStudent.java
new file mode 100644
index 0000000..412a3bd
--- /dev/null
+++ b/src/test/java/com/github/curriculeon/TestStudent.java
@@ -0,0 +1,47 @@
+package com.github.curriculeon;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestStudent
+{
+    @Test
+    public void testimplementation()
+    {
+        Student s = new Student();
+
+        Boolean a= s instanceof Learner;
+
+        //then
+        Assert.assertTrue(a);
+    }
+
+    @Test
+    public void testinheritance()
+    {
+        Student s = new Student();
+
+        Boolean a= s instanceof Person;
+        
+        //then
+        Assert.assertTrue(a);
+
+    }
+
+    @Test
+    public void testlearn()
+    {
+         //given
+         double expectedStudyTime = 4;
+         double numberofHours =4;
+         double delta =0;
+
+         //when
+         Student st = new Student();
+         st.learn(numberofHours);
+         double actualStudytime = st.getStudyTotalTime();
+
+          //then
+          Assert.assertEquals(expectedStudyTime, actualStudytime,delta);
+    }
+}