diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 00000000..26d33521 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 00000000..e37052f0 --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 00000000..63e90019 --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 00000000..712ab9d9 --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,20 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/libraries/Maven__junit_junit_4_12.xml b/.idea/libraries/Maven__junit_junit_4_12.xml new file mode 100644 index 00000000..d4110417 --- /dev/null +++ b/.idea/libraries/Maven__junit_junit_4_12.xml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 00000000..f58bbc11 --- /dev/null +++ b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 00000000..c25c320e --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,11 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 00000000..711b3a53 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml new file mode 100644 index 00000000..e96534fb --- /dev/null +++ b/.idea/uiDesigner.xml @@ -0,0 +1,124 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 00000000..94a25f7f --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/interfaces-1.iml b/interfaces-1.iml new file mode 100644 index 00000000..cba8d6b0 --- /dev/null +++ b/interfaces-1.iml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/pom.xml b/pom.xml index f0effe12..b69da293 100644 --- a/pom.xml +++ b/pom.xml @@ -5,6 +5,18 @@ io.zipcoder interfaces-1 0.0.1-SNAPSHOT + + + + org.apache.maven.plugins + maven-compiler-plugin + + 15 + 15 + + + + jar interfaces-1 diff --git a/src/main/java/io/zipcoder/interfaces/Educator.java b/src/main/java/io/zipcoder/interfaces/Educator.java new file mode 100644 index 00000000..cd8654c2 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Educator.java @@ -0,0 +1,33 @@ +package io.zipcoder.interfaces; + +public enum Educator implements Teacher{ + + LEON (new Instructor(1L, "Leon")), + DOLIO (new Instructor(2L, "Dolio")), + DAN (new Instructor(3L, "Dan")), + KRIS (new Instructor(4L, "Kris")); + + private final Instructor instructor; + double timeWorked; + + Educator(Instructor instructor) { + this.instructor = instructor; + } + + @Override + public void teach(Learner learner, double numberOfHours) { + this.instructor.teach(learner, numberOfHours); + timeWorked += numberOfHours; + } + + @Override + public void lecture(Learner[] learners, double numberOfHours) { + Students students = Students.getInstance(); + this.instructor.lecture(learners, numberOfHours); + timeWorked += numberOfHours / students.personList.size(); + } + + public double getTimeWorked() { + return timeWorked; + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Instructor.java b/src/main/java/io/zipcoder/interfaces/Instructor.java new file mode 100644 index 00000000..45b1db33 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Instructor.java @@ -0,0 +1,24 @@ +package io.zipcoder.interfaces; + +public class Instructor extends Person implements Teacher{ + + Learner[] learners; + double numberOfHoursPerLearner; + + public Instructor(long id, String name) { + super(id, name); + } + + @Override + public void teach(Learner learner, double numberOfHours) { + learner.learn(numberOfHours); + } + + @Override + public void lecture(Learner[] learners, double numberOfHours) { + numberOfHoursPerLearner = numberOfHours / learners.length; + for(Learner element : learners) { + element.learn(numberOfHoursPerLearner); + } + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Instructors.java b/src/main/java/io/zipcoder/interfaces/Instructors.java new file mode 100644 index 00000000..947685cb --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Instructors.java @@ -0,0 +1,20 @@ +package io.zipcoder.interfaces; + +public class Instructors extends People { + + private static final Instructors INSTANCE = new Instructors(); + + private Instructors() { + this.add(new Instructor(1L, "Leon")); + this.add(new Instructor(2L, "Dolio")); + this.add(new Instructor(3L, "Dan")); + this.add(new Instructor(4L, "Kris")); + } + + public static Instructors getInstance() { return INSTANCE; } + + @Override + public Instructor[] getArray() { + return super.personList.toArray(new Instructor[0]); + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Learner.java b/src/main/java/io/zipcoder/interfaces/Learner.java new file mode 100644 index 00000000..3cce0328 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Learner.java @@ -0,0 +1,9 @@ +package io.zipcoder.interfaces; + +public interface Learner { + + void learn(double numberOfHours); + + Double getTotalStudyTime(); + +} diff --git a/src/main/java/io/zipcoder/interfaces/People.java b/src/main/java/io/zipcoder/interfaces/People.java new file mode 100644 index 00000000..26201ecd --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/People.java @@ -0,0 +1,53 @@ +package io.zipcoder.interfaces; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +public abstract class People implements Iterable{ + + List personList = new ArrayList<>(); + + public void add(E person) { + personList.add(person); + } + + public E findByID(Long id) { + for (E person : personList) + if (person.getId() == (id)) + return person; + return null; + } + + public boolean contains(E person) { + if(personList.contains(person)) + return true; + return false; + } + + public void remove(E person) { + if(contains(person)) { + personList.remove(person); + } + } + + public void removeById(Long id) { + E person = findByID(id); + remove(person); + } + + public void removeAll() { + personList.clear(); + } + + public Integer count() { + return personList.size(); + } + + public abstract E[] getArray(); + + public Iterator iterator() { + return personList.iterator(); + } + +} diff --git a/src/main/java/io/zipcoder/interfaces/Person.java b/src/main/java/io/zipcoder/interfaces/Person.java index fc6a3ffe..f19516df 100644 --- a/src/main/java/io/zipcoder/interfaces/Person.java +++ b/src/main/java/io/zipcoder/interfaces/Person.java @@ -2,4 +2,25 @@ public class Person { + private final long id; + private String name; + + + public Person(long id, String name) { + this.id = id; + this.name = name; + } + + public long getId() { + return id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + } diff --git a/src/main/java/io/zipcoder/interfaces/Student.java b/src/main/java/io/zipcoder/interfaces/Student.java new file mode 100644 index 00000000..26f7cf9d --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Student.java @@ -0,0 +1,21 @@ +package io.zipcoder.interfaces; + +public class Student extends Person implements Learner{ + + private double totalStudyTime = 0.0; + + public Student(long id, String name) { + super(id, name); + } + + @Override + public void learn(double numberOfHours) { + + totalStudyTime = getTotalStudyTime() + numberOfHours; + } + + @Override + public Double getTotalStudyTime() { + return totalStudyTime; + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Students.java b/src/main/java/io/zipcoder/interfaces/Students.java new file mode 100644 index 00000000..c6e0c2bd --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Students.java @@ -0,0 +1,20 @@ +package io.zipcoder.interfaces; + +public class Students extends People{ + + private static final Students INSTANCE = new Students(); + + private Students() { + this.add(new Student(1L, "Jen")); + this.add(new Student(2L, "Dee")); + this.add(new Student(3L, "Zach")); + this.add(new Student(5L, "Nick")); + } + + public static Students getInstance() { return INSTANCE; } + + @Override + public Student[] getArray() { + return super.personList.toArray(new Student[0]); + } +} diff --git a/src/main/java/io/zipcoder/interfaces/Teacher.java b/src/main/java/io/zipcoder/interfaces/Teacher.java new file mode 100644 index 00000000..fad489d6 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/Teacher.java @@ -0,0 +1,9 @@ +package io.zipcoder.interfaces; + +public interface Teacher { + + void teach(Learner learner, double numberOfHours); + + void lecture(Learner[] learners, double numberOfHours); + +} diff --git a/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java b/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java new file mode 100644 index 00000000..c5048569 --- /dev/null +++ b/src/main/java/io/zipcoder/interfaces/ZipCodeWilmington.java @@ -0,0 +1,30 @@ +package io.zipcoder.interfaces; + +import java.util.HashMap; +import java.util.Map; + +public enum ZipCodeWilmington{ + + INSTANCE; + Students classroom = Students.getInstance(); + Instructors instructors = Instructors.getInstance(); + + public void hostLecture(Teacher teacher, double numberOfHours) { + teacher.lecture(classroom.getArray(), numberOfHours); + } + + public void hostLecture(long id, double numberOfHours) { + Teacher teacher = instructors.findByID(id); + hostLecture(teacher, numberOfHours); + } + + public Map getStudyMap() { + Map studyMap = new HashMap<>(); + for(Student student : classroom) { + studyMap.put(student, student.getTotalStudyTime()); + } + return studyMap; + } + + +} diff --git a/src/test/java/io/zipcoder/interfaces/TestEducator.java b/src/test/java/io/zipcoder/interfaces/TestEducator.java new file mode 100644 index 00000000..dd859629 --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestEducator.java @@ -0,0 +1,58 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +public class TestEducator { + + @Test + public void testImplementation() { + Educator educator = Educator.LEON; + Assert.assertTrue(educator instanceof Teacher); + } + + @Test + public void testTeach() { + //given + Educator educator = Educator.LEON; + double numberOfHours = 6.0; + Learner learner = new Student(0, "Stephen"); + //when + educator.teach(learner, numberOfHours); + double actualLearnerHours = learner.getTotalStudyTime(); + double actualTimeWorked = educator.getTimeWorked(); + //then + Assert.assertEquals(numberOfHours, actualLearnerHours, 0.0); + Assert.assertEquals(numberOfHours, actualTimeWorked, 0.0); + } + + @Test + public void testLecture() { + //given + Educator educator = Educator.LEON; + Students students = Students.getInstance(); + double numberOfHours = 20.0; + double expected = 5.0; + //when + educator.lecture(students.getArray(), numberOfHours); + double actualStudentHoursLearned = students.findByID(1L).getTotalStudyTime(); + double actualTimeWorked = educator.getTimeWorked(); + //then + Assert.assertEquals(expected, actualStudentHoursLearned, 0.001); + Assert.assertEquals(expected, actualTimeWorked, 0.001); + } + + @Test + public void testGetHoursWorked() { + //given + Educator educator = Educator.DOLIO; + double expected = 5.0; + Students students = Students.getInstance(); + //when + educator.teach(students.findByID(1L), expected); + double actual = educator.getTimeWorked(); + //then + Assert.assertEquals(expected, actual, 0.01); + } + +} diff --git a/src/test/java/io/zipcoder/interfaces/TestInstructor.java b/src/test/java/io/zipcoder/interfaces/TestInstructor.java new file mode 100644 index 00000000..d0b803b1 --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestInstructor.java @@ -0,0 +1,54 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +public class TestInstructor { + + @Test + public void testImplementation() { + Instructor instructor = new Instructor(0, "Kyle"); + Assert.assertTrue(instructor instanceof Teacher); + } + + @Test + public void testInheritance() { + Instructor instructor = new Instructor(0, "Liz"); + Assert.assertTrue(instructor instanceof Person); + } + + @Test + public void testTeach() { + //given + double expected = 8.0; + Instructor instructor = new Instructor(0, "Leon"); + Learner learner = new Student(0, "Stephen"); + //when + instructor.teach(learner, 8.0); + double actual = learner.getTotalStudyTime(); + //then + Assert.assertEquals(expected, actual, 0.001); + } + + @Test + public void testLecture() { + //given + double expected1 = 5.0; + double expected2 = 5.0; + double expected3 = 5.0; + Learner learner1 = new Student(0, "Sabrina"); + Learner learner2 = new Student(1, "Nicolette"); + Learner learner3 = new Student(2, "Jason"); + //when + Instructor instructor = new Instructor(0, "Ted"); + Learner[] learners = new Learner[]{learner1, learner2, learner3}; + instructor.lecture(learners, 15); + double actual1 = learner1.getTotalStudyTime(); + double actual2 = learner2.getTotalStudyTime(); + double actual3 = learner3.getTotalStudyTime(); + //then + Assert.assertEquals(expected1, actual1, 0.001); + Assert.assertEquals(expected2, actual2, 0.001); + Assert.assertEquals(expected3, actual3, 0.001); + } +} diff --git a/src/test/java/io/zipcoder/interfaces/TestInstructors.java b/src/test/java/io/zipcoder/interfaces/TestInstructors.java new file mode 100644 index 00000000..cabda83a --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestInstructors.java @@ -0,0 +1,18 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +public class TestInstructors { + + @Test + public void testInstance() { + //given + int expected = 4; + Instructors instance = Instructors.getInstance(); + //when + int actual = instance.personList.size(); + //then + Assert.assertEquals(expected, actual); + } +} diff --git a/src/test/java/io/zipcoder/interfaces/TestPeople.java b/src/test/java/io/zipcoder/interfaces/TestPeople.java new file mode 100644 index 00000000..d90f346f --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestPeople.java @@ -0,0 +1,41 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +public class TestPeople { + + People people = Students.getInstance(); + + @Test + public void testAdd() { + //given + Person person = new Person(0L, "Bo"); + //when + people.add(person); + //then + Assert.assertTrue(people.contains(person)); + } + + @Test + public void testRemove() { + //given + Person person = new Person(0L, "Bo"); + //when + people.add(person); + people.remove(person); + //then + Assert.assertFalse(people.contains(person)); + } + + @Test + public void testFindById() { + //given + Person person = new Person(6L, "Stewart"); + //when + people.add(person); + Person actual = people.findByID(6L); + //then + Assert.assertEquals(person, actual); + } +} diff --git a/src/test/java/io/zipcoder/interfaces/TestPerson.java b/src/test/java/io/zipcoder/interfaces/TestPerson.java index d64cd2f0..706eaff9 100644 --- a/src/test/java/io/zipcoder/interfaces/TestPerson.java +++ b/src/test/java/io/zipcoder/interfaces/TestPerson.java @@ -1,5 +1,33 @@ package io.zipcoder.interfaces; +import org.junit.Assert; +import org.junit.Test; + public class TestPerson { + @Test + public void testConstructor() { + //given + long expectedId = 0; + String expectedName = "Tyler"; + //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 + String expectedName = "Stephen"; + //when + Person person = new Person(0, expectedName); + String actualName = person.getName(); + //then + Assert.assertEquals(expectedName, actualName); + } + } diff --git a/src/test/java/io/zipcoder/interfaces/TestStudent.java b/src/test/java/io/zipcoder/interfaces/TestStudent.java new file mode 100644 index 00000000..79c44437 --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestStudent.java @@ -0,0 +1,34 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +import static org.junit.Assert.assertTrue; + +public class TestStudent { + + @Test + public void testInstanceOfLearner() { + Student student = new Student(0, "Jackson"); + assertTrue(student instanceof Learner); + } + + @Test + public void testInstanceOfPerson() { + Student student = new Student(0, "Ryland"); + assertTrue(student instanceof Person); + } + + @Test + public void testLearn() { + //given + double expected = 3.5; + Student student = new Student(0, "Candace"); + //when + student.learn(3.5); + double actual = student.getTotalStudyTime(); + //then + Assert.assertEquals(expected, actual, 0.001); + + } +} diff --git a/src/test/java/io/zipcoder/interfaces/TestStudents.java b/src/test/java/io/zipcoder/interfaces/TestStudents.java new file mode 100644 index 00000000..9fe3b94e --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestStudents.java @@ -0,0 +1,18 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +public class TestStudents { + + @Test + public void testInstance() { + //given + int expected = 4; + Students instance = Students.getInstance(); + //when + int actual = instance.personList.size(); + //then + Assert.assertEquals(expected, actual); + } +} diff --git a/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java b/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java new file mode 100644 index 00000000..f848556e --- /dev/null +++ b/src/test/java/io/zipcoder/interfaces/TestZipCodeWilmington.java @@ -0,0 +1,35 @@ +package io.zipcoder.interfaces; + +import org.junit.Assert; +import org.junit.Test; + +public class TestZipCodeWilmington { + + @Test + public void testHostLecture() { + //given + long id = 1L; + double numberOfHours = 20.0; + Double expected = 5.0; + Students students = Students.getInstance(); + //when + ZipCodeWilmington.INSTANCE.hostLecture(id, numberOfHours); + Double actual = ZipCodeWilmington.INSTANCE.getStudyMap().get(students.findByID(1L)); + //then + Assert.assertEquals(expected, actual); + } + + @Test + public void testHostLectureUsingEducator() { + //given + Educator educator = Educator.DAN; + double numberOfHours = 20.0; + Double expected = 5.0; + Students students = Students.getInstance(); + //when + ZipCodeWilmington.INSTANCE.hostLecture(educator, numberOfHours); + Double actual = ZipCodeWilmington.INSTANCE.getStudyMap().get(students.findByID(1L)); + //then + Assert.assertEquals(expected, actual); + } +}