From 9edf403b2b6ad43a14fea6bc1794a6e9200cd56e Mon Sep 17 00:00:00 2001
From: Kevin Thaller <kevin.thaller@stud.th-deg.de>
Date: Mon, 23 May 2022 13:24:23 +0200
Subject: [PATCH] first take on logic
---
.idea/misc.xml | 2 +-
src/Calcuable.java | 3 +-
src/Course.java | 15 ++++-
src/Lecturer.java | 19 +++---
src/Main.java | 43 ++++++++++++-
src/Student.java | 91 +++++++++++++++++++--------
src/UniversityMember.java | 45 ++++++++++---
src/enumeration/BachelorDegree.java | 3 +-
src/enumeration/BachelorSemester.java | 6 ++
src/enumeration/Mark.java | 11 ++--
10 files changed, 185 insertions(+), 53 deletions(-)
diff --git a/.idea/misc.xml b/.idea/misc.xml
index e0844bc..6ff90d3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
- <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+ <component name="ProjectRootManager" version="2" languageLevel="JDK_12" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>
\ No newline at end of file
diff --git a/src/Calcuable.java b/src/Calcuable.java
index 03e1ec7..4af953b 100644
--- a/src/Calcuable.java
+++ b/src/Calcuable.java
@@ -1,5 +1,6 @@
public interface Calcuable
{
double calculateAverage();
- int calculateMedian();
+ int calculateMedian(); //Wird vielleicht spaeter benoetigt
+ double calculateModus();
}
diff --git a/src/Course.java b/src/Course.java
index 2a4c8ef..119fad3 100644
--- a/src/Course.java
+++ b/src/Course.java
@@ -25,8 +25,19 @@ public class Course
this.examType = examType;
}
- public void setGrade(Mark mark)
- {
+ public int getId(){
+ return id;
+ }
+ @Override
+ public String toString() {
+ return "\nCourse: " +
+ "id=" + id +
+ ", name='" + name + '\'' +
+ ", bachelorSemester=" + bachelorSemester +
+ ", courseType=" + courseType +
+ ", sws=" + sws +
+ ", ects=" + ects +
+ ", examType=" + examType;
}
}
diff --git a/src/Lecturer.java b/src/Lecturer.java
index 39d5d2b..176cc8f 100644
--- a/src/Lecturer.java
+++ b/src/Lecturer.java
@@ -1,21 +1,22 @@
import enumeration.Gender;
+import enumeration.Mark;
import enumeration.Status;
import java.util.List;
-public class Lecturer extends UniversityMember
-{
+public class Lecturer extends UniversityMember {
public Lecturer(int id, String firstName, String lastName, String placeOfResidence, String birthPlace,
- String officialEmail, String privateEmail, List<Course> personalCourses,
- boolean isSignedUpForCourse, Gender gender, Status status)
- {
+ String officialEmail, String privateEmail, List<Course> personalCourses, Gender gender, Status status) {
super(id, gender, firstName, lastName, placeOfResidence, birthPlace,
- officialEmail, privateEmail, personalCourses, isSignedUpForCourse);
+ officialEmail, privateEmail, personalCourses);
}
- @Override
- public boolean signUpForCourse(Course course)
- {
+ public boolean rateStudent(Student student, Course course, Mark mark) {
+ if (isSignedUpForCourse(course)) {
+ return student.setGrade(course, mark);
+ }
return false;
}
+
+
}
diff --git a/src/Main.java b/src/Main.java
index 3e59c38..4e1145b 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,5 +1,46 @@
+import enumeration.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
public class Main {
public static void main(String[] args) {
- System.out.println("Hello world!");
+
+
+ List<Course> kevCourses = new ArrayList<>();
+
+ Course a1 = new Course(1, "test1", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+ Course a2 = new Course(2, "test2", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+ Course a3 = new Course(3, "test3", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+ Course a4 = new Course(4, "test4", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+ Course a5 = new Course(4, "test4", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+ Course a6 = new Course(4, "test4", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+ Course a7 = new Course(4, "test4", BachelorSemester.FIFTH, CourseType.COMPULSORY, 5, 5.5, ExamType.ASSIGNMENT);
+
+ kevCourses.add(a1);
+ kevCourses.add(a2);
+ kevCourses.add(a3);
+ kevCourses.add(a4);
+ kevCourses.add(a5);
+ kevCourses.add(a6);
+ kevCourses.add(a7);
+
+ Student kev = new Student(1, Gender.MALE, "Kevin",
+ "Thaller", "Tittling", "Freyung", "kevin.thaller@stud.th-deg.de",
+ "123", kevCourses, Status.ENROLLED, BachelorSemester.FIFTH);
+
+
+ kev.setGrade(a1, Mark.VIER_NULL);
+ kev.setGrade(a2, Mark.FUENF_NULL);
+ kev.setGrade(a3, Mark.DREI_DREI);
+ kev.setGrade(a4, Mark.EINS_NULL);
+ kev.setGrade(a5, Mark.EINS_NULL);
+ kev.setGrade(a6, Mark.FUENF_NULL);
+ kev.setGrade(a7, Mark.FUENF_NULL);
+
+ System.out.println(kev.getGrades());
+ System.out.println(kev.calculateAverage());
+ System.out.println(kev.calculateMedian());
+
}
}
\ No newline at end of file
diff --git a/src/Student.java b/src/Student.java
index e3bd566..ae75dc9 100644
--- a/src/Student.java
+++ b/src/Student.java
@@ -1,55 +1,92 @@
import enumeration.BachelorSemester;
import enumeration.Gender;
+import enumeration.Mark;
import enumeration.Status;
-import java.util.List;
+import java.util.*;
-public class Student extends UniversityMember implements Calcuable
-{
+public class Student extends UniversityMember implements Calcuable {
// no static because variables don't make any sense without the created object
private Status status;
private boolean paidFees;
private BachelorSemester bachelorSemester;
- private List<Double> grades;
+ private Map<Course, Mark> grades = new HashMap<>();
+
public Student(int id, Gender gender, String firstName, String lastName, String placeOfResidence, String birthPlace,
- String officialEmail, String privateEmail, List<Course> personalCourses, boolean isSignedUpForCourse,
- Status status, boolean paidFess, BachelorSemester bachelorSemester, List<Double> grades)
- {
+ String officialEmail, String privateEmail, List<Course> personalCourses,
+ Status status, BachelorSemester bachelorSemester) {
super(id, gender, firstName, lastName, placeOfResidence, birthPlace,
- officialEmail, privateEmail, personalCourses, isSignedUpForCourse);
+ officialEmail, privateEmail, personalCourses);
this.status = status;
- this.paidFees = paidFess;
+ this.paidFees = true;
this.bachelorSemester = bachelorSemester;
- this.grades = grades;
+ this.initGrades();
+ }
+
+ private void initGrades() {
+ for (Course course : this.getPersonalCourses()) {
+ grades.put(course, null);
+ }
}
- public List<Double> getGrades()
- {
+ public boolean setGrade(Course course, Mark mark) {
+ if (isSignedUpForCourse(course)) {
+ grades.replace(course, mark);
+ return true;
+ }
+ return false;
+ }
+
+
+ public Map<Course, Mark> getGrades() {
return grades;
}
+
+ public boolean increaseSemester() {
+ if (paidFees) {
+ bachelorSemester.increaseSemester();
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+
@Override
- public boolean signUpForCourse(Course course)
- {
- /*
- personalCourses.add(course);
-
- // return status for registration process: was successful or has failed
- return isSignedUpForCourse = true;
- */
- return false;
+ public double calculateAverage() {
+ double average = 0.0;
+ int counter = 0;
+ for (Map.Entry<Course, Mark> grade : grades.entrySet()) {
+ if (grade.getValue() != null) {
+ Mark temp = grade.getValue();
+ average += temp.getValue();
+ counter++;
+ }
+ }
+ return average / counter;
}
@Override
- public double calculateAverage()
- {
- return 0;
+ public int calculateMedian() {
+ List<Mark> markList = new ArrayList<>();
+ int median = 0;
+ for (Map.Entry<Course, Mark> grade : grades.entrySet()) {
+ if (grade.getValue() != null) {
+ markList.add(grade.getValue());
+ }
+ }
+ markList.sort(Comparator.comparing(Mark::getValue));
+ median = (int) markList.get(markList.size() / 2).getValue();
+ if (markList.size() % 2 == 0)
+ median = (int) ((median + markList.get(markList.size() / 2 - 1).getValue()) / 2);
+ return median;
}
@Override
- public int calculateMedian()
- {
- return 0;
+ public double calculateModus() {
+ return 0.0;
}
+
}
\ No newline at end of file
diff --git a/src/UniversityMember.java b/src/UniversityMember.java
index a3b5a1d..05d3e01 100644
--- a/src/UniversityMember.java
+++ b/src/UniversityMember.java
@@ -3,8 +3,7 @@ import enumeration.Gender;
import java.util.ArrayList;
import java.util.List;
-public abstract class UniversityMember
-{
+public abstract class UniversityMember {
// final for the ID because it will remain the same for the whole duration of studying or being employed
// PK & FK
private final int id;
@@ -16,11 +15,10 @@ public abstract class UniversityMember
private String officialEmail;
private String privateEmail;
private List<Course> personalCourses = new ArrayList<>();
- private boolean isSignedUpForCourse;
+
public UniversityMember(int id, Gender gender, String firstName, String lastName, String placeOfResidence, String birthPlace,
- String officialEmail, String privateEmail, List<Course> personalCourses, boolean isSignedUpForCourse)
- {
+ String officialEmail, String privateEmail, List<Course> personalCourses) {
this.id = id;
this.gender = gender;
this.firstName = firstName;
@@ -30,8 +28,41 @@ public abstract class UniversityMember
this.officialEmail = officialEmail;
this.privateEmail = privateEmail;
this.personalCourses = personalCourses;
- this.isSignedUpForCourse = isSignedUpForCourse;
}
- public abstract boolean signUpForCourse(Course course);
+ public Course getCourseForId(int id) {
+ for (Course course : personalCourses) {
+ if (course.getId() == id) {
+ return course;
+ }
+ }
+ return null;
+ }
+
+ public List<Course> getPersonalCourses() {
+ return personalCourses;
+ }
+
+ public boolean signUpForCourse(Course course) {
+ if (isSignedUpForCourse(course)) {
+ return false;
+ } else {
+ return personalCourses.add(course);
+ }
+
+ }
+
+ public boolean leaveCourse(Course course) {
+ if (isSignedUpForCourse(course)) {
+ return personalCourses.remove(course);
+ } else {
+ return false;
+ }
+
+ }
+
+ public boolean isSignedUpForCourse(Course course) {
+ return personalCourses.contains(course);
+ }
+
}
diff --git a/src/enumeration/BachelorDegree.java b/src/enumeration/BachelorDegree.java
index 55e5b34..871129a 100644
--- a/src/enumeration/BachelorDegree.java
+++ b/src/enumeration/BachelorDegree.java
@@ -3,7 +3,8 @@ package enumeration;
public enum BachelorDegree
{
BACHELOR_OF_SCIENCE("B. Sc."),
- BACHELOR_OF_ENGINEERING("B. Eng.");
+ BACHELOR_OF_ENGINEERING("B. Eng."),
+ BACHELOR_OF_ARTS("B. A.");
private String degree;
diff --git a/src/enumeration/BachelorSemester.java b/src/enumeration/BachelorSemester.java
index 1dd48c0..92c4042 100644
--- a/src/enumeration/BachelorSemester.java
+++ b/src/enumeration/BachelorSemester.java
@@ -12,8 +12,14 @@ public enum BachelorSemester
private int semester;
+ //Max-Grenze festlegen
+
private BachelorSemester(int semester)
{
this.semester = semester;
}
+
+ public void increaseSemester(){
+ this.semester++;
+ }
}
diff --git a/src/enumeration/Mark.java b/src/enumeration/Mark.java
index 7864a94..b958727 100644
--- a/src/enumeration/Mark.java
+++ b/src/enumeration/Mark.java
@@ -1,7 +1,6 @@
package enumeration;
-public enum Mark
-{
+public enum Mark {
EINS_NULL(1.0),
EINS_DREI(1.3),
EINS_SIEBEN(1.7),
@@ -14,10 +13,14 @@ public enum Mark
VIER_NULL(4.0),
FUENF_NULL(5.0);
+
private double mark;
- Mark(double mark)
- {
+ private Mark(double mark) {
this.mark = mark;
}
+
+ public double getValue() {
+ return mark;
+ }
}
--
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