From 212247b7b5a30017bd62209a72d20ceb243ea3b5 Mon Sep 17 00:00:00 2001
From: Alexis Nasr <alexis.nasr@lif.univ-mrs.fr>
Date: Fri, 31 Jul 2020 11:46:42 +0200
Subject: [PATCH] ajout de tp1
---
tp1/Cohort.java | 53 +++++++++++++++++++++
tp1/Grade.java | 77 +++++++++++++++++++++++++++++++
tp1/Main.java | 14 ++++++
tp1/Student.java | 91 +++++++++++++++++++++++++++++++++++++
tp1/TeachingUnitResult.java | 38 ++++++++++++++++
5 files changed, 273 insertions(+)
create mode 100644 tp1/Cohort.java
create mode 100644 tp1/Grade.java
create mode 100644 tp1/Main.java
create mode 100644 tp1/Student.java
create mode 100644 tp1/TeachingUnitResult.java
diff --git a/tp1/Cohort.java b/tp1/Cohort.java
new file mode 100644
index 0000000..e199e79
--- /dev/null
+++ b/tp1/Cohort.java
@@ -0,0 +1,53 @@
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A group of students.
+ */
+
+public class Cohort {
+ private final String name;
+ private final List<Student> students;
+
+ /**
+ * Constructs a cohort with a name equals to the specified {@code name} and no students.
+ * @param name the name of the constructed Cohort
+ */
+
+ public Cohort(String name) {
+ this.name = name;
+ this.students = new ArrayList<>();
+ }
+
+ /**
+ * Add the specified {@code student} to the students of the cohort.
+ * @param student the student to be added to the cohort
+ */
+ public void addStudent(Student student){
+ }
+
+ /**
+ * Returns the list of students of the cohort.
+ * @return the list of students of the cohort.
+ */
+ public List<Student> getStudents(){
+ }
+
+ /**
+ * Print via the standard output the name of the cohort and all results associated to the students with their average
+ * grade.
+ */
+ public void printStudentsResults(){
+ }
+
+ private void printName(){
+ }
+
+ /**
+ * Returns the name of the cohort.
+ * @return the name of the cohort
+ */
+ @Override
+ public String toString() {
+ }
+}
diff --git a/tp1/Grade.java b/tp1/Grade.java
new file mode 100644
index 0000000..f25893a
--- /dev/null
+++ b/tp1/Grade.java
@@ -0,0 +1,77 @@
+import java.util.List;
+
+/**
+ * A grade with a float value comprised between 0 and 20.
+ *
+ */
+public class Grade {
+ /**
+ * The maximum value of a grade.
+ */
+ private static final int MAXIMUM_GRADE = 20;
+ private final double value;
+
+ /**
+ * Constructs a grade with a value equals to the specified {@code value}.
+ *
+ * @param value the value of the constructed grade
+ */
+
+ public Grade(double value) {
+ this.value = value;
+ }
+
+ /**
+ * Returns the value of the grade as a double.
+ *
+ * @return the value of the grade
+ */
+
+ public double getValue() {
+ }
+
+ /**
+ * Returns a string representation of the grade in the format X.X/20.
+ * @return a string representation of the grade
+ */
+ @Override
+ public String toString() {
+ }
+
+ /**
+ * Returns a grade with a value equals to the arithmetic mean of the values of the grade in
+ * the specified list.
+ *
+ * @param grades a list of grades
+ * @return a grade corresponding to the mean of grade in {@code grades}
+ */
+ public static Grade averageGrade(List<Grade> grades){
+ }
+
+ /**
+ * Determines whether or not two grades are equal. Two instances of Grade are equal if the values
+ * of their {@code value} member field are the same.
+ * @param o an object to be compared with this Grade
+ * @return {@code true} if the object to be compared is an instance of Grade and has the same value; {@code false}
+ * otherwise.
+ */
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ Grade grade = (Grade) o;
+
+ return Double.compare(grade.value, value) == 0;
+ }
+
+ /**
+ * Returns a hash code value for the object.
+ * @return a hash code value for this object.
+ */
+ @Override
+ public int hashCode() {
+ long temp = Double.doubleToLongBits(value);
+ return (int) (temp ^ (temp >>> 32));
+ }
+}
diff --git a/tp1/Main.java b/tp1/Main.java
new file mode 100644
index 0000000..48c9805
--- /dev/null
+++ b/tp1/Main.java
@@ -0,0 +1,14 @@
+public class Main {
+ public static void main(String[] args){
+ Student student1 = new Student("Arnaud", "Labourel");
+ Student student2 = new Student("Paul", "Calcul");
+ student1.addResult("Programmation 2", new Grade(20));
+ student2.addResult("Programmation 2", new Grade(0));
+ student1.addResult("Structures discrètes", new Grade(20));
+ student2.addResult("Structures discrètes", new Grade(0));
+ Cohort cohort = new Cohort("L2 informatique");
+ cohort.addStudent(student1);
+ cohort.addStudent(student2);
+ cohort.printStudentsResults();
+ }
+}
diff --git a/tp1/Student.java b/tp1/Student.java
new file mode 100644
index 0000000..193bd84
--- /dev/null
+++ b/tp1/Student.java
@@ -0,0 +1,91 @@
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A students with results.
+ */
+
+public class Student {
+ private final String firstName;
+ private final String lastName;
+ private final List<TeachingUnitResult> results;
+
+ /**
+ * Constructs a student with the specified first name and last name and no associated results.
+ *
+ * @param firstName the first name of the constructed student
+ * @param lastName the last name of the constructed student
+ */
+
+ public Student(String firstName, String lastName) {
+ this.firstName = firstName;
+ this.lastName = lastName;
+ this.results = new ArrayList<>();
+ }
+
+ /**
+ * Add a grade associated to a teaching unit to the results of the student.
+ *
+ * @param teachingUnitName the name of the teaching unit of the added result
+ * @param grade the grade of the added result
+ */
+ public void addResult(String teachingUnitName, Grade grade){
+ }
+
+ /**
+ * Returns a string representation of the student in the format first name last name.
+ * @return a string representation of the student
+ */
+ @Override
+ public String toString() {
+ }
+
+
+ /**
+ * Returns the grades of the student.
+ *
+ * @return the grades of the student
+ */
+ public List<Grade> getGrades(){
+ }
+
+ /**
+ * Returns the average grade of the student.
+ *
+ * @return the average grade of the student
+ */
+ public Grade getAverageGrade() {
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ Student student = (Student) o;
+
+ if (!firstName.equals(student.firstName)) return false;
+ return lastName.equals(student.lastName);
+ }
+
+ @Override
+ public int hashCode() {
+ int result = firstName.hashCode();
+ result = 31 * result + lastName.hashCode();
+ return result;
+ }
+
+ /**
+ * Print via the standard output the name of the student, all results associated to the students and
+ * the average grade of the student.
+ */
+ public void printResults(){
+ }
+
+ private void printName() {
+ }
+
+ private void printAverageGrade() {
+ }
+
+}
diff --git a/tp1/TeachingUnitResult.java b/tp1/TeachingUnitResult.java
new file mode 100644
index 0000000..c052586
--- /dev/null
+++ b/tp1/TeachingUnitResult.java
@@ -0,0 +1,38 @@
+/**
+ * A result corresponding to a grade associated with a teaching unit.
+ */
+
+public class TeachingUnitResult {
+ private final String teachingUnitName;
+ private final Grade grade;
+
+
+ /**
+ * Constructs an instance of TeachingUnitResult with a grade equals to the specified {@code grade}
+ * and a teaching unit name equals to the specified {@code teachingUnitName}.
+ *
+ * @param teachingUnitName the name of the teaching unit of the constructed TeachingUnitResult
+ * @param grade the grade of the constructed TeachingUnitResult
+ */
+
+ public TeachingUnitResult(String teachingUnitName, Grade grade) {
+ this.teachingUnitName = teachingUnitName;
+ this.grade = grade;
+ }
+
+ /**
+ * Returns the grade associated to the result.
+ *
+ * @return the grade associated to the result
+ */
+ public Grade getGrade() {
+ }
+
+ /**
+ * Returns a string representation of the result in the format Name of the teaching unit : X.X.
+ * @return a string representation of the result
+ */
+ @Override
+ public String toString() {
+ }
+}
--
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