Added yearGroup and studentAbs classes

src/tp04/StudentAbs.java

+package tp04;
+
+public class StudentAbs {
+    public final static int thresholdAbs = 5;
+
+    private Student etu;
+    private int abs;
+    
+    public StudentAbs(Person person, double[] grades, int abs) {
+        this.etu = new Student(person, grades);
+        this.abs = abs;
+    }
+
+    public StudentAbs(String forename, String name, double[] grades, int abs) {
+        this.etu = new Student(forename, name, grades);
+        this.abs = abs;
+    }
+
+    public StudentAbs(String forename, String name, double grade, int abs) {
+        this.etu = new Student(forename, name, grade);
+        this.abs = abs;
+    }
+
+    public StudentAbs(String forename, String name, double grade) {
+        this.etu = new Student(forename, name, grade);
+        this.abs = 0;
+    }
+
+    public String getName() {
+        return this.etu.getName();
+    }
+
+    public void setName(String newName) {
+        this.etu.setName(newName);
+    }
+
+    public String getForename() {
+        return this.etu.getForename();
+    }
+
+    public void setForename(String newName) {
+        this.etu.setForename(newName);
+    }
+
+    public int getID() {
+        return this.etu.getID();
+    }
+
+    public void addGrade(double grade) {
+        this.etu.addGrade(grade);
+    }
+
+    public double[] getGrades() {
+        return this.etu.getGrades();
+    }
+
+    public double getAverage() {
+        return this.etu.getAverage();
+    }
+
+    public int getAbs() {
+        return this.abs;
+    }
+
+    public void incrAbs() {
+        this.abs++;
+    }
+
+    public String toString() {
+        return "" + this.etu + ", nbAbs=" + this.abs;
+    }
+
+    public boolean equals(Object other) {
+        if (other == null) {
+            return false;
+        }
+        if (other.getClass() == this.getClass()) {
+            StudentAbs otherStudentAbs = (StudentAbs) other;
+            double[] thisStudentGrades = this.etu.getGrades();
+            boolean arrayEquals = true;
+            double[] otherStudentGrades = otherStudentAbs.getGrades();
+            if (otherStudentGrades.length == thisStudentGrades.length) {
+                for (int i = 0; i < thisStudentGrades.length; i++) {
+                    arrayEquals = thisStudentGrades[i] == otherStudentGrades[i];
+                }
+            }
+            return this.getID() == otherStudentAbs.getID() && arrayEquals && this.getAbs() == otherStudentAbs.getAbs();
+        }
+        return false;
+    }
+
+    public boolean warning() {
+        return this.abs > StudentAbs.thresholdAbs || this.etu.getAverage() < Student.thresholdAvg;
+    }
+
+    public boolean validation() {
+        return !this.warning();
+    }
+
+
+}

src/tp04/YearGroup.java

+package tp04;
+
+import java.util.Arrays;
+
+public class YearGroup {
+    private StudentAbs[] yg;
+
+    public YearGroup() {
+        this.yg = new StudentAbs[];
+    }
+
+    public int getRealLength() {
+        int count = 0;
+        for (int i = 0; i < this.yg.length; i++) {
+            if (this.yg[i] != null) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public void addStudent(StudentAbs student) {
+        if (this.yg.length != this.getRealLength()) {
+            for (int i = 0; i < this.yg.length; i++) {
+                if (this.yg[i] == null) {
+                    this.yg[i] = student;
+                }
+            }
+        } else {
+            this.yg = Arrays.copyOf(this.yg, this.yg.length + 1);
+            this.yg[this.yg.length - 1] = student;
+        }
+    }
+
+    public void addStudent(StudentAbs[] students) {
+        for (int i = 0; i < students.length; i++) {
+            this.addStudent(students[i]);
+        }
+    }
+
+    public void addGrades(double[] grades) {
+        for (int i = 0; i < grades.length; i++) {
+            this.yg[i].addGrade(grades[i]);
+        }
+    }
+
+    public void validation() {
+        for (int i = 0; i < this.yg.length; i++) {
+            if (this.yg[i].validation()) {
+                System.out.println(this.yg[i]);
+            }
+        }
+    }
+}