task2909. Рефакторинг 7

Author: SkyrocketStan

3.JavaMultithreading/src/com/javarush/task/task29/task2909/human/Student.java

@@ -24,12 +24,8 @@ public void live() {
     public void learn() {
     }
 
-    public void incAverageGradeBy01() {
-        averageGrade += 0.1;
-    }
-
-    public void incAverageGradeBy02() {
-        averageGrade += 0.2;
+    public void incAverageGrade(double delta){
+        averageGrade += delta;
     }
 
     public void setCourse(int value){
@@ -40,12 +36,12 @@ public void setAverageGrade(double value){
         averageGrade = value;
     }
 
-    public void setBeginningOfSession(int day, int month, int year) {
-        beginningOfSession = new Date(year, month, day);
+    public void setBeginningOfSession(Date date) {
+        beginningOfSession = date;
     }
 
-    public void setEndOfSession(int day, int month, int year) {
-        endOfSession = new Date(year, month, day);
+    public void setEndOfSession(Date date) {
+        endOfSession = date;
     }
 
     public double getAverageGrade() {

3.JavaMultithreading/src/com/javarush/task/task29/task2909/human/StudentsDataBase.java

@@ -6,15 +6,14 @@
 public class StudentsDataBase {
     public static List<Student> students = new ArrayList<>();
 
-    public static void addInfoAboutStudent(String name, int age, double averageGrade) {
-        Student student = new Student(name, age, averageGrade);
-        students.add(student);
-        printInfoAboutStudent(student.getName(), student);
 
+    public static void addInfoAboutStudent(Student student) {
+        students.add(student);
+        printInfoAboutStudent(student);
     }
 
-    public static void printInfoAboutStudent(String name, Student student) {
-        System.out.println("Имя: " + name + " Возраст: " + student.getAge());
+    public static void printInfoAboutStudent(Student student) {
+        System.out.println("Имя: " + student.name + " Возраст: " + student.getAge());
     }
 
     public static void removeStudent(int index) throws IndexOutOfBoundsException {