complete assessments with comments

src/com/generation/Main.java

@@ -79,7 +79,8 @@ private static void showCoursesSummary( CourseService courseService, Scanner sca
 
     private static void showStudentsSummary( StudentService studentService, Scanner scanner )
     {
-        studentService.showSummary();
+        String key = null;
+        studentService.showSummary(key);
     }
 
     private static void findStudent( StudentService studentService, Scanner scanner )

src/com/generation/model/Student.java

@@ -1,5 +1,6 @@
 package com.generation.model;
 
+import java.sql.SQLOutput;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
@@ -13,17 +14,33 @@ public class Student
     private double average;
 
     private final List<Course> courses = new ArrayList<>();
-
+    //Student class instance field courses assigned to a new array list
     private final Map<String, Course> approvedCourses = new HashMap<>();
+    private Course course;
 
     public Student( String id, String name, String email, Date birthDate )
     {
         super( id, name, email, birthDate );
     }
 
-    public void enrollToCourse( Course course )
+    public Course getCourse() {
+        return course;
+    }
+
+    public void setCourse(Course course) {
+        this.course = course;
+    }
+
+    public void enrollToCourse(Course course )
     {
-        //TODO implement this method
+        if (!isAttendingCourse(course.getCode())) {
+            courses.add(course);
+        }
+        else {
+            System.out.println("Student previously enrolled in course, enter different course.");
+        }
+        //Method that will add course objects to the instance field courses from above array list.
+        // Implementing conditional statement to prevent double enrollment with else sout message
     }
 
     public void registerApprovedCourse( Course course )
@@ -34,8 +51,15 @@ public void registerApprovedCourse( Course course )
 
     public boolean isAttendingCourse( String courseCode )
     {
-        //TODO implement this method
+        for (Course c : courses) {
+            if (c.getCode().equals(courseCode)) {
+                return true;
+            }
+        }
         return false;
+        //Boolean method that will return true if parameter courseCode is true for student with the argument that will be passed into it
+        //Create enhanced for loop/for each loop that will loop over entry of courses from courses instance field array list above
+        //Getting code of Course c to check if it equals to the argument that was passed to courseCode parameter
     }
 
     @Override

src/com/generation/service/StudentService.java

@@ -24,8 +24,13 @@ public Student findStudent( String studentId )
         return null;
     }
 
-    public void showSummary()
+    public void showSummary(String key)
     {
+        System.out.println("Students: ");
+        for (Student s: students.values()) {
+                Student stud = students.get(key);
+            System.out.println(s.toString());
+        }
         //TODO implement
     }
 
@@ -39,3 +44,21 @@ public void enrollToCourse( String studentId, Course course )
 
 
 }
+
+
+
+//  System.out.println( "Available Courses:" );
+//          for ( String key : courses.keySet() )
+//          {
+//          Course course = courses.get( key );
+//          System.out.println( course );
+//          }
+//          System.out.println( "Enrolled Students" );
+//          for ( String key : enrolledStudents.keySet() )
+//          {
+//          List<Student> students = enrolledStudents.get( key );
+//        System.out.println( "Students on Course " + key + ": " );
+//        for ( Student student : students )
+//        {
+//        System.out.println( student );
+//        }

src/com/generation/utils/PrinterHelper.java

@@ -11,6 +11,8 @@
 public class PrinterHelper
 {
 
+    private static Date birthDate;
+
     public static void showMainMenu(){
         System.out.println( "|-------------------------------|" );
         System.out.println( "| Welcome to StudentGen         |" );
@@ -37,15 +39,23 @@ public static Student createStudentMenu( Scanner scanner )
         String id = scanner.next();
         System.out.println( "| Enter student email:                |" );
         String email = scanner.next();
-        System.out.println( "| Enter student birth date(mm/dd/yyyy)|" );
-        DateFormat formatter = new SimpleDateFormat( "mm/dd/yyyy");
-        //TODO validate date format and catch exception to avoid crash
-        Date birthDate = formatter.parse( scanner.next());
+        DateFormat formatter = new SimpleDateFormat( "MM/dd/yyyy");
+        boolean validDate = false;
+        Date birthdate = null;
+        while (!validDate) {
+            System.out.println("| Enter birthdate in following format (mm/dd/yy) |");
+            try {
+                birthdate = formatter.parse(scanner.next());
+                validDate= true;
+            } catch (ParseException error) {
+                System.out.println("Invalid birthdate!");
+            }
+        } ;
+        // While loop with try and catch statement to catch wrong birthdate input
         System.out.println( "|-------------------------------------|" );
-        Student student = new Student( id, name, email, birthDate );
+        Student student = new Student( id, name, email, birthdate );
         System.out.println( "Student Successfully Registered! " );
         System.out.println(student);
         return student;
     }
-
 }