/*
 *  ====================================================================
 *  SimSchool.java: Simulate many-to-many relationships between students
 *                  and the departments in which they enroll.
 *  ====================================================================
 */

import java.util.List;
 
public class SimSchool {
   public static void main( String[] args ) {

      // Create student objects ...

      Student student01 = new Student();
      student01.setName("Joe");
    
      Student student02 = new Student();
      student02.setName("Jill");

      Student student03 = new Student();
      student03.setName("David");

      Student student04 = new Student();
      student04.setName("Scott");

      // Add students to civil and environmental engineering ...
    
      Department civil = new Department();
      civil.setName("CEE");
      civil.addStudent( student01 );
      civil.addStudent( student02 );

      // Add students to electrical and computer engineering ...

      Department eecs = new Department();
      eecs.setName("ECE");
      eecs.addStudent( student01 );
      eecs.addStudent( student03 );
      eecs.addStudent( student04 );

      // Print details of student-department assocations ...

      System.out.println( "Part 1: Summary of Student-Department Associations" );
      System.out.println( "==================================================" );

      System.out.println( student01 );
      System.out.println( student02 );
      System.out.println( student03 );
      System.out.println( student04 );

      // Print details of department-student assocations ...

      System.out.println( "Part 2: Summary of Department-Student Associations" );
      System.out.println( "==================================================" );

      System.out.println( civil );
      System.out.println( eecs );

      // David drop out of EECS to concentrate on CEE ...

      System.out.println( "Part 3: David switches from ECE to CEE" );
      System.out.println( "===============================================" );

      student03.removeDepartment( eecs );
      student03.addDepartment( civil );

      // Validate David's enrollment in CEE and ECE ...
 
      System.out.println( student03 );
      System.out.println( civil );
      System.out.println( eecs );
  }
}