// ********************************************* client program
public class CompositionDemo4
{
    public static void main(String[] args)
    {
        Student[] classRoster = new Student[5]; // class of 5 students
		
        classRoster[0] = new Student(new Name("Jane", "Doe"), 10, new String[]{"English", "Algebra", "History", "Biology"});
        classRoster[1] = new Student(new Name("Bill", "Smith"), 10, new String[]{"Algebra", "English", "History", "Biology"});
        classRoster[2] = new Student(new Name("Mary", "Jones"), 11, new String[]{"English", "Algebra", "Biology", "History"});
        classRoster[3] = new Student(new Name("John", "Mason"), 12, new String[]{"Algebra", "History", "English", "Biology"});
        classRoster[4] = new Student(new Name("Sally", "Smith"), 10, new String[]{"Biology", "Algebra", "History", "English"});

        // display all information
        for (int i = 0; i < classRoster.length; i++)
        {
            System.out.println(classRoster[i]);
        }
		
        // using linear search to count number of students whose last name is alphabetically greater than "M" and 
        // who have History as their third class of the day
        int count = 0;
		
        for (int i = 0; i < classRoster.length; i++)
        {
            if (classRoster[i].getSchedule()[2].equals("History") && classRoster[i].getName().getLastName().compareTo("M") > 0)
            {
               count++;
            }
        }
		
        System.out.println(count + " student's have a last name greater than \"M\" and have History as their third class of the day");
    }
}








///////////////////////////////////////////////// Name class
class Name
{
    // ************************************ instance fields
    private String myFirstName;
    private String myLastName;

    // ************************************ constructors
    public Name(String first, String last)
    {
        myFirstName = first;
        myLastName = last;
    }
 
    // ************************************ accessor methods
    public String getLastName()
    {
        return myLastName;
    }
    
    // ************************************ modifier methods
    public void setFirstName(String first)
    {
        myFirstName = first;
    }
    
    public void setLastName(String last)
    {
        myLastName = last;
    }
	
    // *********************************** interesting methods
    public String toString()
    {
       return myFirstName + " " + myLastName;
    }
}






/////////////////////////////////////////// Student class
class Student
{
    // ************************************ instance fields
    private Name myName;
    private int myGradeLevel;
    private String[] mySchedule;
    
    // ************************************ constructors    
    public Student(Name name, int gradeLevel, String[] schedule)
    {
        myName = name;
        myGradeLevel = gradeLevel;
        mySchedule = schedule;
    }
    
    // ************************************ accessor methods    
    public Name getName()
    {
        return myName;
    }
	
    public int getGradeLevel()
    {
        return myGradeLevel;
    }
     
    public String[] getSchedule()
    {
        return mySchedule;
    } 
	
	// *********************************** interesting methods
    public String scheduleList()
    {
       String listOfClasses = "";
	   
       for (int i = 0; i < mySchedule.length; i++)
       {
          listOfClasses = listOfClasses + " " + mySchedule[i];
       }
	   
       return listOfClasses;
    }
	
    public String toString()
    {
       return myName.toString() + " " + myGradeLevel + " " + scheduleList();
    }
}