import java.util.*;

public class Student {
	private String name;
	private int ID;
	private double GPA;
	/* (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		return name + " " + ID + " " + GPA;
	}
	/**
	 * 
	 */
	public Student() {
		// TODO Auto-generated constructor stub
	}
	/**
	 * @param gpa
	 * @param id
	 * @param name
	 */
	
	
	public Student(double gpa, int id, String name) {
		// TODO Auto-generated constructor stub
		GPA = gpa;
		ID = id;
		this.name = name;
	}
	/**
	 * @return Returns the gPA.
	 */
	
	public double getGPA() {
		return GPA;
	}
	/**
	 * @param gpa The gPA to set.
	 */
	public void setGPA(double gpa) {
		GPA = gpa;
	}
	/**
	 * @return Returns the iD.
	 */
	public int getID() {
		return ID;
	}
	/**
	 * @param id The iD to set.
	 */
	public void setID(int id) {
		ID = id;
	}
	/**
	 * @return Returns the name.
	 */
	public String getName() {
		return name;
	}
	/**
	 * @param name The name to set.
	 */
	public void setName(String name) {
		this.name = name;
	}
	/**
	 * @param args
	 */
	
	
	
	
	public static double getAverage(Student []stArray) {
		double total = 0.0;
		for (int j = 0; j < stArray.length; j++) {
			total = total + stArray[j].getGPA();
		}
		return total / stArray.length;
	}
	
	
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		int nstudents;
		String stName;
		int stID;
		double stGPA;
		
		System.out.print("How many students would you like to enter?");
		nstudents = sc.nextInt();
		sc.nextLine();
		ArrayList studentArray = new ArrayList(nstudents);
		
		for (int i = 0; i < nstudents; i++) {
			System.out.print("Enter name: ");
			stName = sc.nextLine();
			System.out.print("Enter ID: ");
			stID = sc.nextInt();
			System.out.print("Enter GPA:");
			stGPA = sc.nextDouble();
			sc.nextLine();
			studentArray.add(new Student(stGPA, stID, stName));
		}
		
		
		//System.out.println("Average is: " + Student.getAverage(studentArray));
		for (ListIterator stIterator = studentArray.listIterator(); stIterator.hasNext(); ) {
			Student st = (Student)stIterator.next();
			System.out.println(st);
		}
		
		ListIterator studentIterator = studentArray.listIterator();
		
		while (studentIterator.hasNext()) {
			Student st = (Student)studentIterator.next();
			System.out.println(st);
		}
		
		System.out.print("Who would you like to delete?");
		String nameToRemove = sc.nextLine();
	
		Student tempStudent = new Student();
		tempStudent.setName(nameToRemove);
		int stIndex = studentArray.indexOf(tempStudent);
		studentArray.remove(stIndex);
		
//		for (int i = 0; i < studentArray.size(); i++) {
//			Student tempStudent = (Student)studentArray.get(i);
//			if (tempStudent.getName().equals(nameToRemove)) {
//				studentArray.remove(i);
//			}
//		}
		
		studentIterator = studentArray.listIterator();
		
		while (studentIterator.hasNext()) {
			Student st = (Student)studentIterator.next();
			System.out.println(st);
		}
		
		
		
//		for (int j = 0; j < studentArray.size(); j++) {
//			System.out.println(studentArray.get(j));
//			
//		}
		
		// compute and print out average GPA
		// print out all students' name, ID and GPA
		
	}

}