import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;

public class ArrayListOfStudents {

	public static void main(String[] args) {
		//Declare a reference.
		ArrayList<Student> arrName;

		//Create a new ArrayList object and 
		//  store the reference.
		arrName = new ArrayList<Student>();

		Student one = new Student("BBB");
		Student two = new Student("CCC");
		Student three = new Student("AAA");
		
		arrName.add(one);
		arrName.add(two);
		arrName.add(three);
		System.out.println("Added first three: " + arrName);
		System.out.println();

		
		//If you are curious about more advanced features...
 		//arrName.sort(Student::compareTo);
		//System.out.println(arrName);


		Student misc = new Student("EEE");
		arrName.add(1,misc);
		System.out.println("Inserted EEE: " + arrName);
		System.out.println();
		
		
		one.setUID(123456789);
		System.out.println("Changed a UID: " + arrName);
		System.out.println();
		
		arrName.remove(1);
		System.out.println("Removed with index: " + arrName);
		System.out.println();
		
		arrName.remove(three);
		System.out.println("Removed with object: " + arrName);
		
		

		Student seek = new Student("CCC");
		System.out.println("seek: " + arrName.contains(seek));
	}

}