Question

A teacher wants to create a list of students in her class. Using the existing Student class in this exercise. Create a static ArrayList called classList that adds a student to the classList whenever a new Student is created. In the constructor, you will have to add that Student to the ArrayList.

Answer 1

Answer:

Check the explanation

Explanation:

CODE:-

import java.util.ArrayList;

class Student

{

  private String name;

  private int grade;

  private static ArrayList<Student> classList = new ArrayList<Student>();

 

  public Student(String name, int grade)

  {

      this.name = name;

      this.grade = grade;

      classList.add(this);

  }

 

  public String getName()

  {

      return this.name;

  }

 

  /*Don't change the code in this method!

  This method will print out all the Student names in the classList Array

  */

  public static String printClassList()

  {

      String names = "";

      for(Student name: classList)

      {

          names+= name.getName() + "\n";

      }

      return "Student Class List:\n" + names;

  }

}

public class ClassListTester

{

  public static void main(String[] args)

  {

      //You don't need to change anything here, but feel free to add more Students!

      Student alan = new Student("Alan", 11);

      Student kevin = new Student("Kevin", 10);

      Student annie = new Student("Annie", 12);

      Student smith = new Student("Smith", 11);

      Student kane = new Student("Kane", 10);

      Student virat = new Student("Virat", 12);

      Student abd = new Student("ABD", 12);

      Student root = new Student("Root", 12);

      System.out.println(Student.printClassList());

  }

}

Kindly check the attached image below.