LinkedList.java

/*
 * 練習問題2.11 p.51
 * LinkedListにtoStringメソッドを追加しなさい。
 */

package ch02.ex02_11;

public class LinkedList
{

    Object object;
    LinkedList nextObject;

    LinkedList(Object associatedObject)
    {
        object = associatedObject;
    }

    public String toString()
    {
        String desc = "This method is toString of LinkedList!";
        return desc;
    }

    /**
     * @param args
     */
    public static void main(String[] args)
    {
        LinkedList test = new LinkedList(new Vehicle());

        test.nextObject = new LinkedList(new Vehicle());
        System.out.println(((Vehicle) test.object).id);
        System.out.println(((Vehicle) test.nextObject.object).id);

        System.out.println("");

        System.out.println(test);
    }

}