Dynamic Vector java

import java.util.Vector;

class Article {
    private String code;
    private String description;
    private Double price;

    public Article(String code, String description, Double price) {
        this.code = code;
        this.description = description;
        this.price = price;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public void setPrice(Double price) {
        this.price = price;
    }

    public String getCode() {
        return this.code;
    }

    public String getDescription() {
        return this.description;
    }

    public Double getPrice() {
        return this.price;
    }

    public boolean equals(Object o) {
        if (!(o instanceof Article))
            return false;
        return this.code.equals(((Article) o).getCode());
    }

    public String toString() {
        return this.code + " " + this.description + " " + this.price;
    }
}

class DynamicArray {
    private Vector<Article> articles;

    public DynamicArray() {
        this.articles = new Vector<Article>();
    }

    public Article[] toArray() {
        return (Article[]) this.articles.toArray();
    }

    public void insert(Article article) {
        this.articles.add(article);
    }

    public void insert(int index, Article article) {
        this.articles.add(index, article);
    }

    public boolean find(Article article) {
        return this.articles.contains(article);
    }

    public void delete(Article article) {
        this.articles.remove(article);
    }

    public String toString() {
        return this.articles.toString();
    }
}

public class Dynamic {
    public static void main(String[] args) {
        DynamicArray articlesList = new DynamicArray();
        articlesList.insert(new Article("Sapone", "Lavamani neutro", 1.80));
        articlesList.insert(new Article("Tonno", "Pinna gialla", 3.54));
        articlesList.insert(new Article("Pasta", "Spaghetti di grano duro", 0.90));
        System.out.println(articlesList);
        articlesList.insert(new Article("Paguro", "Di mare adriatico", 9.90));
        System.out.println(articlesList);
        articlesList.delete(new Article("Paguro", "Di mare adriatico", 9.90));
        System.out.println(articlesList);
        System.out.println("Trovata pasta: " + articlesList.find(new Article("Pasta", "Spaghetti di grano duro", 0.90)));
    }
}