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In OOPS, what is meant by composition?

Pragya Keshap answered on February 4, 2023 Popularity 3/10 Helpfulness 1/10

answer In OOPS, what is meant by composition?

In OOPS, what is meant by composition?

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class Book {
 
    public String title;
    public String author;
    Book(String title, String author)
    {
        this.title = title;
        this.author = author;
    }
}
class Library {
    private final List<Book> books;
    Library(List<Book> books)
    {
        this.books = books;
    }
    public List<Book> getListOfBooksInLibrary()
    {
        return books;
    }
}
class GFG {

    public static void main(String[] args)
    {
        Book b1
            = new Book("EffectiveJ Java", "Joshua Bloch");
        Book b2
            = new Book("Thinking in Java", "Bruce Eckel");
        Book b3 = new Book("Java: The Complete Reference",
                           "Herbert Schildt");
        List<Book> book = new ArrayList<Book>();
        book.add(b1);
        book.add(b2);
        book.add(b3);
        Library library = new Library(book);
        List<Book> books
            = library.getListOfBooksInLibrary();
        for (Book bk : books) {
            System.out.println("Title : " + bk.title
                               + " and "
                               + " Author : " + bk.author);
        }
    }
}

https://www.geeksforgeeks.org/composition-in-java/

Popularity 3/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

In OOPS, what is meant by composition?

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In OOPS, what is meant by composition?

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