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  1. class Library extends Book{
  2.     String address = "";
  3.  
  4.     Book[] books = new Book[10];
  5.     void addBook(Book bookname) {
  6.         int i = 0;
  7.         books[i] = bookname;
  8.         i++;
  9.     }
  10.  
  11.     static void printOpeningHours() {
  12.         System.out.println("9am to 5pm");
  13.     }   
  14.  
  15.     void printAddress() {
  16.         System.out.println(address);
  17.     }
  18.  
  19.     // void borrowBook(String book) {
  20.     //     book.borrow
  21.     // }
  22.  
  23.     // void returnBook(String book) {
  24.  
  25.     // }
  26.  
  27.     // void printAvailableBooks() {
  28.  
  29.     // }
  30.     public Library(String location) {
  31.         address = location;
  32.     }
  33.  
  34.     // public static void main(String[] args) {
  35.     //     // Create two libraries
  36.     //     Library firstLibrary = new Library("10 Main St.");
  37.     //     Library secondLibrary = new Library("228 Liberty St.");
  38.  
  39.     //     // Add four books to the first library
  40.     //     firstLibrary.addBook(new Book("The Da Vinci Code"));
  41.     //     firstLibrary.addBook(new Book("Le Petit Prince"));
  42.     //     firstLibrary.addBook(new Book("A Tale of Two Cities"));
  43.     //     firstLibrary.addBook(new Book("The Lord of the Rings"));
  44.     //     // Print opening hours and the addresses
  45.     //     System.out.println("Library hours:");
  46.     //     printOpeningHours();
  47.     //     System.out.println();
  48.  
  49.     //     System.out.println("Library addresses:");
  50.     //     firstLibrary.printAddress();
  51.     //     secondLibrary.printAddress();
  52.     //     System.out.println();
  53.  
  54.     //     // Try to borrow The Lords of the Rings from both libraries
  55.     //     System.out.println("Borrowing The Lord of the Rings:");
  56.     //     firstLibrary.borrowBook("The Lord of the Rings");
  57.     //     firstLibrary.borrowBook("The Lord of the Rings");
  58.     //     secondLibrary.borrowBook("The Lord of the Rings");
  59.     //     System.out.println();
  60.  
  61.     //     // Print the titles of all available books from both libraries
  62.     //     System.out.println("Books available in the first library:");
  63.     //     firstLibrary.printAvailableBooks();
  64.     //     System.out.println();
  65.     //     System.out.println("Books available in the second library:");
  66.     //     secondLibrary.printAvailableBooks();
  67.     //     System.out.println();
  68.  
  69.     //     // Return The Lords of the Rings to the first library
  70.     //     System.out.println("Returning The Lord of the Rings:");
  71.     //     firstLibrary.returnBook("The Lord of the Rings");
  72.     //     System.out.println();
  73.  
  74.     //     // Print the titles of available from the first library
  75.     //     System.out.println("Books available in the first library:");
  76.     //     firstLibrary.printAvailableBooks();
  77.     // }
  78. } 
  79.  
  80. class Book {
  81.  
  82.     String title;
  83.     boolean borrowed;
  84.  
  85.     // Creates a new Book
  86.     public Book(String bookTitle) {
  87.         // Implement this method
  88.     }
  89.  
  90.     // Marks the book as rented
  91.     public void borrowed() {
  92.         borrowed = true; 
  93.     }
  94.  
  95.     // Marks the book as not rented
  96.     public void returned() {
  97.         borrowed = false;
  98.     }
  99.  
  100.     // Returns true if the book is rented, false otherwise
  101.     public boolean isBorrowed() {
  102.         return borrowed;
  103.     }
  104.  
  105.     // Returns the title of the book
  106.     public String getTitle() {
  107.         return title;
  108.     }
  109.  
  110.     public static void main(String[] arguments) {
  111.         // Small test of the Book class
  112.         Book example = new Book("The Da Vinci Code");
  113.         System.out.println("Title (should be The Da Vinci Code): " + example.getTitle());
  114.         System.out.println("Borrowed? (should be false): " + example.isBorrowed());
  115.         example.borrowed();
  116.         System.out.println("Borrowed? (should be true): " + example.isBorrowed());
  117.         example.returned();
  118.         System.out.println("Borrowed? (should be false): " + example.isBorrowed());
  119.     }
  120. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:30: error: constructor Book in class Book cannot be applied to given types;
    public Library(String location) {
                                    ^
  required: String
  found: no arguments
  reason: actual and formal argument lists differ in length
1 error
stdout
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Standard output is empty
https://ideone.com/wvJCrl
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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