1. WHEN I RUN THE CODE AT FIRST AND I SELECT THE RETURNOPTION, IT BREAKS. BUT WHEN I SELCT THE RETURN OPTION AFTER IBORROW A BOOK, IT WORKS
2. WHY IS MY ARRAYLIST NO SAVING? WHAT I MEAN IS THAT AFTER IBORROW A BOOK AND I END THE SYSTEM, WHEN I RESTART IT, THE BOOK IBORROWED IS STILL AVAILABLE
3.ALSO ANY IDEAS ON WHAT MY TEST CASES COULD BE?
/*
* To change this license header, choose License Headers inProject Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package librarysystem;
import java.util.ArrayList;
import java.util.Scanner;
/**
*
*/
public class Books {
ArrayList availBooks = newArrayList<>();
ArrayList borrowedBooks = newArrayList<>();
ArrayList allBooks = newArrayList<>();
Scanner input = new Scanner(System.in);
Books() {
}
public void availableBooks() {
availBooks.add(\"Chronicle of Narnia\");
availBooks.add(\"Harry Potter\");
availBooks.add(\"The fault in our stars\");
availBooks.add(\"Wizard of Oz\");
}
public void allBooks() {
allBooks.add(\"Chronicle of Narnia\");
allBooks.add(\"Harry Potter\");
allBooks.add(\"The fault in our stars\");
allBooks.add(\"Wizard of Oz\");
allBooks.add(\"James Bond\");
allBooks.add(\"The Hobbit\");
allBooks.add(\"Fellowship of the ring\");
}
public void borrowedBooks() {
borrowedBooks.add(\"James Bond\");
borrowedBooks.add(\"The Hobbit\");
borrowedBooks.add(\"Fellowship of the ring\");
}
public void begin() {
System.out.println(\".............................\");
System.out.println(\"What would you like to do today?\");
System.out.println(\"1. Search for book\"
+ \"\n\" + \"2. Borrow book\" + \"\n\" + \"3. Return book\"
+ \"\n\" + \"4. Log out\" + \"\n pick 1,2,3 or 4\");
int ans = input.nextInt();
input.nextLine();
if (ans == 1) {
searchBooks();
} else if (ans == 2) {
borrow();
} else if (ans == 3) {
returnBook();
} else if (ans == 4) {
System.out.println(\"Logging out...\");
System.exit(0);
} else {
System.out.println(\"Pleasepick 1,2,3 or 4\");
}
}
public void searchBooks() {
System.out.println(\"What is the name of the book youre lookingfor?\");
String bookName = input.nextLine();
if (allBooks.contains(bookName) &&borrowedBooks.contains(bookName)) {
System.out.println(\"Book found!: \" + bookName);
System.out.println(\"Status: Unavailble for borrowing\");
System.out.println(\"returning to main session ...\");
begin();
} else if (allBooks.contains(bookName)
&& availBooks.contains(bookName)) {
System.out.println(\"Book found!: \" + bookName);
System.out.println(\"Status: Available for borrowing\");
System.out.println(\"Would you like to borrow\" + bookName
+ \"? yes or no\");
String ans = input.nextLine();
if (ans.equalsIgnoreCase(\"yes\")) {
borrow1(bookName);
} else if (ans.equalsIgnoreCase(\"no\")) {
System.out.println(\"returning to main session ...\");
begin();
} else {
System.out.println(\"returning to main session ...\");
}
} else {
System.out.println(\"Sorry, we could not find \" +bookName);
System.out.println(\"returning to main session ...\");
begin();
}
}
public void borrow() {
System.out.println(\"What is the name of the book you\"
+ \" would like to borrow?\");
String borrowName = input.nextLine();
if (allBooks.contains(borrowName)
&& borrowedBooks.contains(borrowName)) {
System.out.println(\"Book found!: \" + borrowName);
System.out.println(\"Status: Unavailble for borrowing\");
System.out.println(\"returning to main session ...\");
begin();
} else if (allBooks.contains(borrowName)
&& availBooks.contains(borrowName)) {
System.out.println(\"Book found!: \" + borrowName);
System.out.println(\"Status: Available for borrowing\");
System.out.println(\"Would you like to borrow \" +borrowName
+ \"? yes or no\");
String ans = input.nextLine();
if (ans.equalsIgnoreCase(\"Yes\")) {
borrow1(borrowName);
} else if (ans.equalsIgnoreCase(\"No\")) {
System.out.println(\"returning to main session ...\");
begin();
} else {
System.out.println(\"returning to main session ...\");
}
} else {
System.out.println(\"Sorry, we could not find \" +borrowName);
System.out.println(\"returning to main session ...\");
begin();
}
}
public void borrow1(String nameOfBook) {
System.out.println(\"Borrowing ...\");
availBooks.remove(nameOfBook);
borrowedBooks.add(nameOfBook);
System.out.println(\"You have successfully borrowed \" +nameOfBook);
System.out.println(\"returning to main session ...\");
begin();
}
public void returnBook() {
System.out.println(\"What is the name of the book \"
+ \"you would like to return?\");
String returnName = input.next();
if (allBooks.contains(returnName)) {
availBooks.add(returnName);
borrowedBooks.remove(returnName);
System.out.println(\"Returning ...\");
System.out.println(\"Return successful!\");
System.out.println(\"returning to main session ...\");
begin();
} else {
System.out.println(\"This book does not belong to thisLibrary\");
System.out.println(\"returning to main session ...\");
begin();
}
}
}
/*
* To change this license header, choose License Headers inProject Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package librarysystem;
import java.util.ArrayList;
import java.util.Scanner;
import java.util.Arrays;
import java.util.List;
/**
*
*/
public class Users {
Books book = new Books();
ArrayList rUsers = newArrayList<>();
Scanner input = new Scanner(System.in);
Users() {
}
public void arrayList() {
rUsers.add(\"name1\");
rUsers.add(\"name2\");
}
public void createAccount() {
System.out.println(\"To register, please enter your Fullname\");
String fullname = input.nextLine();
rUsers.add(fullname);
System.out.println(\"You have succesfully registered!\");
book.allBooks();
book.availableBooks();
book.borrowedBooks();
//CALL THE METHOD THAT STARTS THE OPTIONS
book.begin();
}
public void logIn() {
System.out.println(\"Please enter your name\");
String name = input.nextLine();
if (rUsers.contains(name)) {
System.out.println(\"You are logged in!\");
book.allBooks();
book.availableBooks();
book.borrowedBooks();
book.begin();
} else {
//run the loop that asks the questions
System.out.println(\"Invalid Login\");
System.out.println(\"Please create account if you are notregistered\");
createAccount();
}
}
}
/*
* To change this license header, choose License Headers inProject Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package librarysystem;
import java.util.Scanner;
/**
*
*/
public class LibrarySystem {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
Users users = new Users();
Scanner input = new Scanner(System.in);
System.out.println(\"WELCOME TO LIBRARY SYSTEM\");
System.out.println(\"Are you a registered user? Yes orNo\");
//asking user if he or she is registered in order to getaccess into
//the system
String answer = input.nextLine();
// the answer the user types in
if (answer.equalsIgnoreCase(\"Yes\")) {
//if the user is part of the system log in
users.arrayList();
users.logIn();
} else {
users.createAccount();
users.logIn();
}
}
}
