import java.util.Scanner;

public class LibraryManagementSystem {
    // Classes for Book, Student, and Library Management
    static class Book {
        private int sNo;
        private String bookName;
        private String authorName;
        private int bookQty;
        private int bookQtyCopy;

        public Book() {
            Scanner input = new Scanner(System.in);
            System.out.print("Enter Serial No of Book: ");
            this.sNo = input.nextInt();
            input.nextLine(); // Clear buffer

            System.out.print("Enter Book Name: ");
            this.bookName = input.nextLine();

            System.out.print("Enter Author Name: ");
            this.authorName = input.nextLine();

            System.out.print("Enter Quantity of Books: ");
            this.bookQty = input.nextInt();
            this.bookQtyCopy = this.bookQty;
        }

        public int getsNo() { return sNo; }
        public String getBookName() { return bookName; }
        public String getAuthorName() { return authorName; }
        public int getBookQty() { return bookQty; }
        public int getBookQtyCopy() { return bookQtyCopy; }

        public void addBookQty(int qty) {
            this.bookQty += qty;
            this.bookQtyCopy += qty;
        }
    }

    static class Student {
        private String studentName;
        private String regNum;
        private Book[] borrowedBooks = new Book[3];
        public int booksCount = 0;

        public Student() {
            Scanner input = new Scanner(System.in);
            System.out.print("Enter Student Name: ");
            this.studentName = input.nextLine();

            System.out.print("Enter Registration Number: ");
            this.regNum = input.nextLine();
        }

        public String getRegNum() { return regNum; }
        public String getStudentName() { return studentName; }
    }

    static class Library {
        private Book[] books = new Book[50];
        private Student[] students = new Student[50];
        private static int bookCount = 0;
        private static int studentCount = 0;

        public void addBook(Book book) {
            for (int i = 0; i < bookCount; i++) {
                if (book.getsNo() == books[i].getsNo() || book.getBookName().equalsIgnoreCase(books[i].getBookName())) {
                    System.out.println("Book already exists.");
                    return;
                }
            }
            if (bookCount < 50) {
                books[bookCount++] = book;
                System.out.println("Book added successfully.");
            } else {
                System.out.println("No space to add more books.");
            }
        }

        public void showAllBooks() {
            System.out.println("S.No\tName\tAuthor\tAvailable Qty\tTotal Qty");
            for (int i = 0; i < bookCount; i++) {
                System.out.printf("%d\t%s\t%s\t%d\t%d%n", 
                    books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(), 
                    books[i].getBookQtyCopy(), books[i].getBookQty());
            }
        }

        public void searchBySerialNumber(int sNo) {
            for (int i = 0; i < bookCount; i++) {
                if (books[i].getsNo() == sNo) {
                    System.out.printf("Found: %d\t%s\t%s\t%d\t%d%n",
                        books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(), 
                        books[i].getBookQtyCopy(), books[i].getBookQty());
                    return;
                }
            }
            System.out.println("No Book found with Serial No " + sNo);
        }

        public void addStudent(Student student) {
            for (int i = 0; i < studentCount; i++) {
                if (student.getRegNum().equalsIgnoreCase(students[i].getRegNum())) {
                    System.out.println("Student is already registered.");
                    return;
                }
            }
            if (studentCount < 50) {
                students[studentCount++] = student;
                System.out.println("Student registered successfully.");
            } else {
                System.out.println("No space to add more students.");
            }
        }

        public void showAllStudents() {
            System.out.println("Student Name\tReg Number");
            for (int i = 0; i < studentCount; i++) {
                System.out.printf("%s\t%s%n", students[i].getStudentName(), students[i].getRegNum());
            }
        }
    }

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        Library library = new Library();
        int choice;

        do {
            displayMenu();
            choice = input.nextInt();

            switch (choice) {
                case 1:
                    library.addBook(new Book());
                    break;
                case 2:
                    library.showAllBooks();
                    break;
                case 3:
                    System.out.print("Enter Serial No of Book to search: ");
                    int sNo = input.nextInt();
                    library.searchBySerialNumber(sNo);
                    break;
                case 4:
                    library.addStudent(new Student());
                    break;
                case 5:
                    library.showAllStudents();
                    break;
                case 0:
                    System.out.println("Exiting the application.");
                    break;
                default:
                    System.out.println("Invalid choice. Please select between 0 to 5.");
            }
        } while (choice != 0);
        input.close();
    }

    private static void displayMenu() {
        System.out.println("******************** Welcome to the Library! ********************");
        System.out.println("1. Add new Book");
        System.out.println("2. Show All Books");
        System.out.println("3. Search a Book by Serial No");
        System.out.println("4. Register Student");
        System.out.println("5. Show All Registered Students");
        System.out.println("0. Exit");
        System.out.println("********************************************************************");
    }
}
import java.util.Scanner;

public class LibraryManagementSystem {
    // Classes for Book, Student, and Library Management
    static class Book {
        private int sNo;
        private String bookName;
        private String authorName;
        private int bookQty;
        private int bookQtyCopy;

        public Book() {
            Scanner input = new Scanner(System.in);
            System.out.print("Enter Serial No of Book: ");
            this.sNo = input.nextInt();
            input.nextLine(); // Clear buffer

            System.out.print("Enter Book Name: ");
            this.bookName = input.nextLine();

            System.out.print("Enter Author Name: ");
            this.authorName = input.nextLine();

            System.out.print("Enter Quantity of Books: ");
            this.bookQty = input.nextInt();
            this.bookQtyCopy = this.bookQty;
        }

        public int getsNo() { return sNo; }
        public String getBookName() { return bookName; }
        public String getAuthorName() { return authorName; }
        public int getBookQty() { return bookQty; }
        public int getBookQtyCopy() { return bookQtyCopy; }

        public void addBookQty(int qty) {
            this.bookQty += qty;
            this.bookQtyCopy += qty;
        }
    }

    static class Student {
        private String studentName;
        private String regNum;
        private Book[] borrowedBooks = new Book[3];
        public int booksCount = 0;

        public Student() {
            Scanner input = new Scanner(System.in);
            System.out.print("Enter Student Name: ");
            this.studentName = input.nextLine();

            System.out.print("Enter Registration Number: ");
            this.regNum = input.nextLine();
        }

        public String getRegNum() { return regNum; }
        public String getStudentName() { return studentName; }
    }

    static class Library {
        private Book[] books = new Book[50];
        private Student[] students = new Student[50];
        private static int bookCount = 0;
        private static int studentCount = 0;

        public void addBook(Book book) {
            for (int i = 0; i < bookCount; i++) {
                if (book.getsNo() == books[i].getsNo() || book.getBookName().equalsIgnoreCase(books[i].getBookName())) {
                    System.out.println("Book already exists.");
                    return;
                }
            }
            if (bookCount < 50) {
                books[bookCount++] = book;
                System.out.println("Book added successfully.");
            } else {
                System.out.println("No space to add more books.");
            }
        }

        public void showAllBooks() {
            System.out.println("S.No\tName\tAuthor\tAvailable Qty\tTotal Qty");
            for (int i = 0; i < bookCount; i++) {
                System.out.printf("%d\t%s\t%s\t%d\t%d%n", 
                    books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(), 
                    books[i].getBookQtyCopy(), books[i].getBookQty());
            }
        }

        public void searchBySerialNumber(int sNo) {
            for (int i = 0; i < bookCount; i++) {
                if (books[i].getsNo() == sNo) {
                    System.out.printf("Found: %d\t%s\t%s\t%d\t%d%n",
                        books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(), 
                        books[i].getBookQtyCopy(), books[i].getBookQty());
                    return;
                }
            }
            System.out.println("No Book found with Serial No " + sNo);
        }

        public void addStudent(Student student) {
            for (int i = 0; i < studentCount; i++) {
                if (student.getRegNum().equalsIgnoreCase(students[i].getRegNum())) {
                    System.out.println("Student is already registered.");
                    return;
                }
            }
            if (studentCount < 50) {
                students[studentCount++] = student;
                System.out.println("Student registered successfully.");
            } else {
                System.out.println("No space to add more students.");
            }
        }

        public void showAllStudents() {
            System.out.println("Student Name\tReg Number");
            for (int i = 0; i < studentCount; i++) {
                System.out.printf("%s\t%s%n", students[i].getStudentName(), students[i].getRegNum());
            }
        }
    }

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        Library library = new Library();
        int choice;

        do {
            displayMenu();
            choice = input.nextInt();

            switch (choice) {
                case 1:
                    library.addBook(new Book());
                    break;
                case 2:
                    library.showAllBooks();
                    break;
                case 3:
                    System.out.print("Enter Serial No of Book to search: ");
                    int sNo = input.nextInt();
                    library.searchBySerialNumber(sNo);
                    break;
                case 4:
                    library.addStudent(new Student());
                    break;
                case 5:
                    library.showAllStudents();
                    break;
                case 0:
                    System.out.println("Exiting the application.");
                    break;
                default:
                    System.out.println("Invalid choice. Please select between 0 to 5.");
            }
        } while (choice != 0);
        input.close();
    }

    private static void displayMenu() {
        System.out.println("******************** Welcome to the Library! ********************");
        System.out.println("1. Add new Book");
        System.out.println("2. Show All Books");
        System.out.println("3. Search a Book by Serial No");
        System.out.println("4. Register Student");
        System.out.println("5. Show All Registered Students");
        System.out.println("0. Exit");
        System.out.println("********************************************************************");
    }
}
Standard input is empty
import java.util.Scanner;
public class LibraryManagementSystem {
// Classes for Book, Student, and Library Management
static class Book {
private int sNo;
private String bookName;
private String authorName;
private int bookQty;
private int bookQtyCopy;
public Book() {
Scanner input = new Scanner(System.in);
System.out.print("Enter Serial No of Book: ");
this.sNo = input.nextInt();
input.nextLine(); // Clear buffer
System.out.print("Enter Book Name: ");
this.bookName = input.nextLine();
System.out.print("Enter Author Name: ");
this.authorName = input.nextLine();
System.out.print("Enter Quantity of Books: ");
this.bookQty = input.nextInt();
this.bookQtyCopy = this.bookQty;
}
public int getsNo() { return sNo; }
public String getBookName() { return bookName; }
public String getAuthorName() { return authorName; }
public int getBookQty() { return bookQty; }
public int getBookQtyCopy() { return bookQtyCopy; }
public void addBookQty(int qty) {
this.bookQty += qty;
this.bookQtyCopy += qty;
}
}
static class Student {
private String studentName;
private String regNum;
private Book[] borrowedBooks = new Book[3];
public int booksCount = 0;
public Student() {
Scanner input = new Scanner(System.in);
System.out.print("Enter Student Name: ");
this.studentName = input.nextLine();
System.out.print("Enter Registration Number: ");
this.regNum = input.nextLine();
}
public String getRegNum() { return regNum; }
public String getStudentName() { return studentName; }
}
static class Library {
private Book[] books = new Book[50];
private Student[] students = new Student[50];
private static int bookCount = 0;
private static int studentCount = 0;
public void addBook(Book book) {
for (int i = 0; i < bookCount; i++) {
if (book.getsNo() == books[i].getsNo() || book.getBookName().equalsIgnoreCase(books[i].getBookName())) {
System.out.println("Book already exists.");
return;
}
}
if (bookCount < 50) {
books[bookCount++] = book;
System.out.println("Book added successfully.");
} else {
System.out.println("No space to add more books.");
}
}
public void showAllBooks() {
System.out.println("S.No\tName\tAuthor\tAvailable Qty\tTotal Qty");
for (int i = 0; i < bookCount; i++) {
System.out.printf("%d\t%s\t%s\t%d\t%d%n",
books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(),
books[i].getBookQtyCopy(), books[i].getBookQty());
}
}
public void searchBySerialNumber(int sNo) {
for (int i = 0; i < bookCount; i++) {
if (books[i].getsNo() == sNo) {
System.out.printf("Found: %d\t%s\t%s\t%d\t%d%n",
books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(),
books[i].getBookQtyCopy(), books[i].getBookQty());
return;
}
}
System.out.println("No Book found with Serial No " + sNo);
}
public void addStudent(Student student) {
for (int i = 0; i < studentCount; i++) {
if (student.getRegNum().equalsIgnoreCase(students[i].getRegNum())) {
System.out.println("Student is already registered.");
return;
}
}
if (studentCount < 50) {
students[studentCount++] = student;
System.out.println("Student registered successfully.");
} else {
System.out.println("No space to add more students.");
}
}
public void showAllStudents() {
System.out.println("Student Name\tReg Number");
for (int i = 0; i < studentCount; i++) {
System.out.printf("%s\t%s%n", students[i].getStudentName(), students[i].getRegNum());
}
}
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
Library library = new Library();
int choice;
do {
displayMenu();
choice = input.nextInt();
switch (choice) {
case 1:
library.addBook(new Book());
break;
case 2:
library.showAllBooks();
break;
case 3:
System.out.print("Enter Serial No of Book to search: ");
int sNo = input.nextInt();
library.searchBySerialNumber(sNo);
break;
case 4:
library.addStudent(new Student());
break;
case 5:
library.showAllStudents();
break;
case 0:
System.out.println("Exiting the application.");
break;
default:
System.out.println("Invalid choice. Please select between 0 to 5.");
}
} while (choice != 0);
input.close();
}
private static void displayMenu() {
System.out.println("******************** Welcome to the Library! ********************");
System.out.println("1. Add new Book");
System.out.println("2. Show All Books");
System.out.println("3. Search a Book by Serial No");
System.out.println("4. Register Student");
System.out.println("5. Show All Registered Students");
System.out.println("0. Exit");
System.out.println("********************************************************************");
}
}
import java.util.Scanner;
public class LibraryManagementSystem {
// Classes for Book, Student, and Library Management
static class Book {
private int sNo;
private String bookName;
private String authorName;
private int bookQty;
private int bookQtyCopy;
public Book() {
Scanner input = new Scanner(System.in);
System.out.print("Enter Serial No of Book: ");
this.sNo = input.nextInt();
input.nextLine(); // Clear buffer
System.out.print("Enter Book Name: ");
this.bookName = input.nextLine();
System.out.print("Enter Author Name: ");
this.authorName = input.nextLine();
System.out.print("Enter Quantity of Books: ");
this.bookQty = input.nextInt();
this.bookQtyCopy = this.bookQty;
}
public int getsNo() { return sNo; }
public String getBookName() { return bookName; }
public String getAuthorName() { return authorName; }
public int getBookQty() { return bookQty; }
public int getBookQtyCopy() { return bookQtyCopy; }
public void addBookQty(int qty) {
this.bookQty += qty;
this.bookQtyCopy += qty;
}
}
static class Student {
private String studentName;
private String regNum;
private Book[] borrowedBooks = new Book[3];
public int booksCount = 0;
public Student() {
Scanner input = new Scanner(System.in);
System.out.print("Enter Student Name: ");
this.studentName = input.nextLine();
System.out.print("Enter Registration Number: ");
this.regNum = input.nextLine();
}
public String getRegNum() { return regNum; }
public String getStudentName() { return studentName; }
}
static class Library {
private Book[] books = new Book[50];
private Student[] students = new Student[50];
private static int bookCount = 0;
private static int studentCount = 0;
public void addBook(Book book) {
for (int i = 0; i < bookCount; i++) {
if (book.getsNo() == books[i].getsNo() || book.getBookName().equalsIgnoreCase(books[i].getBookName())) {
System.out.println("Book already exists.");
return;
}
}
if (bookCount < 50) {
books[bookCount++] = book;
System.out.println("Book added successfully.");
} else {
System.out.println("No space to add more books.");
}
}
public void showAllBooks() {
System.out.println("S.No\tName\tAuthor\tAvailable Qty\tTotal Qty");
for (int i = 0; i < bookCount; i++) {
System.out.printf("%d\t%s\t%s\t%d\t%d%n",
books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(),
books[i].getBookQtyCopy(), books[i].getBookQty());
}
}
public void searchBySerialNumber(int sNo) {
for (int i = 0; i < bookCount; i++) {
if (books[i].getsNo() == sNo) {
System.out.printf("Found: %d\t%s\t%s\t%d\t%d%n",
books[i].getsNo(), books[i].getBookName(), books[i].getAuthorName(),
books[i].getBookQtyCopy(), books[i].getBookQty());
return;
}
}
System.out.println("No Book found with Serial No " + sNo);
}
public void addStudent(Student student) {
for (int i = 0; i < studentCount; i++) {
if (student.getRegNum().equalsIgnoreCase(students[i].getRegNum())) {
System.out.println("Student is already registered.");
return;
}
}
if (studentCount < 50) {
students[studentCount++] = student;
System.out.println("Student registered successfully.");
} else {
System.out.println("No space to add more students.");
}
}
public void showAllStudents() {
System.out.println("Student Name\tReg Number");
for (int i = 0; i < studentCount; i++) {
System.out.printf("%s\t%s%n", students[i].getStudentName(), students[i].getRegNum());
}
}
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
Library library = new Library();
int choice;
do {
displayMenu();
choice = input.nextInt();
switch (choice) {
case 1:
library.addBook(new Book());
break;
case 2:
library.showAllBooks();
break;
case 3:
System.out.print("Enter Serial No of Book to search: ");
int sNo = input.nextInt();
library.searchBySerialNumber(sNo);
break;
case 4:
library.addStudent(new Student());
break;
case 5:
library.showAllStudents();
break;
case 0:
System.out.println("Exiting the application.");
break;
default:
System.out.println("Invalid choice. Please select between 0 to 5.");
}
} while (choice != 0);
input.close();
}
private static void displayMenu() {
System.out.println("******************** Welcome to the Library! ********************");
System.out.println("1. Add new Book");
System.out.println("2. Show All Books");
System.out.println("3. Search a Book by Serial No");
System.out.println("4. Register Student");
System.out.println("5. Show All Registered Students");
System.out.println("0. Exit");
System.out.println("********************************************************************");
}
}
language:
PHP (php 7.3.5)
created:
5 days ago
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