SinglatonePattren.java

package singlatonepattren;
import java.sql.*;
import java.time.LocalDate;
public class SinglatonePattren {
public static void main(String[] args) throws SQLException, ClassNotFoundException {
BookDB bookDB1 =BookDB.getInstance();
bookDB1.ViewAllBooks();
bookDB1.insert("Book1",444, "Khaled","2021/5/30");
bookDB1.delete(444);
bookDB1.update(123,"Book10","Huseen","2021/10/1");
System.out.println("*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/");
BookDB bookDB2=BookDB.getInstance();
bookDB2.ViewAllBooks();
bookDB2.insert("Book8",2525, "Hosame", "2021/10/2");
bookDB2.delete(2525);
bookDB2.update(123, "Book25","Omer", "2021/04/4");
System.out.println("*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/*/");
System.out.println(bookDB1);
System.out.println(bookDB2);
}
}