prog_1_book's Introduction

prog_1_book

serie 3 ex 1

/* ************************************************************************* *\

           Programmierung 1 HS 2018 - Serie 3-1                         *

* ************************************************************************* */

import java.util.Date; import java.util.Scanner; import java.text.*;

public class Book { private int id; private String title; private String author; private Date dateOfPublication;

public static final String DATE_FORMAT = "dd.MM.yyyy";

//--- constructors ---

// TODO: Insert your code here!


/** Returns the age of the book in days since publication */
public int age()
{
	// TODO: Insert your code here!
	return 0; //this is to avoid compiler errors, replace it!
}

/** Returns a String representation of the book */
public String toString()
{
	// TODO: Insert your code here!
	return ""; //this is to avoid compiler errors, replace it!
}

/** Reads all book data from user input */
public void input() 
{
	Scanner scn = new Scanner( System.in );
	System.out.print( "Please enter id: " );

	// TODO: Insert your code here!

}

//--- Get-/Set-methods ---

// TODO: Insert your code here!

//--- helper methods -- DO NOT CHANGE ------------------------------------
/** Converts the Date object d into a String object */
public static String dateToString( Date d )
{
	SimpleDateFormat fmt = new SimpleDateFormat( DATE_FORMAT );
	return fmt.format( d );
}

/** Converts the String object s into a Date object */
public static Date stringToDate( String s ) 
{
	Date r = null;
	try {
		SimpleDateFormat fmt = new SimpleDateFormat( DATE_FORMAT );
		r = fmt.parse( s );
	} catch ( ParseException e ){
		System.err.println( e );
		System.exit(1);
	}
	return r;
}

}

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