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vault backup: 2024-03-05 16:01:50

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George Wilkinson
2024-03-05 16:01:50 +00:00
parent 8ce640b4ba
commit 28ea6a0a9b
36 changed files with 314 additions and 89 deletions
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Semester 2/Programming 2/Project/Part 2/AudioVisual.class
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Semester 2/Programming 2/Project/Part 2/AudioVisual.java
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@@ -1,14 +1,12 @@
/**
* Write a description of class AudioVisual here.
* Subclass of LibraryItem to create objects of audio and visual items in a library.
*
* @author (your name)
* @version (a version number or a date)
* @George Wilkinson
* @1.0
*/
import java.util.Scanner;
import java.util.ArrayList;
import java.util.NoSuchElementException;
public abstract class AudioVisual extends LibraryItem
{

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Semester 2/Programming 2/Project/Part 2/Book.class
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Semester 2/Programming 2/Project/Part 2/Book.ctxt
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@@ -1,9 +1,23 @@
#BlueJ class context
comment0.params=
comment0.target=Book()
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ Book\n
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ Book\n\ Since\ all\ field\ variables\ initialise\ as\ null,\ nothing\ should\ happen\ here.\n
comment1.params=
comment1.target=void\ printDetails()
comment2.params=detailScanner
comment2.target=void\ readItemData(java.util.Scanner)
numComments=3
comment1.target=java.lang.String\ getAuthor()
comment1.text=\n\ Return\ value\ of\ @author\n
comment2.params=
comment2.target=java.lang.String\ getIsbn()
comment2.text=\n\ Return\ value\ of\ @isbn.\n
comment3.params=author
comment3.target=void\ setAuthor(java.lang.String)
comment3.text=\n\ Set\ value\ of\ @author.\n
comment4.params=isbn
comment4.target=void\ setIsbn(java.lang.String)
comment4.text=\n\ Set\ value\ of\ @isbn\n
comment5.params=
comment5.target=void\ printDetails()
comment5.text=\n\ Print\ to\ terminal,\ relevant\ details\ of\ current\ object.\n
comment6.params=detailScanner
comment6.target=void\ readItemData(java.util.Scanner)
comment6.text=\n\ Passed\ a\ scanner\ object,\ set\ field\ variables\ to\ corresponding\ values.\n
numComments=7

41
Semester 2/Programming 2/Project/Part 2/Book.java
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@@ -3,7 +3,7 @@
* Subclass of LibraryItem that emulates a Book item.
*
* @George Wilkinson
* @1.0
* @2.3
*/
import java.util.Scanner;
@@ -15,15 +15,54 @@ public class Book extends PrintedItem
/**
* Constructor for objects of class Book
* Since all field variables initialise as null, nothing should happen here.
*/
public Book(){}
/*
* Return value of @author
*/
public String getAuthor()
{
return author;
}
/*
* Return value of @isbn.
*/
public String getIsbn()
{
return isbn;
}
/*
* Set value of @author.
*/
public void setAuthor( String author )
{
this.author = author;
}
/*
* Set value of @isbn
*/
public void setIsbn( String isbn )
{
this.isbn = isbn;
}
/*
* Print to terminal, relevant details of current object.
*/
public void printDetails() {
System.out.println( "ISBN: " + isbn +
"\nAuthor: " + author );
super.printDetails();
}
/*
* Passed a scanner object, set field variables to corresponding values.
*/
public void readItemData( Scanner detailScanner ){
if ( detailScanner != null ) {
this.author = detailScanner.next().trim();

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Semester 2/Programming 2/Project/Part 2/CD.class
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Semester 2/Programming 2/Project/Part 2/CD.ctxt
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@@ -1,17 +1,23 @@
#BlueJ class context
comment0.params=
comment0.target=CD()
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ CD\n
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ CD\n\ Since\ all\ field\ variables\ initialise\ as\ null,\ nothing\ should\ happen\ here.\n
comment1.params=
comment1.target=java.lang.String\ getArtist()
comment1.text=\n\ Return\ value\ of\ @artist.\n
comment2.params=
comment2.target=int\ noOfTracks()
comment2.text=\n\ Return\ value\ of\ @noOfTracks\n
comment3.params=artist
comment3.target=void\ setArtist(java.lang.String)
comment3.text=\n\ Set\ value\ of\ @artist.\n
comment4.params=noOfTracks
comment4.target=void\ setNoOfTracks(int)
comment4.text=\n\ Set\ value\ of\ @noOfTracks.\n
comment5.params=
comment5.target=void\ printDetails()
comment5.text=\n\ Print\ to\ terminal,\ relevant\ details\ of\ current\ object.\n
comment6.params=detailScanner
comment6.target=void\ readItemData(java.util.Scanner)
comment6.text=\n\ Passed\ a\ scanner,\ set\ the\ relevant\ details\ to\ their\ corresponding\ field\ variables.\n
numComments=7

25
Semester 2/Programming 2/Project/Part 2/CD.java
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@@ -1,9 +1,9 @@
/**
* Write a description of class CD here.
* Subclass of AudioVisual, to create objects of a CD.
*
* @author (your name)
* @version (a version number or a date)
* @George Wilkinson
* @1.0
*/
import java.util.Scanner;
@@ -15,35 +15,54 @@ public class CD extends AudioVisual
/**
* Constructor for objects of class CD
* Since all field variables initialise as null, nothing should happen here.
*/
public CD(){}
/*
* Return value of @artist.
*/
public String getArtist()
{
return artist;
}
/*
* Return value of @noOfTracks
*/
public int noOfTracks()
{
return noOfTracks;
}
/*
* Set value of @artist.
*/
public void setArtist( String artist )
{
this.artist = artist;
}
/*
* Set value of @noOfTracks.
*/
public void setNoOfTracks( int noOfTracks )
{
this.noOfTracks = noOfTracks;
}
/*
* Print to terminal, relevant details of current object.
*/
public void printDetails() {
System.out.println( "Artist: " + artist +
"\nTrack Count: " + noOfTracks );
super.printDetails();
}
/*
* Passed a scanner, set the relevant details to their corresponding field variables.
*/
public void readItemData( Scanner detailScanner ){
if ( detailScanner != null ) {
this.artist = detailScanner.next().trim();

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Semester 2/Programming 2/Project/Part 2/DVD.class
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Semester 2/Programming 2/Project/Part 2/DVD.ctxt
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@@ -1,13 +1,17 @@
#BlueJ class context
comment0.params=
comment0.target=DVD()
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ DVD\n
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ DVD\n\ Since\ all\ field\ variables\ initialise\ as\ null,\ nothing\ should\ happen\ here.\n
comment1.params=
comment1.target=java.lang.String\ getDirector()
comment1.text=\n\ Return\ value\ of\ @director.\n
comment2.params=director
comment2.target=void\ setDirector(java.lang.String)
comment2.text=\n\ Set\ value\ of\ @director.\n
comment3.params=
comment3.target=void\ printDetails()
comment3.text=\n\ Print\ relevant\ details\ of\ the\ current\ object.\n
comment4.params=detailScanner
comment4.target=void\ readItemData(java.util.Scanner)
comment4.text=\n\ Passed\ a\ scanner\ object,\ give\ the\ relevant\ variable\ a\ value.\n
numComments=5

20
Semester 2/Programming 2/Project/Part 2/DVD.java
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@@ -1,9 +1,9 @@
/**
* Write a description of class DVD here.
* Subclass of AudioVisual to create objects of DVD items.
*
* @author (your name)
* @version (a version number or a date)
* @George Wilkinson
* @1.0
*/
import java.util.Scanner;
@@ -11,26 +11,40 @@ import java.util.Scanner;
public class DVD extends AudioVisual
{
private String director;
/**
* Constructor for objects of class DVD
* Since all field variables initialise as null, nothing should happen here.
*/
public DVD(){}
/*
* Return value of @director.
*/
public String getDirector()
{
return director;
}
/*
* Set value of @director.
*/
public void setDirector( String director )
{
this.director = director;
}
/*
* Print relevant details of the current object.
*/
public void printDetails() {
System.out.println( "Director: " + director );
super.printDetails();
}
/*
* Passed a scanner object, give the relevant variable a value.
*/
public void readItemData( Scanner detailScanner ){
if ( detailScanner != null ) {
this.director = detailScanner.next().trim();

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Semester 2/Programming 2/Project/Part 2/Library.class
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Semester 2/Programming 2/Project/Part 2/Library.ctxt
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@@ -10,7 +10,7 @@ comment2.target=void\ storeUser(LibraryUser)
comment2.text=\n\ Appends\ a\ LibraryUser\ to\ the\ userList.\n
comment3.params=prefix\ length
comment3.target=java.lang.String\ generateUserID(java.lang.String,\ int)
comment3.text=\n\ Returns\ a\ random\ unique\ user\ ID\ by\ specifying\ \n\ @prefix\ -\ arbitrary\ alphanumeric\ prefix\n\ @length\ -\ length\ of\ numeric\ ID\n\ \n\ Example\:\ length\ \=\ 6,\ expected\ result\ should\ be\ under\ 999,999\ and\ above\ 99,999.\n\ If\ we\ just\ use\ 10^(length),\ this\ would\ generate\ any\ number\ under\ 1,000,000.\n\ This\ is\ an\ issue\ since\ any\ integers\ below\ 100,000\ can\ be\ used,\ which\ would\ be\ incorrect.\n\ By\ using\ the\ offset\ of\ a\ factor\ of\ 10\ below\ the\ desired\ length\ we\ can\ generate\ between\ 0\ and\ 899,999.\n\ After\ this,\ we\ can\ add\ 100,000\ back\ to\ the\ number\ to\ ensure\ a\ baseline\ length\ is\ maintained.\n\ \n\ Note\:\ I\ am\ aware\ that\ this\ is\ overengineered,\ and\ that\ several\ random\ integers\ of\ amount\ @length\ could\ be\ used,\ \n\ but\ this\ is\ considerably\ more\ efficient\ since\ there\ is\ no\ iteration\ involved\ in\ the\ creation\ of\ the\ ID.\ O(1)\n
comment3.text=\n\ Returns\ a\ random\ unique\ user\ ID\ by\ specifying\ \n\ @prefix\ -\ arbitrary\ alphanumeric\ prefix\n\ @length\ -\ length\ of\ numeric\ ID\n\ and\ returning\ a\ unique\ user\ id\n\ @uuid\ -\ a\ unique\ string\ starting\ with\ @prefix,\ and\ concat.\ with\ a\ random\ number\n\ \n\ Example\:\ length\ \=\ 6,\ expected\ result\ should\ be\ under\ 999,999\ and\ above\ 99,999.\n\ If\ we\ just\ use\ 10^(length),\ this\ would\ generate\ any\ number\ under\ 1,000,000.\n\ This\ is\ an\ issue\ since\ any\ integers\ below\ 100,000\ can\ be\ used,\ which\ would\ be\ incorrect.\n\ By\ using\ the\ offset\ of\ a\ factor\ of\ 10\ below\ the\ desired\ length\ we\ can\ generate\ between\ 0\ and\ 899,999.\n\ After\ this,\ we\ can\ add\ 100,000\ back\ to\ the\ number\ to\ ensure\ a\ baseline\ length\ is\ maintained.\n\ \n\ Note\:\ I\ am\ aware\ that\ this\ is\ overengineered,\ and\ that\ several\ random\ integers\ of\ amount\ @length\ could\ be\ used,\ \n\ but\ this\ is\ considerably\ more\ efficient\ since\ there\ is\ no\ iteration\ involved\ in\ the\ creation\ of\ the\ ID.\ O(1)\n
comment4.params=
comment4.target=void\ writeUserData()
comment4.text=\n\ A\ method\ to\ output\ all\ user\ data\ to\ a\ file\ using\ a\ fileDialog\ to\ specify\ file\ location.\n\ \n\ Note\:\ Potentially\ could\ implement\ the\ HashSet\ made\ for\ GenerateUserID\ to\ avoid\ unnecessary\ recursion.\n

2
Semester 2/Programming 2/Project/Part 2/Library.java
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@@ -3,7 +3,7 @@
* Class to create objects of a Library, which can hold and report on assets held within
*
* @George Wilkinson
* @2.0
* @3.0
*/
// Import all required libraries. Not using .* as it is not good practice due to potential conflicts.

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Semester 2/Programming 2/Project/Part 2/LibraryItem.class
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Semester 2/Programming 2/Project/Part 2/LibraryItem.ctxt
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@@ -6,9 +6,10 @@ comment1.params=
comment1.target=java.lang.String\ getItemCode()
comment10.params=
comment10.target=void\ printDetails()
comment10.text=\n\ \ \ \ public\ void\ printDetails()\n\ \ \ \ {\n\ \ \ \ \ \ \ \ System.out.println(\ title\ +\ "\ with\ an\ item\ code\ "\ +\ itemCode\ +\ "\ has\ been\ borrowed\ "\ +\ timesBorrowed\ +\ "\ times.");\n\ \ \ \ \ \ \ \ if(\ onLoan\ )\n\ \ \ \ \ \ \ \ \ \ \ \ System.out.println(\ "This\ item\ is\ at\ present\ on\ loan\ and\ when\ new\ cost\ "\ +\ cost\ +\ "\ pence.\\n"\ );\n\ \ \ \ \ \ \ \ else\ \n\ \ \ \ \ \ \ \ \ \ \ \ System.out.println(\ "This\ item\ is\ at\ present\ not\ on\ loan\ and\ when\ new\ cost\ "\ +\ cost\ +\ "\ pence.\\n"\ );\n\ \ \ \ }\n
comment10.text=\n\ Print\ to\ terminal,\ relevant\ field\ variables\n
comment11.params=detailScanner
comment11.target=void\ readItemData(java.util.Scanner)
comment11.text=\n\ Passed\ a\ scanner\ object,\ assign\ values\ to\ relevant\ field\ variables\n
comment2.params=
comment2.target=int\ getCost()
comment3.params=

25
Semester 2/Programming 2/Project/Part 2/LibraryItem.java
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@@ -3,7 +3,7 @@
* Superclass of items / assets stored in a Library.
*
* @George Wilkinson
* @2.1
* @3.1
*/
import java.util.Scanner;
@@ -12,7 +12,7 @@ import java.util.NoSuchElementException;
public abstract class LibraryItem
{
// instance variables - replace the example below with your own
// instance variables
private String title;
private String itemCode;
private int cost;
@@ -81,25 +81,15 @@ public abstract class LibraryItem
/*
* Field Mutator End
*/
// Output to console the details of the fields in a human-readable format.
/*
public void printDetails()
{
System.out.println( title + " with an item code " + itemCode + " has been borrowed " + timesBorrowed + " times.");
if( onLoan )
System.out.println( "This item is at present on loan and when new cost " + cost + " pence.\n" );
else
System.out.println( "This item is at present not on loan and when new cost " + cost + " pence.\n" );
}
/*
* Print to terminal, relevant field variables
*/
public void printDetails()
{
System.out.println("Item Code: " + itemCode +
"\nTitle: " + title +
"\nCost: £" + ( ( float )( cost ) )/100 +
"\nCost: £" + ( ( float )( cost ) )/100 + // Convert cost in pence to £pounds.pence to be more readable.
"\nBorrowed " + getTimesBorrowed() + " times." );
if( getOnLoan() )
System.out.println( "On Loan");
@@ -107,6 +97,9 @@ public abstract class LibraryItem
System.out.println( "Available to Loan");
}
/*
* Passed a scanner object, assign values to relevant field variables
*/
public void readItemData( Scanner detailScanner ) {
if ( detailScanner != null ) {

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Semester 2/Programming 2/Project/Part 2/LibraryUser.class
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Semester 2/Programming 2/Project/Part 2/LibraryUser.ctxt
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@@ -4,14 +4,18 @@ comment0.target=LibraryUser()
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ LibraryUser\n
comment1.params=
comment1.target=java.lang.String\ getUserID()
comment1.text=\n\ Accessor\ start\ -\ return\ values\ of\ corresponding\ variables.\n
comment10.params=title
comment10.target=void\ setTitle(java.lang.String)
comment11.params=writer
comment11.target=void\ writeData(java.io.PrintWriter)
comment11.text=\n\ Passed\ a\ PrintWriter,\ append\ field\ variables\ in\ a\ set\ format,\ and\ flush\ the\ buffer.\n
comment12.params=
comment12.target=void\ printDetails()
comment12.text=\n\ Print\ to\ terminal,\ all\ relevant\ fields.\n
comment13.params=detailScanner
comment13.target=void\ readData(java.util.Scanner)
comment13.text=\n\ Passed\ a\ scanner\ object,\ assign\ relevant\ values\ to\ field\ variables.\n
comment2.params=
comment2.target=java.lang.String\ getSurname()
comment3.params=
@@ -22,6 +26,7 @@ comment5.params=
comment5.target=java.lang.String\ getTitle()
comment6.params=userID
comment6.target=void\ setUserID(java.lang.String)
comment6.text=\n\ Accessor\ End\n\ Mutator\ Start\ -\ Set\ value\ of\ corresponding\ variables\n
comment7.params=surname
comment7.target=void\ setSurname(java.lang.String)
comment8.params=firstName

31
Semester 2/Programming 2/Project/Part 2/LibraryUser.java
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@@ -1,9 +1,9 @@
/**
* Write a description of class LibraryUser here.
* Class LibraryUser to create a user of a library.
*
* @author (your name)
* @version (a version number or a date)
* @George Wilkinson
* @1.0
*/
import java.util.Scanner;
@@ -11,7 +11,7 @@ import java.io.PrintWriter;
public class LibraryUser
{
// instance variables - replace the example below with your own
// instance variables
private String userID, surname, firstName, otherInitials, title;
/**
@@ -19,6 +19,9 @@ public class LibraryUser
*/
public LibraryUser(){}
/*
* Accessor start - return values of corresponding variables.
*/
public String getUserID(){
return userID;
}
@@ -39,8 +42,11 @@ public class LibraryUser
return title;
}
/*
* Accessor End
* Mutator Start - Set value of corresponding variables
*/
public void setUserID( String userID ){
this.userID = userID;
}
@@ -61,18 +67,31 @@ public class LibraryUser
this.title = title;
}
/*
* Mutator End
*/
/*
* Passed a PrintWriter, append field variables in a set format, and flush the buffer.
*/
public void writeData( PrintWriter writer )
{
writer.print(userID + ", " + surname + ", " + firstName + ", " + otherInitials + ", " + title + "\n");
writer.flush();
}
/*
* Print to terminal, all relevant fields.
*/
public void printDetails()
{
System.out.println( "ID: " + userID +
"\nName: " + title + " " + firstName + " " + otherInitials + " " + surname );
}
/*
* Passed a scanner object, assign relevant values to field variables.
*/
public void readData( Scanner detailScanner )
{
if ( detailScanner != null ) {

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Semester 2/Programming 2/Project/Part 2/Periodical.class
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Semester 2/Programming 2/Project/Part 2/Periodical.ctxt
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@@ -1,8 +1,17 @@
#BlueJ class context
comment0.params=
comment0.target=Periodical()
comment0.text=\n\ Constructor\ for\ objects\ of\ class\ Periodical\n\ Since\ all\ field\ variables\ initialise\ as\ null,\ nothing\ should\ happen\ here.\n
comment1.params=
comment1.target=void\ printDetails()
comment2.params=detailScanner
comment2.target=void\ readItemData(java.util.Scanner)
numComments=3
comment1.target=java.lang.String\ getPublicationDate()
comment1.text=\n\ Return\ value\ of\ @publicationDate\n
comment2.params=publicationDate
comment2.target=void\ setPublicationDate(java.lang.String)
comment2.text=\n\ Set\ value\ of\ @publicationDate\n
comment3.params=
comment3.target=void\ printDetails()
comment3.text=\n\ Print\ to\ terminal,\ relevant\ field\ variable's\ values.\n
comment4.params=detailScanner
comment4.target=void\ readItemData(java.util.Scanner)
comment4.text=\n\ Passed\ a\ scanner,\ assign\ relevant\ values\ to\ field\ variables.\n
numComments=5

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Semester 2/Programming 2/Project/Part 2/Periodical.java
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@@ -3,7 +3,7 @@
* Subclass of LibraryItem to create a periodical ( e.g. newspaper, tabloid ).
*
* @George Wilkinson
* @1.0
* @2.3
*/
import java.util.Scanner;
@@ -12,13 +12,39 @@ public class Periodical extends PrintedItem
{
private String publicationDate;
/**
* Constructor for objects of class Periodical
* Since all field variables initialise as null, nothing should happen here.
*/
public Periodical(){}
/*
* Return value of @publicationDate
*/
public String getPublicationDate()
{
return publicationDate;
}
/*
* Set value of @publicationDate
*/
public void setPublicationDate( String publicationDate )
{
this.publicationDate = publicationDate;
}
/*
* Print to terminal, relevant field variable's values.
*/
public void printDetails() {
System.out.println( "Publication Date: " + publicationDate );
super.printDetails();
}
/*
* Passed a scanner, assign relevant values to field variables.
*/
public void readItemData( Scanner detailScanner ){
if ( detailScanner != null ) {
this.publicationDate = detailScanner.next().trim();

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Semester 2/Programming 2/Project/Part 2/PrintedItem.class
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Semester 2/Programming 2/Project/Part 2/PrintedItem.java
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@@ -1,14 +1,12 @@
/**
* Write a description of class PrintedItem here.
* Subclass of LibraryItem to create objects of printed items in a library.
*
* @author (your name)
* @version (a version number or a date)
* @George Wilkinson
* @1.0
*/
import java.util.Scanner;
import java.util.ArrayList;
import java.util.NoSuchElementException;
public abstract class PrintedItem extends LibraryItem
{