Teknik Informatika: Soal UAS Pemrograman Berorientasi Objek (PBO).

in the f ava code belorv,there are some errors relatedto the conceptof PBO[Dealingwith
accessrights, polymorphism, abstract class implementation,and exception handling).
Identify only 5 errors that are containedin the code,explainthe reasonswhy the code
is wrong, and how to solve the problems.
Class Library{
Book collections

= new Book [100] ;

LibraryO

public

co]-lections

{
-

[O]

new Novel

O i

collections

[1]

= new

collections

[2]

= new Book0;

col-lections

[3]

= new

Literature

O ,'

Literature

O ,'

)
inPutBook()

woid

public

{

f o r ( i n t i = 0 ; i < 4 ; i + + )
collections

[i] . inPutfnfo

generateBook

woid

pubJ.ic

O ;

O {

f o r ( i n t i = 0 ; i < 4 ; i + + )

rroid

public

() ;

[i ] . generateBook

collections

O {

PrintRePorts

f o r ( i n t i = 0 ; i < 4 ; i + + )
() ;

Ii ] . PrintRePort

collections
I

Nowel

Class

Book{

extends

langrrage;

String

public

O {
rroid PrintRePort
( " The I S B N
Sys tem. out . Println
( "The Title
System. out. Println

public

System. out. Println

System. out. Println

puJclic

Author

Langlf,age: "*this

void
(cat -=

publ.ic
if

Book{

categ'orY;

String

setCategory(int

cat)

1)

this.categorY
else
if (cat ::

= "Corrq)uter"
2)

title)

( "The

extends

Literature

isbn)

: "*this.
: "*this.

( "The

l
Class

: "*this.

;

{

;
,'

author)
. langrrage)

;

this.

categioryr = '.L;;;u;;E;J

e].se
this.

= \Genetal,.,.

category

)
inqgort

ilawa.util.

. Scanner;

Abstract
Class Book{
protected
String
title,
priwate
String
isbn;
pubJ.ic

abstract

publie

woid

woid

author,-

printReportO

;

inputlnfoo
throws IoExceptior.
| // foException
Scanner input
= ne$, Scanne!(System.in),.
this.title
= input.nextl.ineO
;

this.author

= input.nextl.ineO

need

to

be hand.ts61

;

)
pubJ.ic

woid
this.tit]-e

seti,ttributes(String
= title;
this.author

titJ.e,
String
= author;

author)

t

l

Implementthe designof classDiagrambelowinto
favaprogrammingLanguage.

lbordinabrMab

Kuliah

Ka. Prodi