help me with this error message

[joel7]

the error message i found:
C:\Users\0104381\Desktop\Testing.java:142: error: ')' expected
System.out.println("\nBook Details" + (1+b) + "Book ID: " + addBooks[b].getId() + "\nBook Title: " addBooks[b].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:142: error: illegal start of expression
System.out.println("\nBook Details" + (1+b) + "Book ID: " + addBooks[b].getId() + "\nBook Title: " addBooks[b].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:142: error: ';' expected
System.out.println("\nBook Details" + (1+b) + "Book ID: " + addBooks[b].getId() + "\nBook Title: " addBooks[b].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:143: error: not a statement
"\nBook Publisher: " + addBooks[b].getPublisher() + "\nBook Author: " + addBooks[b].getAuthor());
^
C:\Users\0104381\Desktop\Testing.java:143: error: ';' expected
"\nBook Publisher: " + addBooks[b].getPublisher() + "\nBook Author: " + addBooks[b].getAuthor());
^
C:\Users\0104381\Desktop\Testing.java:148: error: ')' expected
System.out.println("\nMegazine Details" + (1+mg) + "Megazine ID: " + addMegazine[mg].getId() + "\nMegazine Title: " addMegazine[mg].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:148: error: illegal start of expression
System.out.println("\nMegazine Details" + (1+mg) + "Megazine ID: " + addMegazine[mg].getId() + "\nMegazine Title: " addMegazine[mg].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:148: error: ';' expected
System.out.println("\nMegazine Details" + (1+mg) + "Megazine ID: " + addMegazine[mg].getId() + "\nMegazine Title: " addMegazine[mg].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:149: error: not a statement
"\nMegazine Publisher: " + addMegazine[mg].getPublisher() + "\nMegazine Date: " + addMegazine[mg].getDate1());
^
C:\Users\0104381\Desktop\Testing.java:149: error: ';' expected
"\nMegazine Publisher: " + addMegazine[mg].getPublisher() + "\nMegazine Date: " + addMegazine[mg].getDate1());
^
C:\Users\0104381\Desktop\Testing.java:154: error: ')' expected
System.out.println("\nNewspaper Details" + (1+np) + "Newspaper ID: " + addNews[np].getId() + "\nNewspaper Title: " addNews[np].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:154: error: illegal start of expression
System.out.println("\nNewspaper Details" + (1+np) + "Newspaper ID: " + addNews[np].getId() + "\nNewspaper Title: " addNews[np].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:154: error: ';' expected
System.out.println("\nNewspaper Details" + (1+np) + "Newspaper ID: " + addNews[np].getId() + "\nNewspaper Title: " addNews[np].getTitle() +
^
C:\Users\0104381\Desktop\Testing.java:155: error: not a statement
"\nNewspaper Publisher: " + addNews[np].getPublisher() + "\nNewspaper Date: " + addNews[np].getDate2());
^
C:\Users\0104381\Desktop\Testing.java:155: error: ';' expected
"\nNewspaper Publisher: " + addNews[np].getPublisher() + "\nNewspaper Date: " + addNews[np].getDate2());
^
15 errors



1
2 import java.util.Scanner;
3 public class Testing {
4
5 public static void main(String[] args){
6 Scanner input = new Scanner(System.in);
7
8 String bkId = null;
9 String bkTitle = null;
10 String bkPublisher = null;
11 String bkAuthor = null;
12
13 String mgId = null;
14 String mgTitle = null;
15 String mgPublisher = null;
16 String mgDate1 = null;
17
18 String npId = null;
19 String npTitle = null;
20 String npPublisher = null;
21 String npDate2 = null;
22
23 int chooseMenu,booksAdd,displayItem;
24
25 System.out.println("<><><><><>Welcome to KDU UC Library Management System<><><><><>");
26 System.out.println("\n1.Add Books \n2.Display Books \n3.Search Books");
27 chooseMenu = input.nextInt();
28
29 switch(chooseMenu){
30 case 1:
31 System.out.println("\n1.Add Books \n2.Add Megazine \n3.Add Newspaper");
32 booksAdd = input.nextInt();
33
34 switch(booksAdd){
35 case 1:
36 Book[] addBooks = new Book[20];
37
38 for(int a=0; a<10; a++){
39 addBooks[a] = new Book();
40 }
41
42 for(int a=0; a<10; a++){
43
44 System.out.println("Enter ID:");
45 bkId = input.nextLine();
46
47 for(int b=0;b<addBooks.length;b++){
48 while(addBooks[b].id.equals(bkId)){
49 System.out.println("Duplicate ID");
50 System.out.println("Enter ID for books "+(a+1) + ":");
51 bkId = input.nextLine();
52 }
53 }
54
55 System.out.println("Enter Title:");
56 bkTitle = input.nextLine();
57
58 System.out.println("Enter Publisher:");
59 bkPublisher = input.nextLine();
60
61 System.out.println("Enter Author:");
62 bkAuthor = input.nextLine();
63
64 addBooks[a] = new Book(bkId,bkTitle,bkPublisher,bkAuthor);
65
66 }
67 case 2:
68 Megazine[] addMegazine = new Megazine[20];
69
70 for(int c=0; c<10; c++){
71 addMegazine[c] = new Megazine();
72 }
73
74 for(int c=0; c<10; c++){
75
76 System.out.println("Enter ID:");
77 mgId = input.nextLine();
78
79 for(int d=0;d<addMegazine.length;d++){
80 while(addMegazine[d].id.equals(mgId)){
81 System.out.println("Duplicate ID");
82 System.out.println("Enter ID for megazine "+(c+1) + ":");
83 mgId = input.nextLine();
84 }
85 }
86
87 System.out.println("Enter Title:");
89 mgTitle = input.nextLine();
90
91 System.out.println("Enter Publisher:");
92 mgPublisher = input.nextLine();
93
94 System.out.println("Enter Date:");
95 mgDate1 = input.nextLine();
96
97 addMegazine[c] = new Megazine(mgId,mgTitle,mgPublisher,mgDate1);
98
99 }
100 case 3:
101 Newspaper[] addNews = new Newspaper[20];
102
103 for(int e=0; e<10; e++){
104 addNews[e] = new Newspaper();
105 }
106
107 for(int e=0; e<10; e++){
108
109 System.out.println("Enter ID:");
110 npId = input.nextLine();
111
112 for(int f=0;f<addNews.length;f++){
113 while(addNews[f].id.equals(npId)){
114 System.out.println("Duplicate ID");
115 System.out.println("Enter ID for newspaper "+(e+1) + ":");
116 npId = input.nextLine();
117 }
118 }
119
120 System.out.println("Enter Title:");
121 npTitle = input.nextLine();
122
123 System.out.println("Enter Publisher:");
124 npPublisher = input.nextLine();
125
126 System.out.println("Enter Date:");
127 npDate2 = input.nextLine();
128
129 addNews[e] = new Newspaper(npId,npTitle,npPublisher,npDate2);
130
131 }
132 default:
133 System.out.println("Invalid");
134 break;
135 }
136 case 2:
137 System.out.println("\n1.Display Book\n2.Display Megazine\n3.Display Newspaper");
138 displayItem = input.nextInt();
139
140 switch(displayItem){
141 case 1:
142 for(int b=0;b<addBooks.length;b++){
143 System.out.println("\nBook Details" + (1+b) + "Book ID: " + addBooks[b].getId() + "\nBook Title: " addBooks[b].getTitle() +
144 "\nBook Publisher: " + addBooks[b].getPublisher() + "\nBook Author: " + addBooks[b].getAuthor());
145 }
146 break;
147 case 2:
148 for(int mg=0;mg<addMegazine.length;mg++){
149 System.out.println("\nMegazine Details" + (1+mg) + "Megazine ID: " + addMegazine[mg].getId() + "\nMegazineTitle: "addMegazine [mg].getTitle() +
150 "\nMegazine Publisher: " + addMegazine[mg].getPublisher() + "\nMegazine Date: " + addMegazine[mg].getDate1());
151 }
152 break;
153 case 3:
154 for(int np=0;np<addNews.length;np++){
155 System.out.println("\nNewspaper Details" + (1+np) + "Newspaper ID: " + addNews[np].getId() + "\nNewspaper Title: " addNews[np].getTitle() +
156 "\nNewspaper Publisher: " + addNews[np].getPublisher() + "\nNewspaper Date: " + addNews[np].getDate2());
157 }
158 break;
159 default:
160 System.out.println("Invalid");
161 break;
162 }
163 default:
164 System.out.println("Invalid");
165 break;
166 }
167 }
168 }



ps.asap

[DarrylBurke]

You were told about the code tags in your last thread: Exception in thread "main" java.lang.NullPointerException

I'm closing this thread. Feel free to start another, with properly formatted code that isn't cluttered with line numbers. Before you do, please go through the Forum Rules -- particularly the third paragraph.

db

THREAD CLOSED