diff options
Diffstat (limited to 'java/demo/Freeze/library/Parser.java')
| -rw-r--r-- | java/demo/Freeze/library/Parser.java | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/java/demo/Freeze/library/Parser.java b/java/demo/Freeze/library/Parser.java index 1db42caea07..f5b073fa387 100644 --- a/java/demo/Freeze/library/Parser.java +++ b/java/demo/Freeze/library/Parser.java @@ -135,7 +135,7 @@ class Parser void nextFoundBook() { - if(_current != _foundBooks.length) + if(_foundBooks != null && _current != _foundBooks.length) { ++_current; } @@ -147,7 +147,7 @@ class Parser { try { - if(_current != _foundBooks.length) + if(_foundBooks != null && _current != _foundBooks.length) { BookDescription desc = _foundBooks[_current].getBookDescription(); String renter = null; @@ -194,7 +194,7 @@ class Parser try { - if(_current != _foundBooks.length) + if(_foundBooks != null && _current != _foundBooks.length) { _foundBooks[_current].rentBook((String)args.get(0)); System.out.println("the book is now rented by `" + (String)args.get(0) + "'"); @@ -223,7 +223,7 @@ class Parser { try { - if(_current != _foundBooks.length) + if(_foundBooks != null && _current != _foundBooks.length) { _foundBooks[_current].returnBook(); System.out.println( "the book has been returned."); @@ -252,7 +252,7 @@ class Parser { try { - if(_current != _foundBooks.length) + if(_foundBooks != null && _current != _foundBooks.length) { _foundBooks[_current].destroy(); System.out.println("removed current book" ); |