File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
The moose likes Beginning Java and the fly likes Compilation error in IF statement Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login

Win a copy of Make it so: Java DB Connections & Transactions this week in the JDBC forum!
JavaRanch » Java Forums » Java » Beginning Java
Bookmark "Compilation error in IF statement" Watch "Compilation error in IF statement" New topic

Compilation error in IF statement

Satya Maheshwari
Ranch Hand

Joined: Jan 01, 2007
Posts: 368
I am getting compilation error in one of the 2 IF statements which I consider equivalent.

What am I missing here
[ October 24, 2008: Message edited by: Satya Maheshwari ]

Thanks and Regards
Rob Spoor

Joined: Oct 27, 2005
Posts: 20197

An if-statement, and also all others like for, while etc, require a statement. Now "int b = 10;" is not a statement, it's a declaration. Using braces will work: it wraps all code inside the braces into one larger compound statement. And compound statements can have declarations.

How To Ask Questions How To Answer Questions
Satya Maheshwari
Ranch Hand

Joined: Jan 01, 2007
Posts: 368
Thanks Rob!!
fred rosenberger
lowercase baba

Joined: Oct 02, 2003
Posts: 11924

remember, though, that if you do this, the variable 'b' will not be usable outside the block:

I don't know exactly how you will be using it, but you might want to consider this instead:

There are only two hard things in computer science: cache invalidation, naming things, and off-by-one errors
I agree. Here's the link:
subject: Compilation error in IF statement
It's not a secret anymore!