Re: Itchy problem
Ravi wrote:
public static void main(String args[]) {
FileOutputStream f;
try {
f = new FileOutputStream("test");
} catch (FileNotFoundException fe) {
System.out.println(fe);
System.exit(1);
}
DataOutputStream d = new DataOutputStream(f);
try {
d.writeDouble(7.6d);
d.writeFloat(90.9f);
d.writeChars("Ravi");
d.close();
f.close();
} catch (IOException ioe) {
System.out.println(ioe);
System.exit(2);
}
}
[...]
DataIO.java:12: variable f might not have been initialized
DataOutputStream d = new DataOutputStream(f);
Hmmm, is that an error or just a warning? If it's the latter, I'd ignore it.
Other than that, don't wrap every little piece of code in a try/catch
clause. Rather, use a single one for the whole code. Looking at your code,
your two catch clauses don't even do anything different, making it even
easier. The mentioned problem about not closing 'f' or 'd' does exist
though, and is probably easiest resolved using a finally() clause.
Disclaimer: my knowledge of Java exceptions is rather small, I'm
extrapolating from hearsay and a strong C++ background here, so don't
blindly believe the above.
Uli
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