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Groups > comp.lang.java.programmer > #35400
| From | Arne Vajhøj <arne@vajhoej.dk> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: What happens when format gets a wrong argument |
| Date | 2016-08-18 19:21 -0400 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <np5fub$ai1$2@gioia.aioe.org> (permalink) |
| References | <87eg5lkd05.fsf@Equus.decebal.nl> <np59f7$vj5$1@dont-email.me> |
On 8/18/2016 5:31 PM, Eric Sosman wrote: > On 8/18/2016 5:01 PM, Cecil Westerhof wrote: >> I had a function in ScheduledExecutorService where I changed a >> parameter for format from long to double, but I forgot to change the >> format string. The result was that the function gets an unchecked >> IllegalFormatConversionException and silently terminated on the format >> statement. Is this normal? And where do I find a good description >> about this? > > It's normal. Java's printf-inspired format strings are not quite > as good as C's, because C compilers (by and large) are able to sanity- > check the formats at compile time while JavaC doesn't (yet, anyhow). The C way is extremely practical/useful. But it is a bit mixing compiler and library responsibility. It must be a hardcoded special case in the compiler. Arne
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What happens when format gets a wrong argument Cecil Westerhof <Cecil@decebal.nl> - 2016-08-18 23:01 +0200
Re: What happens when format gets a wrong argument Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-08-18 17:31 -0400
Re: What happens when format gets a wrong argument Arne Vajhøj <arne@vajhoej.dk> - 2016-08-18 19:21 -0400
Re: What happens when format gets a wrong argument Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-08-19 08:22 -0400
Re: What happens when format gets a wrong argument Gene Wirchenko <genew@telus.net> - 2016-08-19 10:40 -0700
Re: What happens when format gets a wrong argument Arne Vajhøj <arne@vajhoej.dk> - 2016-08-19 20:19 -0400
Re: What happens when format gets a wrong argument Cecil Westerhof <Cecil@decebal.nl> - 2016-08-19 01:25 +0200
Re: What happens when format gets a wrong argument Arne Vajhøj <arne@vajhoej.dk> - 2016-08-18 19:31 -0400
Re: What happens when format gets a wrong argument Arne Vajhøj <arne@vajhoej.dk> - 2016-08-18 19:35 -0400
Re: What happens when format gets a wrong argument Cecil Westerhof <Cecil@decebal.nl> - 2016-08-19 07:23 +0200
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