Need Robust Software?
Make It Fragile

@yegor256
Yegor Bugayenko

“Robustness is the ability to
continue operating despite
abnormalities”
— Wikipedia

public int size(File file) {
if (!file.exists()) {
return 0;
}
return file.length();
}

public int size(File file) {
if (!file.exists()) {
throw new Exception(
"file doesn’t exist"
);
}
return file.length();
}

Fail Safe
vs
Fail Fast

try {
// something may go wrong
} catch (Exception ex) {
ex.printStackTrace();
}
// keep going...

concealing
vs
revealing

size()

size()

size()

size()

tolerance
vs
arrogance

size()

“Robustness is the ability to
continue operating despite
abnormalities”

surviving
vs
operating

What do you
think?
@yegor256
Yegor Bugayenko
www.yegor256.com