I’ve seen some people who code like this

as always, c++ lets us do better in breathtakingly elegant fashion:

#\
i\
n\
c\
l\
u\
d\
e\
 \ 
<\
i\
o\
s\
t\
r\
e\
a\
m\
>

finishing out hello world is left as an exercise to the reader, but the advantages and superior performance of this format should be obvious

why not

…

System
.out
.println(
"Hello,

…

?