Print a Boolean Variety

Question

Different languages print different results of a boolean variety
For example, in C++

https://code.sololearn.com/cSsZWUEv1Xdo/?ref=app
Print: 1

while in Java

https://code.sololearn.com/cMybpT1Wv1KK/?ref=app
Print true

Can anyone explain why? Thank you.

Answer 1

check this:
https://en.cppreference.com/w/cpp/io/manip/boolalpha