How does this code work

Question

These are two same codes written in java nd cpp respectively. One works fine the other generates error. Please explain its working

https://code.sololearn.com/cTSN37AqLxXt/?ref=app

https://code.sololearn.com/cgHjO54brV9q/?ref=app

Answer 1

It's because java cannot handle these values. C++ just fills it with a 0

Answer 2

You need initiliaze your java field first int a = .....;

Answer 3

QUite tricky

Answer 4

Dwi Novianto Nugroho but how still it works in cpp is it a specific characteristic of cpp