자바 영문 메시지1

The "standard" input stream. This stream is alreadyopen and 
ready to supply input data. Typically this streamcorresponds
to keyboard input or another input source specified bythe 
host environment or user.

The "standard" input stream. This stream is alreadyopen and ready to supply input data. Typically this streamcorresponds to keyboard input or another input source specified bythe host environment or user.