Can use different syntax to achieve exactly the same content,
Some obsolete syntax, however, have a plenty of new standards, have a plenty of that can be used at the same time,

More difficult is grammar and exceptions, exception syntax, use other format
Learn the grammar alone, no one can not learn for a year or two, learning is not all, of every three to five years each decade eight years all dare not say completely got the control,

CodePudding user response:

Speak like Java and python is not the problem