Basic Java syntax (2)

1、 Strongly typed language

2、 Data type classification

1. Basic data type

Integer type

Memory space occupied by four types:

matters needing attention:

Integer representation:

Character type

Character expression:

Floating point type

Memory space occupied by two types:

matters needing attention:

Critical Infinity:

Boolean type

2. Reference data type

3、 Basic type conversion

Cast type

4、 Automatic promotion of expression types

The content of this article comes from the network collection of netizens. It is used as a learning reference. The copyright belongs to the original author.
THE END
分享
二维码
< <上一篇
下一篇>>