Basic Data Types of Java, Java Data Types

Basic Data Types of Java, Java Data Types

Java has eight basic data types:

Integer

Byte 1-byte 8-bit

Short 2-byte 16-bit

Int 4-byte 32-bit

Long 8-byte 64-bit

In hibernate automatic ing, the corresponding type of packaging class is selected based on the number length to save space.

Floating Point Type

Float 4 bytes

Double 8 bytes

Float and double can be distinguished by adding f, F, d, and D after the value.

Character Type

Char 2 bytes

You can store Chinese characters. Each character corresponds to a number in the unicode table.

Boolean

Boolean