Java basic data types, modifiers, operators

Data type:

Basic data types
Integer type
byte,8 bit
short,16 bit
int,32 bit I
Long,64 bit
Floating-point types
Float, single-precision, 32-bit
Double, dual, 64-bit
Boolean type
Boolean, Value Ture/false
Character type
char,16 bit, can store any character

Reference data type
Class
Interface
Array

Binary and decimal conversions, inverse complement

operator
Arithmetic Monocular:--+ + binocular +-*/% three mesh a>b? Ture:false
Relationship: = = = = > < <= >=
Bitwise arithmetic & (with) ~ (non) | (or) XOR (^) logical operation with (&&) non (!) or (| | ）

if () {System.out.println (); }false{System.out.println ();}

Java basic data types, modifiers, operators