java基本数据类型

char size = 16
char min = 0
char max = 65535
char default = 0
byte size = 8
byte min = -128
byte max = 127
byte default = 0
short size = 16
short min = -32768
short max = 32767
short default = 0
int size = 32
int min = -2147483648
int max = 2147483647
int default = 0
long size = 64
long min = -9223372036854775808
long max = 9223372036854775807
long default = 0
float size = 32
float min = 1.4E-45
float max = 3.4028235E38
float default = 0.0
double size = 64
double min = 4.9E-324
double max = 1.7976931348623157E308
double default = 0.0
max int = 2147483647
max int to short = -1
max int to long = 2147483647
max int to float = 2.14748365E9
max int to double + 2.147483647E9
max int = 2147483647
max int + 1 = -2147483648
min int = -2147483648
min int - 1 = 2147483647
max double = 1.7976931348623157E308
max double + max double = Infinity
- max double = -1.7976931348623157E308
- max double - max double = -Infinity
boolean value = true
int i/j = 1
double i/j = 1.0
double (double)i/j = 1.2
double i*1.0/j = 1.2

java基本数据类型

原文：https://www.cnblogs.com/jinyuanit/p/11910113.html