JAVA中常用數(shù)據(jù)類型轉(zhuǎn)換函數(shù)
雖然都能在JAVA API中找到，整理一下做個備份。

string -> byte
Byte static byte parseByte(String s)

byte -> string
Byte static String toString(byte b)

char -> string
Character static String to String (char c)

string -> Short
Short static Short parseShort(String s)

Short -> String
Short static String toString(Short s)

String -> Integer
Integer static int parseInt(String s)

Integer -> String
Integer static String tostring(int i)

String -> Long
Long static long parseLong(String s)

Long -> String
Long static String toString(Long i)

String -> Float
Float static float parseFloat(String s)

Float -> String
Float static String toString(float f)

String -> Double
Double static double parseDouble(String s)

Double -> String
Double static String toString(Double d)