java常用类型转换

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)


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